Optical waveguides inventions

20080101744 - Optical waveguide sensor devices and methods for making and using them: The present invention relates to optical waveguide sensor devices. One aspect of the present invention is an optical waveguide sensor device, comprising a substrate; and a device layer disposed on the substrate. The device layer includes one or more sensing optical waveguides, each sensing optical waveguide having a core formed... Agent: Honeywell International Inc.

20080101746 - Optical module: An optical module has a substrate having a substrate surface provided with terminal pads and landing pads, and an optical element package having terminals and mounted on the substrate surface with a gap formed therebetween. The gap between the optical element package and the substrate surface is determined by the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080101748 - Mems device lever: A MEMS device and method include a mechanical plate that is raised or lowered by pivoting a lever coupled to the mechanical plate by a flexible beam.... Agent: Hewlett Packard Company

20080101749 - Apertured fiber optic stub for control of multi-mode launch condition: Disclosed are various embodiments of systems, devices, components and methods for launching high-transmission-rate optical communication signals into legacy fiber optic cables. At least one aperture is provided on a proximal end of single-mode fiber optic stub so as to block or otherwise control the propagation of unwanted light into and... Agent: Kathy Manke Avago Technologies Limited

20080101750 - Optical transmitter and/or receiver assembly comprising a planar optical circuit: The invention relates to an optical transmitter and/or receiver assembly comprising at least one transmitter component (2) and/or at least one receiver component (3, 4), in addition to a planar optical circuit (5) with at least one integrated waveguide (51). According to the invention, light from the transmitter element (1)... Agent: Baker Botts L.L.P.

20080101751 - Multi-fiber ferrule with guard fiber: A multi-fiber fiber optic ferrule comprising a ferrule body, at least one optically functional optical fiber received within at least one optical fiber bore defined by the ferrule body, and at least one optically non-functional guard fiber received within at least one guard fiber bore defined by the ferrule body.... Agent: Corning Cable Systems LLC

20080101752 - Small-form-factor fiber optic transceiver module having built-in test capability and method: A fiber optic transceiver module having built-in test capability is packaged in a housing to meet small-form-factor (SFF) requirements. The module has a first optical fiber having an angled end that defines an acute angle relative to a longitudinal axis of the first optical fiber. A second optical fiber also... Agent: Wildman Harrold Allen & Dixon LLP And The Boeing Company

20080101743 - Mws drift feedback compensator using voa and input power dithering: The invention relates to a compensator of attenuation drift in an optical multi-wavelength switch (MWS) which uses input signal amplitude dither and external VOA dither cancellation to determine relative position of MEMS micro mirror hence indirectly determining attenuation level.... Agent: Teitelbaum & Maclean

20080101745 - Single mode (sm) fiber optical reader system and method for interrogating resonant waveguide-grating sensor(s): An optical reader system is described herein which has a single mode (SM) optical fiber launch/receive system that uses one or more SM optical fibers to interrogate a biosensor and does not use multimode (MM) optical fibers to interrogate the biosensor. The use of the SM optical fiber launch/receive system... Agent: Corning Incorporated

20080101747 - Optical gate array device: An optical gate array device which permits the use of an optical gate array with a pitch smaller than the diameter of optical fibers. The optical gate array has an array of optical gates, and an optical fiber array has an array of optical fibers. A lens is arranged between... Agent: Staas & Halsey LLP

20080101753 - Optical fiber coil and production method therefor: An optical fiber coil and a production method therefor make it unnecessary for spaces between single fibers to be widened and for stress to be applied to the single fibers, and in which time and economic costs are low. In the optical fiber coil, an optical fiber ribbon is formed... Agent: Oliff & Berridge, PLC

20080101754 - Optical waveguide: An optical waveguide comprises a core and is characterised in that the core has a refractive index that includes a radial discontinuity and varies, with increasing azimuthal angle θ, from a first value n2 at a first side of the discontinuity to a second value n1 at a second side... Agent: Baker Botts L.L.P.

20080101755 - Single-mode optical fiber:

20080101756 - Optical transmission line retention and light accumulation bushing: Disclosed is an electronic component which includes a removable planar card having a light emitting diode (LED). The electronic component also includes an attachment flange having a first face and a second face substantially parallel to a removable planar card face, and a bushing installed in a hole in the... Agent: Cantor Colburn LLP - IBM Rochester Division

20080101758 - Dust shutter for optical adapter: A dust shutter for an optical adapter, includes a collar, wherein the collar is capable of being provided around an end of the optical adapter; a cover; a hinge that connects the cover to the collar; the hinge configured such that the cover can be provided in an open position... Agent: Sughrue Mion, PLLC

20080101757 - Fiber optic protective shutter: A protection system for a fiber optic coupling having a first housing with a guide slot in a side wall includes a protective cap with a slot in a side wall and defining a passage for receiving the first housing whereby the protective cap slot aligns with the guide slot... Agent: Pepper Hamilton LLP

20080101759 - Prism matrix with random phase structures: An improvement to prism films for displays that reduces the Moiré pattern effect, and also provides a light diffusion function. A prism film with many small prism units is used. The pattern of the prism film is varied, ideally with a random or pseudo random variation. The variation can be... Agent: Townsend And Townsend And Crew, LLP

20080095485 - Optical modulator and transmitter: To reduce wavelength chirp and produce multi-valued signal light that can be readily demodulated on a receiver side, a Mach-Zehnder type optical modulator includes an incident waveguide that branches input light, a pair of optical waveguides that respectively transmit the branched light and exhibit an electro-optic effect, a pair of... Agent: Staas & Halsey LLP

20080095486 - Optical modulator utilizing multi-level signaling: An optical modulator is formed to include a plurality of separate electrodes disposed along one arm, the electrodes having different lengths and driven with different signals to provide for multi-level signaling (e.g., PAM-4 signaling). By using separate drivers to energize the different sections, the number of sections energized at a... Agent: Wendy W. Koba

20080095490 - High frequency ultrasound detection using polymer optical-ring resonator: A polymer waveguide resonator device for high-frequency ultrasound detection having a optical resonator coupled to a straight optical waveguide which serves as input and output ports. Acoustic waves irradiating the waveguide induce strain modifying the waveguide cross-section or other design property. As a consequence, the effective refractive index of optical... Agent: Harness, Dickey & Pierce, P.L.C

20080095491 - Integrated optical wave guide for light generated by a bipolar transistor: A monolithically integrated optical network device (20). The device comprises: a bipolar transistor (10) realized in a silicon substrate (11) that can be biased into an avalanche condition to emit photons; and a photonic bandgap (PBG) structure (22) monolithically integrated with the bipolar transistor (10) to act as an optical... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20080095492 - Semiconductor optoelectronic device and method of fabricating the same: Provided is a semiconductor opto-electronic device that may comprise an active layer including a quantum well and a barrier layer on a substrate, upper and lower waveguide layers on and underneath the active layer, respectively, and upper and lower clad layers on and underneath the upper and lower waveguide layers,... Agent: Harness, Dickey & Pierce, P.L.C

20080095494 - Photonic waveguide device for modal control: Uniaxially patterned (UAP) dielectric layers have an optical anisotropy that can be dynamically controlled. In a three-layer optical waveguide structure, the pattern can be included in the core or in a cladding layer. The pattern influences the polarization properties of radiation propagating in the structure. Predicated on the effect are... Agent: Silber & Fridman

20080095495 - Evanescent sensor using a hollow-core ring mode waveguide: Method and apparatus enable optical evanescent sensing utilizing a waveguide with an annular core. The annular core can provide detectable sensitivity to a measurand due to optical interactions with contents along an inside surface of the annular core since optical properties of the contents vary with changes in the measurand.... Agent: Patterson & Sheridan, L.L.P.

20080095496 - Optical turnaround: Fiber optic sensors commonly require a 180 degree turnaround to form a continuous optical circuit. Methods and apparatus for providing 180 degree turnarounds in a fiber optic system that include a shorter radius turnaround then provided by micro-bending the optic fiber are desired. An embodiment of a turnaround apparatus includes... Agent: Schlumberger Reservoir Completions

20080095497 - Low coupling loss photodetector/optical fiber apparatus and method for forming the same: A coupling apparatus includes a lens disposed between a port, such as a photodetector, and a light source, such as a fiber. The lens is aligned such that light emitted from the light source is focused by the lens onto the port. Between the lens and light source and/or lens... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080095498 - Liquid-based optical device, method for controlling such a device and electronic device: The present invention discloses an optical device comprising a container having an inner wall, said container enclosing a first liquid (A) and an electrically susceptible second liquid (B), said liquids (A; B) being immiscible and being in contact with each other via an interface (14), said interface (14) having a... Agent: Philips Intellectual Property & Standards

20080095501 - Stackable multi-optical fiber connector modules and devices for aligning sets of the stackable multi-optical fiber connector modules and coupling optical signals between them: The connector modules that are designed and shaped to mate with one side of the receptacle of the panel have mating devices that enable them to be stacked one atop the other inside of the receptacle in a relatively rigid stack. The connector modules that are designed and shaped to... Agent: Kathy Manke Avago Technologies Limited

20080095502 - Stackable multi-optical fiber connector modules and devices for aligning sets of the stackable multi-optical fiber connector modules and coupling optical signals between them: The connector modules that are designed and shaped to mate with one side of the receptacle of the panel have mating devices that enable them to be stacked one atop the other inside of the receptacle in a relatively rigid stack. The connector modules that are designed and shaped to... Agent: Avago Technologies, Ltd. C/o Klaas, Law, O'meara & Malkin, P.C.

20080095503 - Ferrule for optical wave guide: An apparatus includes an optical wave guide and a ferrule. The optical wave guide has a prespecified horizontal-positioning surface and a prespecified vertical-positioning surface. The ferrule is to precisely couple with the optical wave guide. The ferrule defines a first datum plane mating with the prespecified vertical-positioning surface of the... Agent: Law Offices Of Michael Dryja

20080095505 - Photoelectric coupling assembly and manufacturing method thereof: A photoelectric coupling assembly and manufacturing method thereof enabling a three dimensional electrical wiring pattern is provided. The assembly includes a photoelectric conversion unit equipped with a photoelectric conversion element and a molded article. The molded article has a hole configured and arranged to have an optical fiber inserted there-through... Agent: GlobalIPCounselors, LLP

20080095506 - multi-optical fiber connector module for use with a transceiver module and method for coupling optical signals between the transceiver module and multiple optical fibers: A multi-fiber connector module for optical communications is provided that receives collimated beams of light from a transceiver module and focuses the collimated beams to respective focal points that coincide with the ends of respective transmit fibers. Because the inputs to the connector module are collimated light beams, movements of... Agent: Kathy Manke Avago Technologies Limited

20080095487 - Systems and methods for polarization mode dispersion mitigation: In one exemplary embodiment, a method comprises transmitting an optical signal via the optical line, measuring a relative change in spectral intensity of the optical signal near a clock frequency (or half of that frequency) while varying a polarization of the optical signal between a first state of polarization and... Agent: Fulbright & Jaworski L.l.p

20080095489 - Single mode (sm) fiber optical reader system and method for interrogating resonant waveguide-grating sensor (s): An optical reader system is described herein which has a single mode (SM) optical fiber launch/receive system that uses one or more SM optical fibers to interrogate a biosensor and does not use multimode (MM) optical fibers to interrogate the biosensor. The use of the SM optical fiber launch/receive system... Agent: Corning Incorporated

20080095488 - Substrates for performing analytical reactions: Substrates, including zero mode waveguide substrates that have been fabricated to provide additional functional elements and/or components including increased volumes for positioning of active surfaces and/or components for the mitigation of negative electrochemical properties of the underlying substrates.... Agent: Morgan, Lewis & Bockius LLP (sf)

20080095493 - Plasmon gate: A variety of structures, methods, systems, and configurations can support plasmons for logic.... Agent: Searete LLC Clarence T. Tegreene

20080095499 - Submount assembly and method of preparing optical module: The present invention relates to a submount on which at least one optical component is mounted. The submount has a mounted portion that is mounted onto a substrate or base, and a protruding portion that protrudes out from the substrate or the base when the mounted portion is mounted to... Agent: Sughrue Mion, PLLC

20080095500 - Downhole optic fiber wet connect system and method: A downhole optic fiber wet-connect system includes first and second matable portions of a tool body; first and second matable portions of a connector. Further included is a first magnet associated with one of the first and second matable portions and a second magnet associated with the other of the... Agent: Cantor Colburn, LLP

20080095504 - Optical connector component and optical connector using the same: To provide a fusion-spliced optical connector capable of easily performing a fusion-splicing operation at an actual site in a short time, without need to perform additional special operations. An optical connector component is configured to attach a short-length optical fiber to a ferrule including a capillary and a flange. The... Agent: Carlson, Gaskey & Olds, P.C.

20080095507 - Environmentally robust liquid crystal polymer coated optical fiber cable and its use in hermetic packaging: The invention relates to high-strength, abrasion-resistant optical fiber cable having a supplemental layer consisting essentially of a liquid crystal polymer (LCP) to enhance the cable's tensile strength and hermetically seal it, and an outermost encasing layer to protect the LCP supplemental layer from damage that could otherwise diminish the tensile... Agent: Francis J. Caufield

20080095508 - Low noise high strength optical fiber cables: A method includes incorporating an optical fiber into a buffer tube, wherein the buffer tube has a first length. The buffer tube contains the optical fiber and a filler compound to create a buffer tube assembly. The buffer tube assembly is heated to an elevated temperature for a period of... Agent: Mark S. Peloquin Peloquin, PLLC

20080095509 - Periodically poled optical crystals and process for the production thereof: Periodically poled crystals and a hydrothermal growth method for making such are disclosed. Electronically periodically poled crystals are employed as seed crystals in a hydrothermal growth process in order to produce novel crystals having deep ferroelectric domains.... Agent: Leigh P. Gregory

20080095510 - Fiber tray: A fiber tray is provided for installing fiber optic cable and other types of cable that are vulnerable to performance losses if a certain minimum bend radius is not maintained. The fiber tray allows a user to create a subassembly that maintains bend radius control while easing assembly. The construction... Agent: Kurt J. Fugman Greenlee Textron Inc

20080095511 - Retro-reflective type light pipe, illumination device including the same and projection display including the illumination device: A retro-reflect type light pipe, an illumination device including the same, and a projection display including the illumination device are provided. The retro-reflective type light pipe includes an incident portion through which light is incident, a guide portion which guides the incident light such that the incident light propagates internally... Agent: Sughrue Mion, PLLC

20080089635 - Single analyte molecule detection by fibre fluorescemce probe: An apparatus for single analyte molecule detection includes: a light source (20) for generating excitation light; a dichroic mirror (22) disposed on a first path of excitation light generated by the light source, wherein the mirror directs excitation light into a fiber aligner (30); an optical transducer coupled to the... Agent: Joyce Von Natzmer Pequignot + Myers LLC

20080089640 - Photonic-based interconnects for interconnecting multiple integrated circuits: Various embodiments of the present invention are directed to photonic-based interconnects for transmitting data encoded in electromagnetic signals between electronic mosaics. In one embodiment of the present invention, a photonic-based interconnect comprises a first photonic node coupled to a second photonic node via a waveguide. The first photonic node is... Agent: Hewlett Packard Company

20080089642 - Photonic crystal sensor for small volume sensing: Photonic crystal apparatus and a method for fabricating a photonic crystal apparatus. The photonic crystal apparatus includes a photonic crystal having a dielectric body formed of a first dielectric material having relatively high index of refraction, and a periodic lattice in the dielectric body formed of a second dielectric material... Agent: Agilent Technologies Inc.

20080089643 - Semiconductor laser module: The object of the present invention is to provide a semiconductor laser module capable of reducing the burdens for the arrangement of the optical system than the conventional one. The semiconductor laser module comprises: a semiconductor laser 1 for emitting, as a transmitted light, a light with a wavelength within... Agent: Nixon & Vanderhye, PC

20080089645 - Tunable dispersion compensation: Dispersion compensation for an optical signal having a first frequency range is described. The optical signal is applied to a dispersion compensating material having a negatively refracting behavior within the first frequency range. The dispersion compensating material is tuned by application of a control signal that varies at least one... Agent: Hewlett Packard Company

20080089648 - Optical fiber, maker groove forming device and method and optical fiber device: Marker grooves of an optical fiber are formed by a marker groove forming device including at least, on a substrate, a fiber guide and optical fiber pressing springs formed on a side wall surface in the fiber guide. The optical fiber pressing springs include edges contacted and pressed to the... Agent: Gallagher & Lathrop, A Professional Corporation

20080089649 - Fiber optic connector release mechanism: A fiber optical connector release mechanism is disclosed. The fiber optical connector is incorporated in a cage assembly through a transceiver module. The front end of the transceiver module is disposed with a handle and a bail which is rotated to operate the release mechanism such that a pair of... Agent: Troxell Law Office PLLC

20080089651 - Connector assembly having multi-fiber ferrule with force centering: A fiber optic connector assembly comprising a connector housing, at least one multi-fiber ferrule maintained within the connector housing, the at least one multi-fiber ferrule defining a front end for presenting at least one optical fiber for optical connection with at least one other mating ferrule and a rear end... Agent: Corning Cable Systems LLC

20080089633 - Low loss bridge electrode with rounded corners for electro-optic modulators: An electro-optic modulator having a substrate, one or more optical waveguides, at least one active electrode formed on the substrate and aligned over the optical waveguide, the active electrode operating to induce a refractive index change in the optical waveguide. The active electrode has a lower surface arranged facing the... Agent: Naval Research Laboratory Associate Counsel (patents)

20080089634 - Segmented optical modulator: An optical modulator is formed to include an adjustable drive arrangement for dynamically adjusting the effective length of the optical signals path(s) within the modulator. Each modulator arm is partitioned into a plurality of segments, with each segment coupled to a separate electrical signal driver. Therefore, the effective length of... Agent: Wendy W. Koba, Esq.

20080089636 - Array temperature sensing method and system: Methods and apparatus enable monitoring conditions in a well-bore using multiple cane-based sensors. The apparatus includes an array of cane-based Bragg grating sensors located in a single conduit for use in the well-bore. For some embodiments, each sensor is located at a different linear location along the conduit allowing for... Agent: Patterson & Sheridan, L.L.P.

20080089637 - Polymide substrate bonded to other substrate: Polyimide substrates, and polymer laminates for optical and electronic applications are described. Single or multi-layer waveguide structures are deposited on the polyimide substrates. Laminates including polymer or a hybrid organic/inorganic waveguiding film can be deposited on a polished polyimide substrate. The laminate can also include piezoelectric and metallic layers. Micromachined... Agent: John Farah

20080089638 - Optical switch and method of controlling optical switch: An optical switch of the present invention includes at least one input optical fiber, output optical fibers, at least one movable mirror for directing a light beam from the input optical fiber selectively to one of the output optical fibers, and at least one shutter for appropriately intercepting the light... Agent: Scully, Scott, Murphy & Presser

20080089639 - Photonic band gap router: An arrangement includes a photonic band-gap assembly comprising at least one input wave guide and at least one output wave guides, and at least one routing element responsive to signals to selectively route a signal from the input wave guide to one or more of the output wave guides.... Agent: Searete LLC Clarence T. Tegreene

20080089641 - Optoelectronic lateral scanner and optical probe with distal rotating deflector: A forward looking optical fiber probe includes an optoelectronic lateral scanner that provides circular scanning using a single pass-through optical motor and a single rotating deflector. The optical fiber is kept stationary while circular scanning is provided by an optically transparent rotating deflector intersected by the optical radiation. The arrangement... Agent: Tucker Ellis & West LLP

20080089644 - Optical fiber for out-coupling optical signal and apparatus for detecting optical signal using the same optical fiber: Provided are an optical fiber, which has an out-coupling characteristic of high coupling efficiency and is advantageous in terms of size reduction, and an optical signal detecting apparatus, which has a high coupling rate and high degree of integration, using the optical fiber. The optical signal out-coupling optical fiber includes:... Agent: Cantor Colburn, LLP

20080089646 - Arrayed waveguide grating device: A grating device has a waveguide array cyclically arranged. A horned waveguide is used in a star coupler of the grating device. An optical signal is divided into streams. The streams are slanted from original central axes. Or, a waveguide having an asymmetrical structure is used. Thus, a flat-top pass-band... Agent: Troxell Law Office PLLC

20080089647 - Resonator for thermo optic device: A resonator for thermo optic devices is formed in the same process steps as a waveguide and is formed in a depression of a lower cladding while the waveguide is formed on a surface of the lower cladding. Since upper surfaces of the resonator and waveguide are substantially coplanar, the... Agent: Schwegman, Lundberg & Woessner/micron

20080089650 - Fiber optic connector: A fiber optic connector for mounting to a cable having a plurality of optical fibers and optically connecting the optical fibers to mating optical fibers, wherein the optical fibers and the mating optical fibers have termini mounted to respective ends thereof. The connector comprises a generally cylindrical plug body, a... Agent: Howison & Arnott, L.l.p

20080089652 - Overmold zip strip: A telecommunications cable includes a distribution cable, a tether branching from the distribution cable at the mid-span breakout location, an enclosure that surrounds the breakout location, and an access device including a ripcord installed on the enclosure. Typically, the first and second ends of the ripcord are arranged adjacent the... Agent: Merchant & Gould PC

20080089653 - Image processing using multiple image devices: An apparatus and a method for operating the same. The apparatus includes N light guide portions. Each light guide portion of the N light guide portions includes a first light guide end and a second light guide end. If an image enters the N light guide portions through the N... Agent: Schmeiser, Olsen & Watts

20080089654 - Light pipe having an improved structure of prisms: The present invention is directed to a light pipe having an improved structure of prisms. According to one embodiment of the present invention, a hollow light pipe comprises an inner-surface including a linear array of prisms; and a substantially smooth outer-surface, wherein a pitch of prisms in a first region... Agent: Birch Stewart Kolasch & Birch

20080089655 - Fiber optic racksaver: A series of racksaver components can be used to contain and protect runs of fiber optic cables and/or jumpers. Racksaver components can interconnect with pre-established and dedicated fiber ironwork racking and fiber raceway/fiber guide with no need for additional raceway/fiber guide, eliminating the need for additional supports, bracing, and ironwork... Agent: Stallman & Pollock LLP

20080089656 - Release latch for pre-terminated cassette: A release latch for a pre-terminated cassette is described. The pre-terminated cassette includes a release latch to allow removal of the pre-terminated cassette from a patch panel, where the patch panel includes a retaining feature for retaining the pre-terminated cassette. The release latch includes a cantilever beam located on the... Agent: Panduit Corp.

20080085076 - Optical interconnection module: An optical interconnection module includes at least one optoelectronic element, at least one substrate, and at least one optical coupling element. A plurality of matching elements is formed on one side of the optical coupling element opposite to the optoelectronic element and the substrate. A plurality of alignment elements is... Agent: Birch Stewart Kolasch & Birch

20080085075 - Optical semiconductor device: Since a ridge-type optical waveguide generally has not strong light confinement, when it is compared with a strip-type optical waveguide, an optical waveguide loss is increased when the optical waveguide is bent. Accordingly, it is desirable to decrease an optical waveguide loss at a bent potion of the waveguide. An... Agent: Sonnenschein Nath & Rosenthal LLP

20080085077 - Optical communication lens and tube body constituting optical element module: An optical communication lens arranged between an optical element and an optical fiber terminal includes a first lens part having an aspherical convex shape facing the optical element, a second lens part having an aspherical convex shape facing the optical fiber terminal, and an intermediate part integrally formed with the... Agent: Sughrue-265550

20080085078 - Managing backreflection: In one example, an optical device includes a body having a first surface and a second surface. At least a portion of the body is formed from a material that is transmissible to light. The body is configured to be positioned in an optical sub-assembly along an axis defined between... Agent: Workman Nydegger

20080085080 - Fiber optic device for measuring a parameter of interest: An optical fiber (100) utilized as a sensor for measuring a parameter of interest 122 such as temperature, strain, photonic energy intensity, electric field intensity and magnetic field intensity is provided. A first optical cladding layer (104) is disposed on an optically transmissive core (102) that includes one or more... Agent: Harris Corporation C/o Darby & Darby Pc

20080085079 - Method of filtering optical signals with a capillary waveguide tunable optical device: A method of filtering optical signals (300) utilizing an optical fiber (100A-100D). The method of filtering optical signals (300) includes the steps (304) selecting an optical fiber (100A-100D) coupled to a source of optical signals, (308) disposing a core (102) in the bore (103) of the optical fiber (100A-100D) formed... Agent: Harris Corporation C/o Darby & Darby Pc

20080085081 - Optical planar wavelength selective filter and method of manufacture: An optical planar wavelength selective filter is formed on a printed circuit substrate. Low optical loss polymers are used to make a layered structure that contains waveguides and free travel zones. A diffraction grating is strategically placed on the printed circuit substrate so that light from one waveguide is diffracted... Agent: Motorola, Inc.

20080085082 - Fiber-optical plug as well as a single and double coupler for receiving such a plug: The invention relates to a connector for creating an optical waveguide connector-in connection for an optical waveguide cable containing an optical waveguide, said connector comprising a housing, a ferrule holder arranged in the housing, and a locking device arranged outside the housing, on a narrow side thereof. The inventive connector... Agent: Collard & Roe, P.c.

20080085084 - Air cavity plastic package for high frequency optical devices: The present invention generally relates to an air cavity plastic package for a high frequency optical device. In one aspect, a module package for a high frequency optoelectronic device is provided. The module package includes an upper plastic housing having an upper cavity formed therein and a lower plastic housing... Agent: Patterson & Sheridan, LLP

20080085073 - Dynamic optical waveguide sensor: Methods and apparatuses that sense physical parameters, such as pressure and strain, using optical waveguide sensors are described. A light source emits light at a predetermined wavelength along an optical waveguide having a fiber Bragg grating optical sensing element. That sensing element reflects light in accord with a sloped -shape... Agent: William B. Patterson Moser, Patterson & Sheridan, L.l.p.

20080085074 - Optical pressure sensor: The present invention aims to provide an optical pressure sensor capable of detecting a more minute pressure change. A base film is formed with a through hole passing first and second surfaces, an optical fiber is fixed to the base film at a region other than the FBG portion such... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080085083 - Method of assembling optoelectronic devices and an optoelectronic device assembled according to this method: A method of assembling an optical device comprising an optical ferrule (1) is provided, according to which said one optical ferrule (1) is secured to a first substrate (3) so as to form an optical subassembly (13); the method further comprises providing a second substrate (9) comprising a main surface... Agent: Greenberg Traurig LLP (la)

20080085085 - Methods for splicing optical fibers using an optical fiber repair apparatus with adjustable guide member: Methods for splicing optical fibers include coupling a first optical fiber cable to a longitudinally extending closure frame and coupling a second optical fiber cable to an adjustable guide member on the closure frame. The adjustable guide member is moved toward the first optical fiber cable to provide a distance... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20080085087 - Capillary waveguide tunable optical device: An optical fiber (100A-100D) is provided with a cylindrical core (102) and a first optical cladding layer (104). The core (102) is formed of a core material (105) that is optically transmissive. The core material (105) has a core index of refraction that is continuously variable over a predetermined range... Agent: Harris Corporation C/o Darby & Darby Pc

20080085086 - Optical fiber with quantum dots: Holey optical fibers (e.g. photonic fibers, random-hole fibers) are fabricated with quantum dots disposed in the holes. The quantum dots can provide light amplification and sensing functions, for example. When used for sensing, the dots will experience altered optical properties (e.g. altered fluorescence or absorption wavelength) in response to certain... Agent: Whitham, Curtis & Christofferson & Cook, P.c.

20080085088 - Multiple quantum dot waveguides: The present invention relates to an assembly of multiple waveguides which includes a substrate and a plurality of waveguides positioned on said substrate at locations effective to suppress cross-talk between different waveguides. The plurality of waveguides each comprise an elongate array of quantum dots extending between sets of first and... Agent: Nixon Peabody LLP - Patent Group

20080085089 - Wafer scale method of manufacturing optical waveguide devices and the waveguide devices made thereby: The invention relates to a wafer scale process for the manufacture of optical waveguide devices, and particularly for the manufacture of ridge waveguide devices, and the improved waveguides made thereby. The present invention has found a process for achieving sub-micron control of an optical waveguiding layer thickness by providing a... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.a.

20080085090 - Crimp and crimp mechanism for fiber optic connector: An improved mechanical crimp provides increased fiber retention, while reducing the force required to form the crimp so that the crimp can be formed using a compact crimp mechanism disposed on a handheld installation tool. The crimp includes a deformable crimp tube and an optical fiber disposed within the crimp... Agent: Corning Cable Systems Llc

20080085091 - Systems and methods for securing a tether to a distribution cable: A securement system includes at least one retention arrangement securing a tether to a distribution cable; and a release device secured to the distribution cable. The release device extends along at least a portion of the length of tether. Pulling the release device away from the distribution cable disengages the... Agent: Merchant & Gould Pc

20080085093 - Cable management drawer with access panel: A cable management panel including a sliding drawer. The drawer including a bottom tray that pivots to provide access to cable management devices mounted on the tray. The drawer including a connection arrangement that locks the tray in both of a non-pivoted position and a pivoted position.... Agent: Merchant & Gould Pc

20080085094 - Cable management drawer with access panel: A cable management panel including a sliding drawer. The drawer including a bottom tray that pivots to provide access to cable management devices mounted on the tray. The drawer including a connection arrangement that locks the tray in both of a non-pivoted position and a pivoted position.... Agent: Merchant & Gould Pc

20080085092 - Slide arrangement for cable drawer: A drawer slide having first and second outer rails interconnected to center rails; each of the center rails interconnected to a hub rail. The drawer slide is configured for use with a cable management panel having a drawer and a chassis. The drawer slide can be mounted to the drawer... Agent: Merchant & Gould Pc