Optical waveguides inventions 05/07

20070122072 - Optical modulator: An optical modulator is provided. The optical modulator includes a thin plate made of an electrooptic material and having a thickness of 20 μm or less, an optical waveguide formed on a top or bottom surface of the thin plate, and a modulation electrode formed on the top surface of... Agent: Chapman And Cutler

20070122073 - Method for the production of electrooptical printed circuit boards comprising polysiloxane wave guides and use thereof: The invention relates to the production of an electrooptical printed circuit board (EOLP) and to the use thereof. The optical layer in the printed circuit board is made of highly transparent and soldering bath-resistant polysiloxane wave guides. The polysiloxane wave guides are produced according to casting techniques, and the ends... Agent: William Collard Collard & Roe, P.C.

20070122074 - Mems switch: A MEMS (micro electro mechanical system) switch, which includes a substrate; a fixed electrode formed on an upper side of the substrate; a signal line formed on both sides of the fixed electrode; a contact member formed on an upper side of the signal line at a distance from said... Agent: Sughrue Mion, PLLC

20070122075 - Regulated low power control system for electrostatic actuators: The invention concerns a control system for a servomechanism comprising a control member that can move between first and second positions defining a variable electric quantity respectively between a minimum quantity and a maximum quantity, characterized in that the control system further comprises low voltage powering means, voltage increase means... Agent: Griffin & Szipl, PC

20070122076 - Multi-input optical switch: A multi-input optical switch can include a base plate that carries at least one photo sensor and multiple LEDs which are arranged at positions separated by approximately the same angular interval. A first mask can be formed in an approximately cylindrical shape and can include multiple through holes. A second... Agent: Cermak & Kenealy, LLP

20070122077 - Low drift planar waveguide grating sensor and method for manufacturing same: A planar waveguide grating (PWG) sensor is described herein which exhibits a low signal drift and an enhanced sensitivity due to the use of a fully dense silicon-rich nitride surface layer. In the preferred embodiment, the silicon rich silicon nitride surface layer has a composition which includes Si and N,... Agent: Corning Incorporated

20070122079 - Coupling device for a light guide: A device for coupling beam guides of optical systems for unidirectional or bidirectional transmission of beams via a beam transition between the optical systems is provided, the device having a connecting device and mechanical centering means. The connecting device provides a magnetic coupling for implementing a coupling connection in a... Agent: Kenyon & Kenyon LLP

20070122078 - System and method for detecting solid components of ground glass nodules in pulmonary computed tomography images: A method for detecting solid components in ground glass nodules (GGNs) in medical images, includes: performing an intensity-based segmentation on a segmented GGN to identify a high intensity region; and performing a shape analysis to determine whether the high intensity region is a solid component or a vessel, wherein the... Agent: Siemens Corporation Intellectual Property Department

20070122080 - Optical directional coupler: An optical directional coupler (1) comprises first and second straight optical waveguides (2, 3) having respective cores (2a, 3a) extending longitudinally close to each other to form an optical coupler portion, and a tapered optical waveguide (4) having a core (4a) connected to the core (2a) of the first straight... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070122081 - Improved waveguide structure: An improved waveguide structure employing blocks of waveguide core material positioned sufficiently close to a waveguide core thereby eliminating strain effects and its resulting undesirable polarization crosstalk. The improved structures are applicable to a variety of optical components including bent waveguides, directional and star couplers.... Agent: Brosemer, Kolefas & Associates, LLC - (lucent)

20070122082 - Dispersion compensation apparatus: A dispersion compensation apparatus providing both coarse and fine dispersion compensation employing a pair of slab waveguides, a grating interconnecting the two waveguides, a mirror disposed within the second slab waveguide and one or more thermooptic lense(s), positioned between the mirror and the grating.... Agent: Brosemer, Kolefas & Associates, LLC - (lucent)

20070122083 - Optical fuse and component for fabricating optical fuse: Disclosed are an optical fuse and a device for fabricating such an optical fuse. The optical fuse comprises a medium constituting a structure in which a light-emitting end of a first optical waveguide is coupled to a light-incident end of a second optical waveguide across the medium, and a light-absorbing... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070122084 - Universal coupling of small core optical fiber to large laser foci: It is often desirable to efficiently couple laser foci that are dimensionally large to dimensionally small optical fibers. A fiber fused in a lower refractive index fiber is disclosed. The fiber/ferrule construct is characterized by having no taper of the fiber in the ferrule and a negative lens shape at... Agent: The Halvorson Law Firm

20070122085 - Optical fiber array and manufacturing method thereof: The present invention provides a high-density and high-precision optical fiber array which can stably be manufactured with excellent operability and which can maintain excellent characteristics while suppressing insertion loss with respect to optical parts by optimizing constituent parts of the high-density optical fiber array. The present invention also provides a... Agent: Carlson, Gaskey & Olds, P.C.

20070122086 - Optical fiber signal converter: The present invention provides a fiber optic signal converter that includes a fiber optic transceiver for transforming the optical signal transmitted in an optical fiber to an electrical signal transmitted to a computer, a PHY IC for transforming the signal to an MII signal or a GMII signal, MAC/USB controller... Agent: Birch Stewart Kolasch & Birch

20070122087 - Optical bus: An optical bus. Optical sub-assemblies are used to connect lengths of optical fiber to form a single optical fiber that is a bus. A master transceiver may be connected to one end of the fiber and nodes can be connected to the optical sub-assemblies. Each optical sub-assembly includes a center... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070122088 - Photoelectric composite connector and substrate using the same: A photoelectric composite connector comprises a first connector unit which is connected to optical transmission means and a second connector unit which can be attached to and detached from a first connector unit freely. The first connector unit comprises a photoelectric conversion module and an electrical connector section having a... Agent: Cohen, Pontani, Lieberman & Pavane

20070122090 - Connection terminal and connection apparatus for electronic components: A connection terminal that can be brought into stable one-point contact with an electrode and that allows for a smooth connecting operation, even in the case of small contact pads or other such electrodes for establishing electrical contact. A socket contact as the connection terminal is provided to an electronic-component... Agent: Nath & Associates

20070122089 - Optical assembly having fiber-abutting block: The optical assembly of the present invention suppresses the reflection occurred at the end face of the external fiber, which makes it simple to control the pressure of the glass block with a simplified shape and easily processed at the fitting into the housing. The optical assembly includes the sleeve... Agent: Smith, Gambrell & Russell

20070122091 - Optical fiber connector body with mutually coaxial and inclined cores, optical connector for forming the same, and mode conditioner and optical transmitter using the same: An optical fiber connected body including a first optical fiber having a core and a clad, and a second optical fiber having a core and a clad, with its end connected optically to an end of the first optical fiber, in which the core center of the first optical fiber... Agent: Hogan & Hartson L.L.P.

20070122093 - Optical fiber ribbon with improved stripability: An optical fiber ribbon includes a plurality of optical fibers encapsulated within a matrix material, where the optical fiber coating(s) and the matrix material(s), and optionally any ink layers thereon, are characterized by compatible chemical and/or physical properties, whereby the fiber coating and matrix and any ink layers therebetween can... Agent: Corning Incorporated

20070122094 - Optical fiber ribbon with improved stripability: An optical fiber ribbon includes a plurality of optical fibers encapsulated within a matrix material, where the optical fiber coating(s) and the matrix material(s), and optionally any ink layers thereon, are characterized by compatible chemical and/or physical properties, whereby the fiber coating and matrix and any ink layers therebetween can... Agent: Corning Incorporated

20070122092 - Optical fiber with polymeric coating crosslinked in the presence of both radical and cationic photoinitiators: Optical fiber has a glass portion and at least one coating of crosslinked polymer material surrounding the glass portion, the coating being obtained by crosslinking a composition of (a) at least one radically crosslinkable oligomer containing at least two reactive functional groups and having a number average molecular weight lower... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070122095 - Splicing and connectorization of photonic crystal fibers: A method of coupling a spliceable optical fibre for transmission of light in its longitudinal direction to an optical component, the method comprising (A) providing the spliceable optical fibre, said spliceable optical fibre comprising: (a) a core region; and (b) a microstructured cladding region, said cladding region surrounding said core... Agent: Buchanan, Ingersoll & Rooney PC

20070122096 - Photonic crystal fibers and medical systems including photonic crystal fibers: In general, in one aspect, the invention features methods that include directing radiation to a target location of a patient through a photonic crystal fiber, the photonic crystal fiber having a hollow core and flowing a fluid through the hollow core to the target location of the patient.... Agent: Fish & Richardson PC

20070122097 - Low loss hollow core optical waveguide: An optical waveguide is constructed so as to comprise a non-solid core surrounded by a solid-state material. The non-solid core has an index of refraction which is lower than the index of refraction of the surrounding solid state material, and light can be transmitted with a low loss through the... Agent: Woodcock Washburn LLP

20070122098 - Composite structure with embedded optical fiber and a process for its repair: The invention relates to a composite structure (11) formed by a plurality of layers (13, 15, 17, 19, 21, 23) including an optical fiber (25) for structural monitoring purposes which is at least partly embedded in said structure (11), incorporating a protective cover (27) in those areas of its embedded... Agent: Ladas & Parry

20070122099 - Composite structure with optical fiber embedded in one of its surface layers and a process for its connection and repair: The invention relates to a composite structure (11) formed by a plurality of layers (13, 15, 17, 19, 21, 23) including an optical fiber (25) for structural monitoring purposes which is at least partly embedded in a surface layer (13) of said structure (11), and insulation means of the optical... Agent: Ladas & Parry

20070122100 - Slack storage system: A slack cable storage system is provided which stores slack cable under a fiber access terminal or pedestal and provides support for the terminal or pedestal. The slack cable is thus stored under the terminal and is available for splicing or restoration of service. The cable entry to the terminal... Agent: Davis, Brown, Koehn, Shors & Roberts, P.C.

20070122101 - Nanocomposites: This invention provides composite materials comprising nanostructures (e.g., nanowires, branched nanowires, nanotetrapods, nanocrystals, and nanoparticles). Methods and compositions for making such nanocomposites are also provided, as are articles comprising such composites. Waveguides and light concentrators comprising nanostructures (not necessarily as part of a nanocomposite) are additional features of the invention.... Agent: Quine Intellectual Property Law Group, P.C.

20070122102 - Polyimide optical waveguides and method for the preparation thereof: An optical waveguide has a core layer made by a film containing a cross-linked polyamide based on a repeating unit of general formula (I) and a method for the production thereof.... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070122103 - White light-emitting device using fluorescent fiber: A white light-emitting device using a fluorescent fiber includes a blue semiconductor light-emitting element (2) for emitting an excitation light (a), and an optical fiber (3) having one side end face and the other side end face, the excitation light (a) emitted from the blue semiconductor light-emitting element (2) being... Agent: Barnes & Thornburg LLP

20070122104 - Method of preventing hydrogen darkening of optic fibre: A method of preventing hydrogen darkening of optic fibre, which includes a step of providing a protective barrier of hydrogen free flowing gas around the optic fibre, such that the flowing gas sweeps away hydrogen.... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070116398 - High speed and low loss gesi/si electro-absorption light modulator and method of fabrication using selective growth: An optoelectronic device includes an input waveguide structure that receives an input optical signal. A GeSi/Si waveguide structure receives from the input waveguide the input optical signal and performs selective optoelectronic operations on the input optical signal. The GeSi/Si waveguide structure outputs an optical or electrical output signal associated with... Agent: Gauthier & Connors, LLP

20070116399 - Optical element, manufacturing method of the optical element and driving method of the same: A clad having material showing a magnetic resistance effect is formed on a substrate and a PLZT core is formed on the clad. The core is patterned in a Y shape and an input side optical waveguide and output side optical waveguides are formed of the clad and the core.... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070116403 - Embedded system for diagnostics and prognostics of conduits: A set of sensors to be used with an apparatus providing a means for assessment of the integrity of insulated conduits, harnesses, cables, pipelines and other interconnection systems constructed with integral sensitized media, discrete sensors, and electronics providing a means for transforming sensed data into information and a means for... Agent: Mr. Kenneth G. Blemel

20070116402 - Humidity sensor and method for monitoring moisture in concrete: A humidity sensor and method is disclosed. The sensor is configured as an optical fiber based sensor and may be useful in obtaining moisture information, such as humidity and/or relative humidity (RH) in curing concrete. The sensor may be configured to isolate the sensor from external mechanical stresses, chemical reactions... Agent: Wolf Greenfield & Sacks, PC

20070116400 - Method of high order mode excitation for multimode intrusion detection: Intrusion detection for a multimode fiber optic cable uses a light signal launched into the fiber through the low ratio leg of a tap coupler to establish a narrow spectral width, under-filled non-uniform mode field power distribution in the cable. A small portion of the higher order signal modes at... Agent: Ade & Company Inc.

20070116401 - Method, system and module for monitoring a power generating system: A sensing module positioned about an optical fiber cable having a long axis. The optical fiber includes a core that transmits light through the optical fiber cable. The sensing module includes a first short-period fiber grating positioned about the core. A second short-period fiber grating is positioned about the core... Agent: General Electric Company Global Research

20070116404 - Method and apparatus for controlling optical switch: A response-time storing unit stores a response time from start of output of driving force required for switching paths until stabilization of the driving force, for each of the paths to be connected. A driving-force correcting unit corrects output level of the driving force, starting correction of the output level... Agent: Staas & Halsey LLP

20070116405 - Optical-radiation projection: This projection method and apparatus use laser illumination, beam steering with a microelectromechanical-system (“MEMS”) mirror or array, and an afocal lens to magnify the MEMS deflections. In some preferred forms of the invention a beam splitter—preferably of polarization type—cooperates with a quarter-wave plate to transmit the radiation beam in one... Agent: Peter I. Lippman

20070116406 - Switch: A switch includes multiple torsion springs with each of one ends thereof secured to a substrate, a beam portion, to which each of the other ends of the multiple torsion springs is secured, and which is swung by an electrostatic actuator, and a switch contact portion in which a first... Agent: Arent Fox PLLC

20070116407 - High speed comparator: The invention relates to a comparator with a constant duty cycle for high frequency data signals. Such comparators are often part of an integrated circuit and particularly useful in the mobile phone technology. To achieve the desired constant duty cycle for high frequency data signals, the comparator according to the... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20070116408 - Optical imaging probe connector: This document discusses, among other things, a connector for an optical imaging probe that includes one or more optical fibers communicating light along the catheter. The device may use multiple sections for simpler manufacturing and ease of assembly during a medical procedure. Light energy to and from a distal minimally-invasive... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070116409 - Integrated gradient index lenses: Gradient index lenses are described that are integrated within a planar optical structure. The gradient index lens is optically coupled to a planar optical waveguide. In some embodiments, the gradient index lens with variation in index-of-refraction n one dimension is within an optical fiber. The optical fiber includes cladding at... Agent: Dardi & Associates, PLLC Suite 2000

20070116410 - Photonic device and method for making same: A monolithic device for photonically coupling a first optical waveguide to a second optical waveguide, including: an input being optically coupled to the first waveguide; a first portion being optically coupled to the input; a second portion being optically coupled to the first portion; and, an output being optically coupled... Agent: Patent Docket Administrator Lowenstein Sandler P.C.

20070116411 - Transceiver/fiber optic connector adaptor with patch cord id reading capability: The device includes a first optical connector, a second optical connector, a flexible substrate, a first electrical connector, a second electrical connector, a memory chip, and a clip. The first electrical connector is attached to the flexible substrate. The second electrical connector is attached to the flexible substrate. The memory... Agent: Stratos International, Inc.

20070116412 - Rugged mt-mt connector: The device includes a housing having a recess, and a cantilever spring. The recess accommodates a ferrule. When a force is applied to a mating end of the ferrule, the cantilever spring reacts the force.... Agent: Karl D. Kovach Senior Patent Attorney

20070116413 - Fiber optic closure methods and apparatus: A multiport includes a multiport housing top piece, and a multiport housing bottom piece welded to the housing top piece. Alternatively, a method for fabricating a multiport includes providing a multiport housing top piece, providing a multiport housing bottom piece, and welding the housing top piece to the housing bottom... Agent: Corning Cable Systems LLC

20070116414 - Versatile system for configurable hybrid fiber-optic/electrical connectors: A system for providing a configurable hybrid electrical/optical connector assembly is disclosed. The system provides a connector housing, having a channel through which some connection between transmission elements is made. An insert cap is produced, securable to the housing within the channel. The insert cap has a plurality of universal... Agent: Docket Clerk

20070116415 - Configuration detection device for endoscope: A configuration detection device includes a light-providing optical fiber, a light reflector a curvature-detecting optical fiber, and a light modulator. The light-providing optical fiber transmits detection light in a plurality of wavelength ranges that have different wavelengths from one another, The light reflector reflects the detection light as reflected light.... Agent: Greenblum & Bernstein, P.L.C

20070116416 - High sbs threshold optical fiber with aluminium dopant: An optical fiber comprising a core having a refractive index profile and a centerline; and a cladding layer surrounding and directly adjacent the core; wherein core includes updoping material and is doped with Aluminum in at least one region of the core, such that either: (a) the average longitudinal acoustic... Agent: Corning Incorporated

20070116418 - Low attenuation non-zero dispersion shifted optical fiber: An optical waveguide fiber having a zero-dispersion wavelength less than 1450 nm, a dispersion slope at a wavelength of 1550 of less than 0.06 ps/nm2/km nm, and attenuation at a wavelength of 1550 nm less than 0.190 dB/km. Optical fibers are disclosed that exhibit an effective area at a wavelength... Agent: Corning Incorporated

20070116417 - Polarization-maintaining optical fiber and optical fiber gyro: A polarization-maintaining optical fiber comprises: a core; a pair of stress-applying parts disposed one at each side of the core; and a cladding which surrounds the core and the stress-applying parts; wherein when the polarization-maintaining optical fiber is used at a wavelength of 0.81 μm to 0.87 μm, a cut-off... Agent: Sughrue Mion, PLLC

20070116419 - Multiple-core planar optical waveguides and methods of fabrication and use thereof: A multiple-core optical waveguide comprises: a substrate; lower and upper waveguide core layers; a waveguide core between the upper and lower waveguide core layers; upper and lower cladding; and middle cladding between the upper and lower waveguide core layers substantially surrounding the waveguide core. Each of the lower, middle, and... Agent: Christie, Parker & Hale, LLP

20070116420 - Surface plasmon devices: A device including an input port configured to receive an input signal is described. The device also includes an output port and a structure, which structure includes a tunneling junction connected with the input port and the output port. The tunneling junction is configured in a way (i) which provides... Agent: Pritzkau Patent Group

20070116421 - Environmentally stable electro-optic device and method for making same: A method is provided for stabilizing an electro-optic substrate employed in a waveguide device. The method comprises cleaning a surface of the substrate, and exposing the device to a reactive oxide to passivate the surface. A layer of sealant is deposited on the substrate in a vacuum to seal the... Agent: Honeywell International Inc.

20070116422 - Photoresponsive polyimide based fiber: The present invention provides a novel method for functionalizing the surfaces (and interior) of nanotube like materials using a plasma source. These plasma-functionalized carbon nanotubes (CNTs) are useful for preparing a variety of different composite fibers having improved characteristics, such as conductivity and mechanical strength. The key innovation being pursued... Agent: The Halvorson Law Firm Ste 130

20070116423 - Arrays of optical elements and method of manufacturing same: The present application discloses arrays of optical elements and methods of manufacturing same. In one aspect, an array of optical elements has a lapped input aperture surface. In another aspect, a mechanically stable array of optical elements comprises an array of optical elements. Each optical element has a sidewall and... Agent: 3m Innovative Properties Company

20070116424 - Backlight module structure for led chip holder: The present invention provides a backlight module for the light emitting device (LED) chip holder. The backlight module includes a top guide-light board, a bottom guide-light board, a chip holder with an inclined plane thereon, and a light emitting diode chip. The one side of the top guide-light board and... Agent: Birch Stewart Kolasch & Birch

20070110353 - System and method for wavelength selective switching employing single-element gratings: A wavelength selective switch device is disclosed that includes an elongated signal communication path extending from a first end of the device to a second end of the device. The signal communication path extends through a plurality of regions of varying indices of refraction, and the plurality of regions includes... Agent: Gauthier & Connors, LLP

20070110354 - Method and apparatus for optical isolation in high power fiber-optic systems: Methods and apparatus for optical isolation in high peak power fiber-optic systems prevent damage to a facet within a fiber-optic isolator caused by back-reflected light from, for example, an optical amplifier. Preventing damage to the facet may include expanding a mode area of the back-reflected light and/or reducing a change... Agent: Carr & Ferrell LLP

20070110355 - Method for installing a double ended distributed sensing fiber optical assembly within a guide conduit: A method of installing a double ended distributed sensing optical fiber assembly within a guide conduit. The optical fiber sensing assembly has a first elongate section with a first proximal end and a first distal end, and a second elongate section with a second proximal end and a second distal... Agent: Shell Oil Company

20070110356 - Wavelength monitoring system: The present invention relates to a system for monitoring the wavelength of electromagnetic radiation including a plurality of waveguides (e.g. planar waveguides) assembled into a laminate structure and to an assembly incorporating the system together with a source of the electromagnetic radiation such as in a multiplexer (e.g. a dense... Agent: Everett D. Robinson Parsons Behle & Latimer

20070110360 - Dynamic power allocation in system for providing power over communication link: System and methodology for supplying power to a powered device (PD) over a communication link, such as an Ethernet link. The system has a power supply device that provides power to the PD, and a dynamic power allocation mechanism that dynamically modifies power allocated to the PD in accordance with... Agent: Mcdermott Will & Emery LLP

20070110357 - Integrated photonic amplifier and detector: An asymmetric twin waveguide (ATG) structure with an integrated amplifier and detector fabricated in a single active waveguide layer is disclosed. The structure comprises an active waveguide layer formed on a passive waveguide layer. The active and passive waveguides have different effective indices of refraction such that a first mode... Agent: Woodcock Washburn LLP

20070110359 - Photoelectronic device and production method of the same: A photoelectronic device providing design freedom and providing for the production of a variety of designs in small quantities. The device includes a light emitting element for emitting a light to be used as a clock signal, a semiconductor chip with light receiving portions, and an optical waveguide sheet having... Agent: Robert J. Depke Lewis T. Steadman

20070110358 - Planar mid-ir integrated microphotonics: A planar mid-infrared (mid-IR) integrated microphotonic platform includes at least one laser performing lasing functions. The at least one laser comprises chalcogenide glass. At least amplifier structure is coupled to the at least one laser for performing optical amplification. The at least amplifier structure comprises chalcogenide glass. At least one... Agent: Gauthier & Connors LLP

20070110361 - Wafer level integration of multiple optical elements: Integrated multiple optical elements may be formed by bonding substrates containing such optical elements together or by providing optical elements on either side of the wafer substrate. The wafer is subsequently diced to obtain the individual units themselves. The optical elements may be formed lithographically, directly, or using a lithographically... Agent: Digital Optics Corporation

20070110362 - Coherent optical detector and coherent communication system and method: An optical device is provided with first and second inputs. A first coupler coupled is coupled to the first input and produces at least a first and second output. A second coupler is coupled to the second input and produces at least a first and second output. A third coupler... Agent: Celight, Inc.

20070110363 - Optical system with optical waveguides: The present invention provides an optical system with waveguides, which comprises first, second and third optical input/output means (12, 14, 16), fourth and fifth multi-mode optical waveguides (20, 22) each capable of propagating light with plural propagation modes, and optical-filter mounting means (26) for mounting an optical filter (24) between... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070110364 - Image detection using multimode fiber amplifier: An image detection system includes a multimode fiber amplifier. The multimode fiber amplifier includes a core configured to receive an input image that includes a plurality of input beams spanning a range of incidence angles and to propagate at least some of the input beams as different ones of a... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20070110365 - Sensing coil assembly and method for attaching a sensing coil in a fiber optic gyroscope: A sensing coil assembly and method for attaching a sensing coil to a support structure are provided for a fiber optic gyroscope. The method comprises affixing a preformed adhesive to a mating surface of a mounting structure, and coupling an inner surface of the sensing coil to the mating surface... Agent: Honeywell International Inc.

20070110366 - Collimator and optical filter device using the same: It is a collimator adapted to convert divergent light beams outputted from an optical fiber bundle to parallel light beams through a collimator lens. A large diameter optical fiber is disposed between an optical fiber bundle, which is a bundle of a large number of multimode optical fibers and serves... Agent: Law Offices Whitham, Curtis & Christofferson, P.C.

20070110367 - Optical device incorporating a tilted bragg grating: The invention relates to an optical waveguide device for monitoring a characteristics of light, e.g. a wavelength. The device incorporates a waveguide, such as an optical fiber, with an embedded tilted Bragg grating operating in a regime of wavelength detuning. The grating is designed to disperse light azimuthally in two... Agent: Teitelbaum & Maclean

20070110368 - Package and optical module assembly: The present invention relates to a package for containing an optical module coupled to an optical fiber and to an optical module assembly combining them. A package (6) according to the present invention has a body (10) and a lid (12). The body has a bottom panel (14) for supporting... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070110369 - Optical junction apparatus and methods employing optical power transverse-transfer: An optical apparatus comprises an optical device fabricated on a substrate, an external-transfer optical waveguide fabricated on the substrate and/or on the optical device, and a transmission optical waveguide. The optical device and/or the external-transfer waveguide are adapted for and positioned for transfer of optical power therebetween (end-transfer or transverse-transfer).... Agent: Christie, Parker & Hale, LLP

20070110371 - Fiber optic connector and method: A fiber optic connector including a ferrule surrounding an optical fiber and a hub engaging the ferrule. The hub includes a front portion having first and second opposing surfaces and first and second tapered regions extending from the first and second opposing surfaces to a front face. A housing includes... Agent: Merchant & Gould PC

20070110370 - Fibre optic cable coupler: A fibre optic coupler assembly for optically aligning a sectioned fibre optic cable, the cable having a first end and a second end and comprising one or more fibre optic cores. The assembly comprises a first holder for holding the first end; a second holder for holding the second end... Agent: Pearl Cohen Zedek Latzer, LLP

20070110372 - Optoelectronic package: An optoelectronic package having passive optical components that are configured to reduce the amount of optical back reflection that reaches an optoelectronic device housed within the optoelectronic package. In one example, the optoelectronic package includes an optoelectronic device, a wave plate, and a linear polarizer. The optoelectronic device is configured... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070110374 - Intelligent pluggable optical transceiver: The present invention is to provide an intelligent pluggable transceiver improving an EMI tolerance with a simple mechanism. The optical transceiver of the invention comprises upper and lower housings (11, 12), a holder (81), optical assemblies (51, 61), a cover (14), a substrate (15) and a grip (13). The optical... Agent: Michael A. Makuch, Esq. Smith, Gambrell & Russell, LLP

20070110373 - Optical interface unit: In an exemplary embodiment of the present invention, an optical interface unit provides an interface between an optoelectronic device and industry standard MTP/MPO connectors. The optical interface unit axially aligns the core of a fiber with the optoelectronic device and interfaces that fiber to the standardized connector. In addition, the... Agent: Barlow, Josephs & Holmes, Ltd.

20070110375 - Tuneable optical amplifier or optical parametric oscillator: A parametric process is provided for producing visible light at a second wavelength including pumping an optical fibre (4) with input light (1) at a first wavelength of less than one micron, which is longer than the second wavelength, and wherein the optical fibre (4) has zero group velocity dispersion... Agent: Dann, Dorfman, Herrell & Skillman

20070110376 - Composite cable: A composite cable to be laid by being drawn or blown into a cable tube, which has at least two insulated copper wires (1, 2) which are stranded with one another, and at least one single-fiber optical waveguide (3, 4) and a cable sheath (5). The insulation of the copper... Agent: Sofer & Haroun LLP.

20070110377 - High air fraction photonic band gap fibers: A photonic band gap fiber and method of making thereof is provided. The fiber is made of a non-silica-based glass and has a longitudinal central opening, a microstructured region having a plurality of longitudinal surrounding openings, and a jacket. The air fill fraction of the microstructured region is at least... Agent: Naval Research Laboratory Associate Counsel (patents)

20070110378 - Light-emitting form exhibiting an aura: A light-emitting form comprises an elongated light guide illuminated by a light source (10a) such as an LED that sheds light into the end of the light guide. The light guide comprises a tubular light-transmitting container (30) consisting essentially of a substantially amorphous polymer, and an elongated light-transmitting core (20),... Agent: Elman Technology Law, P.C.

20070110379 - Pinch waveguide: A waveguide is provided including a first photon propagating material having a first index of refraction (n1) and having a pinch disposed therein, the pinch having a second index of refraction (n1′); and a second photon propagating material disposed in optical communication with the first photon propagating material and having... Agent: Wilmer Cutler Pickering Hale And Dorr LLP

20070110380 - Projection display-use screen and projection display system optical system: To realize a diffusion film in which arbitrary control of the diffuse light intensity distribution characteristics, and an angular range of diffusion does not change with respect to an incoming light from a specific angular range and a light-outgoing direction converting element that is high in efficiency of conversion of... Agent: Young & Thompson

20070110381 - Waveguide and device including the same: At least one exemplary embodiment is directed to a waveguide including a plurality of linear defects of a three-dimensional photonic crystal, the plurality of linear defects include a first defect formed by changing the medium of some of columnar structures to a medium different from that of the columnar structures... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070110382 - Waveguide and device including the same: At least one exemplary embodiment is directed to a waveguide, which includes a three-dimensional photonic crystal including a first linear defect and a second linear defect. The first linear defect is disposed at part of columnar structures and is formed of a medium different from the columnar structures. The second... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070110383 - Light integrator having two adhesives: A light handling device, tolerant of elevated heat and heating cycles, includes a plurality of separate walls bounding a surrounded area, the walls reflecting light transmitted through the bounded area. The device includes a first composition adhesive engaged with at least two of the walls for securing the two walls... Agent: Pearne & Gordon LLP

20070110384 - Drop cable with fiber optic connector and methods for fabricating same: A substantially flat fiber optic drop cable assembly comprises: a fiber optic connector comprising a fiber optic ferrule and a housing; a crimp body coupled to the housing of the fiber optic connector; a fiber optic cable comprising a pair of strength members disposed partially within the fiber optic cable;... Agent: Corning Cable Systems LLC

20070110385 - Cable strain relief design for limited space through-hole applications: A cable strain relief that includes an over-molded portion affixed to a cable and a flexible decorative boot. The decorative boot is passed through an opening in an enclosure. The cable is passed through a cylindrical space form in the decorative boot until the over-molded piece engages the walls of... Agent: Woodcock Washburn LLP (microsoft Corporation)

20070110387 - Advanced tactical display center: A display center for a weapons control system consisting of a frame including front leg rails, rear leg rails, side rail supports, a top plate, a rear cross-bracket, a bottom plate, a monitor area and a removable electronics box. The display center may include an upper monitor, a lower monitor... Agent: Ryan Stamper Naval Undersea Warfare Center, Division Keyport

20070110386 - Device having combined diffusing, collimating, and color mixing light control function: A light control device for a light source unit having a specific spatial intensity and/or spectral distribution is provided herein. The light control device is positioned on the path of the light from the light source unit and contains at least one of three light control functions, namely the diffusion,... Agent: Lin & Associates Intellectual Property

20070110388 - Method of making a fiber reinforced printed circuit board panel and a fiber reinforced panel made according to the method: A method of making a printed circuit board panel, a printed circuit board panel made according to the method, and a system incorporating a printed circuit board provided onto the panel. The printed circuit board panel has a panel top edge, a panel bottom edge parallel to the panel top... Agent: Intel Corporation C/o Intellevate, LLC

20070104406 - System for reading data stored on an information carrier: The invention relates to a system for reading data stored on an information carrier. The system comprises a waveguide (1203) which allows displacing laterally the different components in exploiting the reflection of the light beams between a first surface (1207) and a second surface (1208) of said wave guide (1203).... Agent: Philips Intellectual Property & Standards

20070104407 - Optical waveguide devices: It is provided an optical waveguide device in which the radius of curvature of a curved part of an optical waveguide can be lowered and the radiation loss of light in the curved part can be reduced. An optical waveguide device 2 has a ferroelectric optical waveguide substrate and an... Agent: Burr & Brown

20070104408 - Microfluidic detection device having reduced dispersion and method for making same: A microfluidic detection device provides reduced dispersion of axial concentration gradients in a flowing sample. The microfluidic detection device includes a cell body and a flow path through the cell body. The flow path has an inlet segment, an outlet segment, and a central segment, which forms a detection cell.... Agent: Eksigent Technologies, LLC C/o Sheldon Mak Rose & Anderson

20070104409 - Broadband wavelength multiplexing and demultiplexing filter and optical splitter with optical signal multiplexing and demultiplexing function: Two Mach-Zehnder optical interferometer circuits 13a and 13b are accurately point-symmetrically connected to each other to form a first point-symmetrically connected optical interferometer circuit 5 constituting a light input side circuit 1. Optical signals having a plurality of wavelengths are input to a light input terminal 17. A second point-symmetrically... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070104412 - Circuit board with optoelectronic component embedded therein: A circuit board structure with optoelectronic component embedded therein comprises a carrier board with at least two through openings; a first optoelectronic component and a second optoelectronic component disposed in the openings respectively, wherein a plurality of electrode pads and optical active areas are formed on the active surfaces of... Agent: Mr. Joseph A. Sawyer, Jr. Sawyer Law Group LLP

20070104410 - Integrated waveguide photodetector apparatus with matching propagation constants and related coupling methods: High-speed optoetectronic devices having a waveguide densely integrated with and efficiently coupled to a photodetector are fabricated utilizing methods generally compatible with CMOS processing techniques. In various implementations, the waveguide consists essentially of single-crystal silicon and the photodetector contains, or consists essentially of, epitaxially grown germanium or a silicon-germanium alloy... Agent: Goodwin Procter LLP Patent Administrator

20070104416 - Optical waveguide module, optical waveguide film and manufacturing method thereof: An optical waveguide module includes a light emitting element which outputs light, a light receiving element which monitors an output of the light emitting element, and an optical waveguide film having a waveguide core which has a notched portion having an optical path changing surface that changes an optical path... Agent: Oliff & Berridge, PLC

20070104414 - Optoelectric converting substrate: An optoelectric converting substrate includes a substrate, at least one honeycomb-shaped micro-structured optical waveguide embedded in the substrate and having two ends exposed through the substrate, a plurality of optoelectronic elements disposed on the substrate and coupled with the two ends of the honeycomb-shaped micro-structured optical waveguide, and a plurality... Agent: Birch Stewart Kolasch & Birch

20070104413 - Semiconductor device integrated with optoelectronic components: A semiconductor device integrated with optoelectronic components includes a carrier board with at least two openings; a first and a second optoelectronic component disposed in the openings respectively, each of them having an active surface and an opposite non-active surface, wherein the active surface has a plurality of electrode pads... Agent: Mr. Joseph A. Sawyer, Jr. Sawyer Law Group LLP

20070104415 - Stereoscopic display device: A stereoscopic display device is provided. The stereoscopic display device includes an optical waveguide member and a first main surface and a second main surface. The first and second main surfaces face each other. A first light path changing member is provided on at least one of the first and... Agent: Brinks Hofer Gilson & Lione

20070104411 - Vertically-integrated waveguide photodetector apparatus and related coupling methods: High-speed optoelectronic devices having a waveguide densely integrated with and efficiently coupled to a photodetector are fabricated utilizing methods generally compatible with CMOS processing techniques. In various implementations, the waveguide consists essentially of single-crystal silicon and the photodetector contains, or consists essentially of, epitaxially grown germanium or a silicon-germanium alloy... Agent: Goodwin Procter LLP Patent Administrator

20070104417 - Optically controlled optical-path-switching apparatus, and method of switching optical paths: An optical signal optical path switching method comprising steps of using a thermal lens based on a distribution of refractive index produced reversibly caused by temperature increase generated in an area of the light-absorbing layer film of thermal lens forming devices 1, 2 and 3, that has absorbed control light... Agent: Oliff & Berridge, PLC

20070104418 - Wavelength selective optical switch: A wavelength selective optical switch particularly usable as a programmable N×M optical switch in a multi-wavelength communication system. The switch uses a grating that separates multi-channel optical signals into a plurality of optical channels, and combines a plurality of optical channels into multi-channel optical signals. Programmable mirrors switch each optical... Agent: Knobbe Martens Olson & Bear LLP

20070104419 - Fiber tip fluid output device: A fiber tip fluid output device is provided for holding a fiber tip in an electromagnetic energy cutting apparatus and for directing water particles over a radiation delivery end of the fiber tip. The fiber tip fluid output device includes a generally cylindrical body having an outer surface, a proximal... Agent: Stout, Uxa, Buyan & Mullins LLP

20070104420 - Techniques for use of nanocavities to enhance quantum processing with photons and the zeno effect: Techniques are provided for placing atoms inside an appropriate nanocavity for enhancing two-photon absorption and quantum information processing based on the Zeno effect. Techniques for fabricating suitable nanocavities include: 1) a short length of optical fiber polished on the ends with the ends coated to form suitable mirrors; 2) a... Agent: The Johns Hopkins Universityapplied Physics Labora Office Of Patent Counsel

20070104421 - Wavelength selective device: The present invention relates to a device, method, array and use of the device for optical coupling. The device comprises first and second optical waveguides (13, 23) extending longitudinally with cores (14, 24) adapted to guide optical radiation (15), first resonator means, laterally surrounding the first waveguide, comprising first and... Agent: Birch Stewart Kolasch & Birch

20070104422 - Optical waveguide device and method of adjusting a transmission loss thereof: An optical waveguide device includes a plurality of optical waveguides propagating therethrough a signal beam, and a plurality of optical sub-waveguides connected to the plurality of optical waveguides respectively, applying an excessive loss to the signal beam by branching a partial beam of the signal beam. A dynamic range and... Agent: Sughrue Mion, PLLC

20070104423 - Z-axis alignment of an optoelectronic component using a spacer tool: A method of forming an optoelectronic package that employs a spacer tool system to properly align an optical component within the device is disclosed. The package includes a mounting surface, and an optical component positioned on the mounting surface at a predetermined distance from a reference point. The optical component... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070104424 - Substrate for optical fiber array and method for fabricating the same: An object of the present invention is to very accurately position and align a plurality of optical fibers in each groove of a substrate for an optical fiber array, without leading to inappropriate upsizing and complication of an apparatus and increase in cost To achieve the object, an optical-fiber aligning... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070104425 - Optical connector and fiber distribution unit: An optical connector for terminating an optical fiber comprises a housing configured to mate with a receptacle and a collar body disposed in the housing. The collar body includes a fiber stub disposed in a first portion of the collar body, the fiber stub including a first optical fiber mounted... Agent: 3m Innovative Properties Company

20070104426 - Bi-directional optical transceiver: A bi-directional optical transceiver includes: an optical fiber for transmitting and receiving first and second optical signals; a transmitter module for generating the first optical signal; a receiver module for detecting the second optical signal; a tap filter for splitting a portion of the first optical signal; a monitor module... Agent: Cha & Reiter, LLC

20070104427 - Light transceiver module: A light transceiver module is designed for electronic devices. It forms an electric connection with the electric connector of the electronic device. The light transceiver module contains a base, a light-emitting device for providing optical signals, a light-receiving device for receiving optical signals, and a main circuit board. The base... Agent: Rabin & Berdo, PC

20070104428 - Automated process for embedding optical fibers in fiberglass yarns: An automated process for embedding optical fiber in fiberglass yarn is presented. The process permits fabricating a spool in a single, automated step in a conventional yarn spooling apparatus.... Agent: Connolly Bove Lodge & Hutz LLP

20070104429 - Optical cable: An optical cable according to the present invention relates to an optical cable having a construction to enable reduction of a cable outer diameter, and/or improvement of contained efficiency of coated optical fibers while an increase of transmission loss in each coated optical fiber is suppressed. The optical cable has... Agent: Mcdermott Will & Emery LLP

20070104431 - Multi-segment photonic-crystal-rod waveguides for amplification of high-power pulsed optical radiation and associated method: A method and apparatus use a photonic-crystal fiber having a very large core while maintaining a single transverse mode. In some fiber lasers and amplifiers having large cores problems exist related to energy being generated at multiple-modes (i.e., polygamy), and of mode hopping (i.e., promiscuity) due to limited control of... Agent: Lemaire Patent Law Firm, P.l.l.c.

20070104430 - Optical fiber devices using component insertion: The present invention provides an optical fiber device that takes advantage of the fiber structure to construct mechanically stable devices with components inserted in the optical path. An optical component is inserted in a cavity transversally machined across an optical fiber. The component is secured in the cavity and functionally... Agent: Ogilvy Renault LLP

20070104432 - Polarization insensitive microbend fiber gratings and devices using the same: A microbend-induced fiber grating is formed from a section of optical fiber configured to exhibit “splitting” between the resonant wavelengths supported by the TE and TM components of the LP1m mode and the resonant wavelength supported by the odd/even HE2m components of the LP1m mode. Since only the TE and... Agent: Wendy W. Koba, Esq.

20070104433 - Polarization insensitive microbend fiber gratings and devices using the same: A microbend-induced fiber grating is formed from a section of optical fiber configured to exhibit “splitting” between the resonant wavelengths supported by the TE and TM components of the LP1m mode and the resonant wavelength supported by the odd/even HE2m components of the LP1m mode. Since only the TE and... Agent: Wendy W. Koba, Esq.

20070104434 - Polarization insensitive microbend fiber gratings and devices using the same: A microbend-induced fiber grating is formed from a section of optical fiber configured to exhibit “splitting” between the resonant wavelengths supported by the TE and TM components of the LP1m mode and the resonant wavelength supported by the odd/even HE2m components of the LP1m mode. Since only the TE and... Agent: Wendy W. Koba Esq.

20070104435 - Polarization insensitive microbend fiber gratings and devices using the same: A microbend-induced fiber grating is formed from a section of optical fiber configured to exhibit “splitting” between the resonant wavelengths supported by the TE and TM components of the LP1m mode and the resonant wavelength supported by the odd/even HE2m components of the LP1m mode. Since only the TE and... Agent: Wendy W. Koba, Esq.

20070104436 - High numerical aperture optical fiber: An optical fiber, comprising: a core with a first refractive index (n1); a silica based outer cladding surrounding the core, the outer cladding having a refractive index (n), such that the core is substantially surrounded by a gap situated between the core and the outer cladding, the gap containing at... Agent: Corning Incorporated

20070104437 - Microstructured optical fibers and methods: Microstructured optical fiber and method of making. Glass soot is deposited and then consolidated under conditions which are effective to trap a portion of the consolidation gases in the glass to thereby produce a non-periodic array of voids which may then be used to form a void containing cladding region... Agent: Corning Incorporated

20070104438 - Apparatus for providing optical radiation: Apparatus for providing optical radiation, which apparatus comprises an optical fibre (5) having a core (3), a first cladding (1) and a second cladding (2), in which the first cladding (1) has a substantially constant diameter (9) in its cross-section. The first cladding (1) can be non-circular. Advantages include more... Agent: John S Reid Reidlaw

20070104443 - Apparatus and methods for achieving phase-matching using a waveguide: The present invention relates to an apparatus and methods for achieving phase-matching between various waves and/or modes by operation of a waveguide. Phase-matching between interacting waves is achieved by total internal reflection and transverse Bragg reflection waveguides. Using second harmonic generation in GaAs/AlGaAs as an example, properties are investigated and... Agent: Miller Thompson, LLP

20070104440 - Fabrication of polymer waveguide using a mold: A polymer waveguide having low optical loss and no lip around a core is prepared by using a mold having a recessed shape formed by assembling at least two waveguide pattern units having predesigned channels together with two band parts such that the channels of the units are interconnected and... Agent: Anderson, Kill & Olick, P.C.

20070104441 - Laterally-integrated waveguide photodetector apparatus and related coupling methods: High-speed optoelectronic devices having a waveguide densely integrated with and efficiently coupled to a photodetector are fabricated utilizing methods generally compatible with CMOS processing techniques. In various implementations, the waveguide consists essentially of single-crystal silicon and the photodetector contains, or consists essentially of, epitaxially grown germanium or a silicon-germanium alloy... Agent: Renner, Kenner, Greive, Bobak, Taylor & Weber

20070104439 - Polymer optical waveguide and optical device: A polymer optical waveguide of the present invention has a lower clad layer, a core layer and an upper clad layer that are provided on a substrate, and a cover member that covers at least one part of the upper clad layer. The upper clad layer and the cover member... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070104442 - Three-dimensional photonic crystal and functional device including the same: A three-dimensional photonic crystal of the present invention has a complete photonic band gap in a wide wavelength region and that can be easily produced. A three-dimensional photonic crystal in which a plurality of layers including a periodic-refractive-index structure are periodically stacked includes, a first layer having holes provided at... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070104445 - Fiber termination platform for optical connectors: A field termination platform and method for field termination of an optical fiber in an optical fiber connector are provided. The field termination platform includes a base configured to hold the optical fiber connector having a pre-assembled fiber stub. An actuation mechanism is disposed on the base to actuate a... Agent: 3m Innovative Properties Company

20070104444 - Method of stretching optical fiber base material and stretching apparatus: where Vb represents a reference speed, Dmax represents a maximum outer diameter of the optical fiber base material, D(x) represents an outer diameter at a heated position x of the optical fiber base material, and Vb(x) represents a relative moving speed of the heating device relative to the optical fiber... Agent: Clark & Brody

20070104446 - Fiber optic cable breakout system, packaging arrangement, and method of installation: Certain aspects of the disclosure relate to fiber optic cable systems, packaging configurations and methods that facilitate the effective use and installation of pre-terminated fiber optic cable. A fiber optic cable breakout arrangement can include a main cable, a branch cable that separates from the main cable, and an elongate... Agent: Merchant & Gould PC

20070104447 - Fiber optic splice storage apparatus and methods for using the same: A fiber optic splice storage apparatus includes a central segment defining a splice chamber configured to receive a plurality of fiber optic splices, a first slack fiber storage segment pivotally connected to a first end of the central segment and having an open position extending from the first end away... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20070104448 - Optical fiber clips, random access management systems including clips and methods for using the same: An optical fiber random access management (RAM) system is provided for use with an optical fiber termination device configured to selectively couple a first plurality of optical fibers to a second plurality of optical fibers. The RAM system includes a clip holder and a plurality of clips. The clip holder... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20070104449 - Fiber management access system: A fiber management access system includes a guide that can be movably coupled to an exterior of a chassis for routing fibers of the system. The guide can include a channel for directing fibers of the system to a side of the guide, and can have multiple routing troughs located... Agent: Lee & Hayes, PLLC

20070104450 - Cable management support system: A cable management support for a conventional equipment rack provides various bars and members to support, order, direct and otherwise manage cables coupled to equipment secured in the rack.... Agent: Davis Wright Tremaine, LLP

20070104451 - Devices and methods for all-optical processing and storage: Devices and methods for optical processing and storage are described. In a preferred embodiment, an integrated optical gate matrix, that includes a set of nonlinear elements and waveguides interconnecting at least some nonlinear elements in the set of nonlinear elements, may be configured to enable optical processing. A first subset... Agent: Doron Handelman

20070098318 - Diffractive waveguide-spatial optical modulator: Disclosed herein is a diffractive waveguide-spatial optical modulator. The diffractive waveguide-spatial optical modulator includes a substrate member, a plurality of reflecting members, and an actuation means. The reflecting members are each formed in a plate shape, are arranged on the substrate member at regular intervals to form a grating array,... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070098319 - Non-blocking cyclic awg-based node architectures: An optical switching architecture utilizing a multiple stage configuration of wavelength division multiplexed (WDM) component wavelength converters and cyclic arrayed waveguide grating (AWG) routers.... Agent: Patterson & Sheridan, LLP/ Lucent Technologies, Inc

20070098320 - Beam steering element with built-in detector and system for use thereof: An all-optical cross-connect switching system provides optical switching that may reduce processing requirements by three orders of magnitude over conventional techniques by associating at least one optical detector with an optical beam steering element. In one embodiment, a first beam steering element, having a reflective surface in optical association with... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20070098321 - Optical switch: An optical switch having a plurality of switch cells. The optical switch has n inputs (n is a natural number) and m outputs (m is a natural number). The optical switch has a unit size defined as the distance between any two adjacent ones of the switch cells. The optical... Agent: Staas & Halsey LLP

20070098322 - Optical router using stationary imaging: A planar optical filter consisting of two stages performing stationary imaging between an input waveguide and a set of output waveguides is characterized by reduced crosstalk and minimal loss variation in each passband. The input stage is a small waveguide grating router, connected to the output stage by a waveguide... Agent: Corrado Pietro Dragone

20070098323 - Reflection-mode fiber sensing devices: Fiber sensors formed on side-polished fiber coupling ports based on evanescent coupling are described. Such sensors may be configured to measure various materials and may be used to form multi-phase sensing devices. A Bragg grating may be implemented in such sensors to form reflective fiber sensors.... Agent: Maintain Patents, LLC

20070098324 - Optical multiplexer and projection type display device incorporating same: There is provided an optical multiplexer which includes a plurality of light sources to emit light beams having respective different wavelengths, and a diffraction grating to reflect the light beams emitted from the light sources. The plurality of light sources are positioned and oriented with respect to one another and... Agent: Oliff & Berridge, PLC

20070098325 - Integrateable optical interleaver and de-interleaver: A proposed integrateable optical interleaver includes an input Y-branch coupler and at least two multi-section optical couplers. The multi-section optical couplers of the interleaver include at least three substantially similar optical couplers, adjacent ones of the optical couplers interconnected via at least one set of waveguides. The interleaver of the... Agent: Patterson & Sheridan, LLP/ Lucent Technologies, Inc

20070098326 - Light guide screen with louver device: Provided is a light guide screen with louver device. An input group consists of a plurality of aligned light guides arranged into light guide layers, the output ends of each light guide interfacing with an input surface of the louver device. An output surface of the louver device interfaces with... Agent: Hewlett Packard Company

20070098327 - Rugged mt-mt connector: The device includes first and second ferrules, first and second housings, and first and second holders. The first and second ferrules have respective first and second mating ends. The first housing has a first cantilever spring, a second cantilever spring, and a first recess for accommodating the first ferrule. The... Agent: Karl D. Kovach, Esq. Stratos International, Inc.

20070098328 - Molded ferrule with reference surface for end face geometry measurement: A ferrule comprising a molded ferrule body defining fiber bores, an end face of a connective end of the ferrule positioned about the fiber bores, and an integral reference surface for determining the angularity of the end face. The integral reference surface is not machined subsequent to a ferrule molding... Agent: Corning Cable Systems LLC

20070098330 - Optical connection apparatus which has a shutter and which can be designed to be small in size: In an optical connection apparatus for use in optical connection, a shutter is held by a housing defining an optical axis of the optical connection. The shutter is formed by a single sheet of plate material and includes a plate-like light shielding portion positioned to cross the optical axis and... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070098329 - Optical connector: A cantilever type latch having the fixed end on the side of exposing the terminal end surface of the optical fiber is provided on the side of the plug housing. Near the center of the upper surface of the latch, an engaging projection which is to be engaged in the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070098331 - Optical fiber connector and method of assembly: A method for assembling an optical fiber connector comprising providing a one piece housing comprising a tailpiece and a body defining a forward first end, a rearward second end and a passage extending longitudinally therebetween, inserting a spring element into the passage through the forward first end, inserting a subassembly... Agent: Corning Cable Systems LLC

20070098332 - Package for optical components: An inexpensive TO- or MO-series package is used to house an optical device, such as a laser, by forming an opening in a side of a package, providing an optical fiber within the opening, and coupling the optical device to the fiber. The package is preferably a TO-258 or some... Agent: Wilmer Cutler Pickering Hale And Dorr LLP

20070098333 - Composites for wireless optical communication: An apparatus and process for operating connectorless, free-space data porting optical structural composites with integrated optical or electrical busses are disclosed. Optical transceivers and fiber optic/coaxial cable are embedded into a foam-core composite sandwich structure which is infiltrated with vinyl ester resin. The embedded busses are composed of a signal... Agent: Mccarter & English, LLP Basil S. Krikelis

20070098334 - Light emitting device: A light emitting assembly includes: a heat sink including a base wall and two opposite retaining walls extending upright from the base wall and defining respectively two retaining grooves, each of the retaining walls having a top wall portion confining a top side of a respective one of the retaining... Agent: Darby & Darby P.C.

20070098335 - Bidirectional optical transceiver: A bidirectional optical transceiver includes a wavelength-selecting filter, an optical fiber, a transmitting module, and a receiving module. The wavelength-selecting filter is placed on an optical axis, passes a first optical signal therethrough, and reflects a second optical signal perpendicularly to the traveling path of the second optical signal. The... Agent: Cha & Reiter, LLC

20070098336 - Buffer tubes with improved flexibility: The present invention provides a communication cable buffer tube having a flexural modulus ranging from about 180 kpsi to about 280 kpsi.... Agent: King & Spalding LLP

20070098337 - Buffer tubes with improved flexibility: The present invention provides a communication cable buffer tube having a flexural modulus ranging from about 180 kpsi to about 280 kpsi.... Agent: King & Spalding LLP

20070098338 - Buffer tubes with improved flexibility: The present invention provides a communication cable buffer tube having a flexural modulus ranging from about 180 kpsi to about 280 kpsi.... Agent: King & Spalding LLP

20070098339 - Dry fiber optic cables and assemblies: A fiber optic cable includes at least one optical fiber, at least one strength member, at least one dry insert, and a cable jacket. The cable jacket has a cavity with a generally rectangular cross-section with the at least one optical fiber and the at least one dry insert disposed... Agent: Corning Cable Systems LLC

20070098341 - Fiber optic cable thermal protection device and method: A thermal protection device for a fiber optic cable includes a loop formed on the cable and a plurality of sub-units within the cable removed from an outer jacket. A circumferential cut is made through an outer jacket of each sub-unit. A tube is placed about the cut in each... Agent: Merchant & Gould P.C. Attention Of Joshua N. Randall

20070098340 - Tube for installing an optical fiber unit having a lubricous surface: Disclosed is a tube for installing an optical fiber unit having lubricous surface, which is installed in a communication pipe. The tube for installation includes an inner layer having lubricant components to decrease friction against an optical fiber unit, and an outer layer provided around the inner layer and composed... Agent: Jones Day

20070098342 - Distribution fiber optic cables for fiber to the subscriber applications: A fiber optic cable and methods of manufacturing the same includes at least one optical fiber, and at least one ferrule. The at least one ferrule is attached to the at least one optical fiber before the cable jacket is applied. The cable jacket surrounds the at least one optical... Agent: Corning Cable Systems LLC

20070098343 - Fiber optic cables suitable for automated preconnectorization: Fiber optic drop cables are disclosed that are suitable for automated preconnectorization. In one embodiment, an optical waveguide is disposed in a buffer tube that has two strength components disposed on opposite sides thereof and a plurality of strength members. The plurality of strength members are disposed at a plurality... Agent: Corning Cable Systems LLC

20070098344 - Forming of a cavity in an insulating layer: A method for forming, by dry etch, an opening of a given shape in a silica glass layer, the layer having a doping profile similar to the shape and the etch plasma being a non-carbonated fluorinated plasma causing a non-directional etching.... Agent: Seed Intellectual Property Law Group PLLC

20070098345 - Frequency-selective light coupler-decoupler device: A frequency-selective light coupler-decoupler device comprising a component of photonic crystal structure in which there is formed a waveguide having at least one longitudinal edge with a small number of rows of periodic elements of the photonic crystal so as to form coupling zones between the waveguide and the outside... Agent: Alston & Bird LLP

20070098346 - Methods and devices for tracing fiber optic cable: Exemplary embodiments include a tracing clip for a fiber optic cable including: a clip body including an inner and an outer surface; a metal clip disposed on the outer surface; a metal tooth disposed on the inner surface, wherein the metal clip tooth connects to a metal element extending substantially... Agent: Cantor Colburn LLP - Bellsouth

20070098347 - Slide arrangement for cable drawer: A drawer slide having first and second rails interconnected by a center rail. The center rail includes a spool configured to provide half-speed travel of the center rail relative to the travel of the first rail. The drawer slide is configured for use with a drawer assembly having a drawer... Agent: Attention: Steve C. Bruess Merchant & Gould P.C.