Optical waveguides inventions 07/07

20070172178 - Optical fiber socket: An optical fiber socket includes a hollow insulative housing, two openings in a bottom face of the insulative housing for receiving two optical fiber plugs and two illuminating elements accommodated inside the insulative housing for connection with the optical fiber plugs. The insulative housing has a first baffle and a... Agent: Patenttm.us

20070172169 - Method of tuning optical components integrated in a monolithic photonic integrated circuit (pic): An optical transmitter comprises a monolithic transmitter photonic integrated circuit (TxPIC) chip that includes an array of modulated sources formed on the PIC chip and having different operating wavelengths approximating a standardized wavelength grid and providing signal outputs of different wavelengths. A wavelength selective combiner is formed on the PIC... Agent: North Weber & Baugh LLP Carothers, W. Douglas

20070172170 - Apparatus and method for very high data rate optical transmission, and the use of said apparatus and said method: The invention relates to an apparatus for transmitting a signal through an optical data transmission network, the apparatus comprising a pulse emitter (10) and at least one line fiber (12) for conveying at least one pulse (30) in said line fiber. The apparatus further comprises a spreader module (14) for... Agent: Epstein Drangel Bazerman & James, LLP

20070172171 - Optical microstructures for light extraction and control: The application of microstructures which improve the quality of light available to the viewer of an optical display system, or any display which works on the concept of moving one surface into direct contact or close proximity of a light guide to extract light through frustrated total internal reflection. Optical... Agent: Fish & Richardson P.C.

20070172172 - Multi-fiber fiber optic receptacle and plug assembly: A multi-fiber fiber optic assembly comprising a receptacle and a plug that correspond and mate to optically connect a plurality of optical fibers. The receptacle comprises a receptacle housing, a receptacle multi-fiber ferrule and an excluding feature. The plug comprises a plug housing, a plug multi-fiber ferrule and a clearance... Agent: Corning Cable Systems LLC

20070172173 - Housing for fiber-optic plug-in connector, and a method for laying fiber-optic cables: The invention relates to a housing for fibre-optic plug-in connectors. According to the invention, said housing is configured in at least two parts, one end of a core cable can be positioned in the housing and the position of said cable can be fixed in said housing, at least one... Agent: Merchant & Gould PC

20070172174 - Monolithic mode stripping fiber ferrule/collimator and method of making same: A monolithic ferrule/endcap/optical fiber structure is provided wherein an optical fiber is terminated in a ferrule and bonded by fusion to form a monolithic unit which minimizes optical loss and is typically capable of transmitting high power laser radiation, preferably on the order of 500 W and higher, without damage... Agent: Townsend And Townsend And Crew, LLP

20070172175 - Hermetic fiber optic ferrule: A fiber optic ferrule assembly has an elongated ferrule body on a major axis and having a rear end opposite its free end. The body has a passage extending from a rear aperture at the rear end to a foreword aperture at the front end. A cable extending from the... Agent: Thomas F. Lenihan Tektronix, Inc.

20070172176 - Optical bond-wire interconnections and a method for fabrication thereof: Optical bond-wire interconnections between microelectronic chips, wherein optical wires are bonded onto microelectronic chips. Such optical connections offer numerous advantages compared to traditional electrical connections. Among other things, these interconnections are insensitive to electromagnetic interference and need not be located at the edges of a chip but rather can be... Agent: Robert Popa C/o Ladas & Parry

20070172177 - Fiber optic circuit connector: A circuit board uses both electrical and optical connectors to carry signals in both electrical and light form. The optical connector employs redundant alignment features to provide for reliable connectivity between plug in boards and the electro-optic back plane. A process is of forming the back plane and other multilevel... Agent: Dunlap, Codding & Rogers P.C.

20070172179 - Installation tool with integrated visual fault indicator for field-installable mechanical splice connector: A mechanical splice fiber optic connector installation tool operable for performing splice terminations and verifying an acceptable splice termination includes a power source, a connector holder, an integrated Visual Fault Locater having an optical transmission element and a display for displaying the status of the termination. An adapter configured to... Agent: Corning Cable Systems LLC

20070172180 - Confocal image guide: In certain aspects, the present disclosure provides image guides having a plurality of spaced-apart optical fibers. The fibers are spaced apart sufficiently to allow parallel pixel acquisition from at least a portion of the plurality of fibers. In some examples, the fibers are encased in a rigid matrix. The image... Agent: Klarquist Sparkman, LLP

20070172181 - Curable resin composition for optical waveguide, curable dry film for optical waveguide, optical waveguide and method for forming core part for optical waveguide: A curable resin composition for optical waveguide comprising, as essential components, a copolymer (A) of a radical-polymerizable compound (a) having an acid anhydrous group and/or an acidic group carrying a blocked acid group, and a radical-polymerizable unsaturated group in the molecule, with other radical-polymerizable compound (b), a polymerizable unsaturated compound... Agent: Fitch, Even, Tabin & Flannery

20070172182 - Multimode optical fiber for high rate lan, method for manufacturing the same , and test bed thereof: Disclosed is a method for manufacturing a multimode optical fiber for high data rate LAN using MCVD, which includes a deposition process for forming a clad layer and a core layer, doped with an additive for controlling a refractive index, on an inner wall of a quartz tube by injecting... Agent: Jones Day

20070172183 - Photonic crystal devices including gain material and methods for using the same: A device includes a photonic crystal having a plurality of voids disposed in a periodic lattice throughout a dielectric material. Each void is at least partially defined by a surface of the dielectric material. The photonic crystal also includes a waveguide. Gain material is disposed within at least one void... Agent: Hewlett Packard Company

20070172186 - Optical module: The present invention is directed to an optical module, which stabilizes an oscillation characteristic of a laser by means of a simple configuration. To this end, a gain member, a partial reflection section connected to the gain member, and an optical device section connected to the partial reflection section are... Agent: Edward A. Pennington Bingham Mccutchen LLP

20070172185 - Optical waveguide with mode shape for high efficiency modulation: A waveguide core is positioned proximate to a lower cladding layer, wherein the waveguide core includes a lower waveguide core layer and an upper waveguide core layer, the lower waveguide core layer having a lower refractive index than the upper waveguide core layer. An upper cladding layer is positioned proximate... Agent: Blakely Sokoloff Taylor & Zafman

20070172184 - Semiconductor optoelectronic waveguide: The present invention relates to a semiconductor optoelectronic waveguide having a nin-type hetero structure which is able to stably operate an optical modulator. On the upper and lower surfaces of the core layer determined for the structure so that electro-optical effects are effectively exerted at an operating light wavelength and... Agent: Finnegan Henderson Farabow Garrett And Dunner

20070172187 - Optical sheet body and its producing method, optical card and composite memory: An optical card (1) comprising a surface protection sheet (4) laid on the surface (2a) of a core sheet (2) through a surface side adhesive layer (3) functioning as a surface-side clad layer, and a back surface protection sheet (6) laid on the back surface (2b) through a back surface... Agent: Buchanan, Ingersoll & Rooney PC

20070172188 - Two-dimensional photonic crystal: The present invention provides a two-dimensional photonic crystal in which an absolute photonic band gap (PBG), i.e. a photonic band gap that is effective for both the TE-polarized light and the TM-polarized light within a predetermined wavelength range, is created with an adequate bandwidth. The body 21 is provided with... Agent: Oliff & Berridge, PLC

20070172189 - Semiconductor raman variable optical attenuator/amplifier and equalizer: A semiconductor-based optical amplifier/attenuator is disclosed. An apparatus according to aspects of the present invention includes an optical waveguide disposed in semiconductor material. A first optical beam having a first wavelength is to be directed through the optical waveguide. The optical waveguide is optically coupled to receive a pump optical... Agent: Blakely Sokoloff Taylor & Zafman

20070172190 - Three-dimensional photonic crystal and functional device including the same: A three-dimensional photonic crystal has periodic-refractive-index structures including a first layer having a periodic structure based on a first rectangular lattice having a period of A along a first axis and a period of B along a second axis orthogonal to the first axis in the plane direction, a second... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070172191 - Optical fiber treatment apparatus: The present invention relates to an optical fiber treatment apparatus and, more particularly, to an optical fiber treatment apparatus in which an outer cover of an optical fiber is peeled off by hot blast, and processes for peeling off an outer cover of a optical fiber, a cleaning and cutting... Agent: Cantor Colburn, LLP

20070172192 - Splice tray arrangement: A splice tray arranged to manage and store both stranded fiber optic cables and ribbon fiber optic cables. The tray includes a splice holding arrangement that accommodates both stranded splice components and ribbon splice components. The tray also includes a storage arrangement having radius limiting arrangements that define a number... Agent: Attention Of Karen A. Fitzsimmons Merchant & Gould P.C.

20070172193 - Backlight module: A backlight module has a light guide plate and a frame, wherein the light guide plate includes at least a bump or at least a breach, and at least a pin is arranged on the frame, so as to the bump or the breach may be engaged with the pin.... Agent: Birch Stewart Kolasch & Birch

20070165981 - Optical component for optical communication: Provided is an optical component for optical communication which is capable of suitably accepting a request to reduce a size, resisting a thermal expansion coefficient difference between constituent elements, and adjusting incident and exit modes relative to an end of an optical fiber to thereby constantly attain optical characteristics which... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070165983 - Optical unit, image capturing device, and reflective device: An optical unit includes a closed hollow body defining an enclosed chamber therein, and having an optical part that confines a portion of the chamber and that is deformable so as to be changeable in thickness and shape in response to changes in an inner pressure in the chamber. An... Agent: Ladas & Parry

20070165984 - Optical adaptor mounting metal fittings and an optical adaptor: There is provided optical adaptor mounting metal fittings for mounting an optical adaptor on a panel through it without wobbling and an optical adaptor with the mounting metal fittings attached thereto. An optical adaptor mounting metal fittings to be attached to the outer surface of an optical adaptor comprises a... Agent: Jordan And Hamburg LLP

20070165987 - Multi-beam light source, method for manufacturing the same, light scanning unit using the same, and image forming apparatus using the same: The invention provides a multi-beam light source including a light guide array by which the yield can be improved. An array pitch P2 of entrance surfaces of light guide patterns is 1/N as wide as an array pitch P1 of exit surfaces of optical fiber arrays. The number of the... Agent: Crowell & Moring LLP Intellectual Property Group

20070165976 - Display panel: The present invention discloses a display panel 10 having a substrate 12 with one or more surfaces and one or more features 30 within the substrate 12. When one or more surfaces of the substrate 12 are illuminated, the features 30 redirect the illumination to form an image.... Agent: Intellectual Property Department Ppg Industries, Inc.

20070165977 - Low loss electrodes for electro-optic modulators: An electro-optic modulator includes a substrate, at least two parallel optical waveguides, at least one ground plane, at least one active electrode with at least two lower portions of the active electrode, and an upper portion connected to the lower portions, the lower portions spaced apart from each other, each... Agent: Naval Research Laboratory Associate Counsel (patents)

20070165978 - Single polarization fiber and method of evaluating fiber cutoff wavelengths using optical time domain reflectometry: A method for measuring fundamental mode cutoff wavelength of single polarization fiber comprising: (i) launching pulsed light of at least one wavelength λi into one end of the single polarization fiber; (ii) measuring backscattered light intensity corresponding to said wavelength to obtain the backscattered light intensity as a function of... Agent: Corning Incorporated

20070165980 - Optical circuit fabrication method and device: A photonic light circuit device is described that comprises a semiconductor substrate (220) and two or more optical components (226, 228, 236, 240) wherein one or more hollow core optical waveguides (230, 232, 224) are formed in the semiconductor substrate to optically link said two or more optical components. The... Agent: Nixon & Vanderhye, PC

20070165979 - Optical input substrate, optical output substrate, optical input/output substrate, a fabrication method for these substrates, and an optical element integrated semiconductor integrated circuit: Photodetectors 2a capable of converting optical signals that are received as input from the outside to electrical signals and supplying these electrical signals as output to output ports are mounted on two or more input ports of substrate 1 on which a semiconductor integrated circuit can be mounted; and moreover,... Agent: Scully Scott Murphy & Presser, PC

20070165982 - Expanding single-mode fiber mode field for high power applications by fusion with multi-mode fiber: Apparatus and methodology for the low coupling of optical fibers in high power applications. An end of a single-mode optical fiber, or a polarization maintaining fiber, is cut and spliced to a relatively short segment of an index matched multi-mode fiber or an optical fiber without cladding (air cladded) having... Agent: Ferrells, PLLC

20070165985 - Alignment system and method: The present invention provides an alignment system comprising a base having a feature that accepts a first optical element, a first eccentric element having a through hole that accepts an eccentric assembly comprising a second eccentric element having a feature that accepts a second optical element and is attached to... Agent: Dobrusin & Thennisch PC

20070165986 - Method for manufacturing optical coupling part and optical coupling part: After a wiring plate 30 having a plurality of leads 31 been insert-molded to an edge face 21 of a molded article 20, unwanted portions of the wiring plate 30 are cut, thereby enabling easy three-dimensional wiring. As a result, an electrode terminal section 43 of a photoelectric conversion element... Agent: Mcdermott Will & Emery LLP

20070165989 - Method and systems for diffusion tensor imaging: One embodiment of the present invention includes a system comprising an input interface having at least 3 degrees of spatial freedom for input control; and a diffusion tensor imaging (DTI) module operable with the input interface having at least 3 degrees of spatial freedom. In one embodiment, the DTI module... Agent: Greenberg Traurig, LLP (sv)IPDocketing

20070165988 - Optical fibre alignment mechanism: An alignment and fixing apparatus for positioning and securing an optical fibre (11) in alignment with an optical source (9), in which the optical fibre (11) is coupled, at two longitudinally separated points along the fibre (11), to respective ones of a pair of cantilever arms. Lateral movement of one... Agent: Daspin & Aument, LLP

20070165990 - Multi-component fibers having enhanced reversible thermal properties and methods of manufacturing thereof: Multi-component fibers having enhanced reversible thermal properties and methods of manufacturing thereof are described. In one embodiment, a multi-component fiber includes a fiber body formed from a set of elongated members, and at least one of the set of elongated members includes a temperature regulating material having a latent heat... Agent: Cooley Godward Kronish LLP Attn: Patent Group

20070165991 - Hollow core optical fiber: An optical fiber comprises a hollow fiber core, wherein the front faces of both fiber ends of the hollow fiber core are open and each fiber end is surrounded by a protection element in a dustproof fashion. The protection element includes a window at its front face in front of... Agent: Fish & Richardson PC

20070165993 - Glass optical waveguide: In a glass optical waveguide having a core containing at least one oxide selected from the group of glass-constituting oxides consisting of Bi2O3, Sb2O3, PbO, SnO2 and TeO2, large transmission loss of light which occurs when the cross-sectional shape of the core is rectangle, is reduced. A glass optical waveguide... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070165992 - Semiconductor constructions, methods of forming semiconductor constructions, light-conducting conduits, and optical signal propagation assemblies: The invention includes optical signal conduits having rare earth elements incorporated therein. The optical signal conduits can, for example, contain rare earth elements incorporated within a dielectric material matrix. For instance, erbium or cerium can be within silicon nanocrystals dispersed throughout dielectric material of optical signal conduits. The dielectric material... Agent: Wells St. John P.s.

20070165995 - Fiber distribution hub with modular termination blocks: A fiber distribution hub includes a cabinet; a termination region positioned within the interior of the cabinet; at least one termination module mounted in at least one opening defined at the termination region; fiber optic connectors coupled to termination adapters of the termination module; intermediate fibers extending rearwardly of the... Agent: Merchant & Gould PC

20070165994 - Fiber sub-system for a shelf: A fiber sub-system is provided. The fiber sub-system comprises a fiber optic transmission module, one or more contact boards adapted to couple to shelf interface connectors, and a midplane adapted to couple with the one or more contact boards and the fiber optic transmission module enabling communication between the one... Agent: Fogg & Powers LLC

20070160318 - Optoelectronic system for sensing an electric field signal: An optoelectronic system for sensing an electric field signal includes an optically modulated scattering module configured to convert an electric field signal into a modulated scattering signal based on an optical modulation signal, an optoelectronic sensing module configured to generate an optical signal upon receiving the modulated scattering signal, an... Agent: Wpat, PC Intellectual Property Attorneys

20070160319 - Multi-chip build-up package of optoelectronic chip: A multi-chip build-up package of an optoelectronic chip mainly includes a metal carrier, an IC chip, an optoelectronic chip, a build-up packaging structure including a plurality of dielectric layers and a plurality of wiring layers, and a transparent conductive substrate. The IC chip is disposed on the metal carrier and... Agent: J C Patents, Inc.

20070160320 - Merchandising systems, methods of mechandising, and point-of-sale devices comprising micro-optics technology: A merchandising system, comprising: a consumer product. The merchandising system comprises at least one of the consumer product, packaging for the consumer product, and advertisement material pertaining to the consumer product. At least one merchandising system elements comprises indicia and/or an image that relates, or is analogous to, an attribute... Agent: The Procter & Gamble Company Intellectual Property Division - West Bldg.

20070160325 - Angle-tunable transmissive grating: A tunable transmissive grating comprises a transmissive dispersive element, a reflective element, and an angle θ formed between the two elements. A first optical path is formed according to the angle θ, wherein light dispersing from the dispersive element is directed onto the reflective element and reflects therefrom. At least... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20070160328 - Process for producing optical connector, apparatus for producing the same, and process for forming polymer coating: The present invention provides a process for producing an optical connector, an apparatus for producing the same, and a process for forming a polymer coating film on an end face of a fibrous dielectric, which can dispose a refractive index adjuster only onto an end face of an optical transmitting... Agent: Wood, Herron & Evans, LLP

20070160329 - Multi-beam light source, method for manufacturing the same, light scanning unit using the same, and image forming apparatus using the same: The invention is to provide a multi-beam light source where the interval of core portions is reduced and the core portions are arranged on a straight line. The multi-beam light source includes a first substrate where a plurality of optical fibers each having a core portion and a clad portion... Agent: Crowell & Moring LLP Intellectual Property Group

20070160330 - Optical connector and board: An optical connector mounted on a board comprises an optical connector main body that performs optical transmission and a fixing pin that fixes the optical connector main body to the board. The optical connector main body has a pin insertion hole that the fixing pin is inserted.... Agent: Morgan Lewis & Bockius LLP

20070160331 - Internal pluggable optical module: A pluggable electro-optical module is mounted completely within the housing of a host device, e.g. testing equipment, to protect the module from external forces, such as ESD, dust and impacts. Furthermore, an equipment manufacturer can use any form of electro-optical module with any type of optical connector receptor, and adapt... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070160321 - Monolithic mems-based wavelength-selective switches and cross connects: Wavelength-selective 1×N switches (WSSs) and N×N cross-connects (WSXCs) are described which are fabricated as monolithic or hybrid devices. In a preferred embodiment, the optic ports, dispersion elements, and collimating elements are formed on a single monolithic substrate. A micromirror and actuator are either fabricated within the substrate or a separate... Agent: John P. O'banion O'banion & Ritchey LLP

20070160322 - Optical device: An optical device includes an optical fiber mount with an optical fiber disposed thereon, and an optical demultiplexer having a slit defined in the optical fiber across an optical axis thereof, and an optical demultiplexing member inserted in the slit for demultiplexing a portion of an optical signal beam transmitted... Agent: Burr & Brown

20070160323 - High bit rate optical communication over multimode fibers: An optical communication system includes a transmitter that receives an input optical signal from an optical source and performs filtering so that an output signal from the transmitter includes a specific set of fiber modes that are allowed to pass for further processing. A receiver receives the output signal and... Agent: Gauthier & Connors, LLP

20070160324 - Photonic input/output port: The present I/O ports comprise (1) a layered structure comprising (a) an unpatterned superstrate having at least one layer, (b) an unpatterned substrate having at least one layer, and (c) at least one intermediate layer sandwiched between the unpatterned superstrate and the unpatterned substrate, (2) a coupling region that is... Agent: Fernandez & Associates LLP

20070160326 - Monolithically integrated optical devices with amorphous silicon arrayed waveguide gratings and ingaasp gain: An optical waveguide assembly and method of forming the same is described. The optical waveguide assembly includes a waveguide, an amorphous silicon arrayed waveguide grating communicative with the waveguide, and an integrated amorphous silicon waveguide grating laser which communicatively outputs a laser output responsive to the amorphous silicon arrayed waveguide... Agent: Reed Smith LLP

20070160327 - Multi-fiber fiber optic receptacle and plug assembly: There is provided a fiber optic receptacle and plug assembly adapted to provide electrical connectors for electrical conductors. The receptacle and plug define complimentary alignment and keying features for ensuring that the plug is mated with the receptacle in a predetermined orientation. An alignment sleeve is disposed within the plug... Agent: Corning Cable Systems LLC

20070160332 - Apparatus and method for splicing optical fibers and reconstructing fiber-optic cables: An fiber optic splice having provide substantially enhanced reliability and broadened operating temperature range uses a light-cured index matching fluid to splice the facing ends of the optical fibers in between two metallic tubes forming a leak-tight, thermally insulating, and mechanically robust outer package.... Agent: Charles Qian

20070160333 - Interchannel-time coding method for multichannel transmission systems: A coding method for multichannel optical transmission systems (10) is described, in which coding is carried out both in the time direction and over a plurality of channels, a mapping being selected for the coding such that the simultaneous occurrence of bits with a signal value of ‘1’ in neighbouring... Agent: Sughrue Mion, PLLC

20070160334 - End-emitting fiber optic indicia for motor vehicles: An illuminable indicia for mounting onto a motorized vehicle comprising a fiber optic light bundle having a plurality of end emitting fiber optic strands terminating into terminal ends forming a pre-selected and fixed pattern corresponding to the shape of the indicia. The end emitting fiber optic strands are capable of... Agent: Weston T. Cobb

20070160335 - Absorptive clad fiber optic faceplate tube: A limiter device is used as a fiber optic faceplate (FOFP) night vision goggle for limiting light or laser induced damage on a vacuum side of the FOFP. The limiter device includes a plurality of longitudinally extending optical fibers, each bundled to each other to form a light input surface... Agent: Ratnerprestia

20070160336 - Optical control device: An optical control device includes a photonic crystal and a line-defect waveguide formed in the photonic crystal wherein the optical control device is capable of guiding, through the line-defect waveguide, a light having a wavenumber larger than a wavenumber corresponding to an anti-intersection of an even-mode band and an odd-mode... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070160337 - Planar light waveguide and method of manufacturing same: A planar light waveguide includes at least two cores, which are transmission media of optical signals, a clad surrounding the cores and guiding the optical signals inside the cores, and a dummy core located between the cores.... Agent: Cha & Reiter, LLC

20070160338 - Connector box partly embedded in a fibre-reinforced part for protecting and connecting purposes: The present invention relates to a connector box adapted to be at least partly embedded in a fiber-reinforced part of a wind turbine, where said connector box comprises a flexible base part and a sealing part. The sealing part seals off and protects at least one compartment between the sealing... Agent: Day Pitney LLP

20070160339 - Optical fibre sealing: Enclosure and method for sealingly enclosing a space into and/or from which at least one optical fibre is fed to connect to at least one optical component, by providing a flexible protective sheet of substantially moisture resistant material having a pair of sealing strips; and folding and sealing the sheet... Agent: Myers Bigel Sibley & Sajovec

20070160340 - Light coupling apparatus: A light coupling apparatus for use in an optical equipment is provided. The light coupling apparatus is used to couple a plurality of different incident lights from different light sources into a light that emits in a substantial single outward direction.... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20070154150 - Optical module: An optical module has plural optical units each having an optical communication device that performs conversion between an electrical signal and an optical signal, and a socket that the optical communication device is fitted in. The optical units are aligned and detachably connected to each other by a part of... Agent: Morgan Lewis & Bockius LLP

20070154151 - Laser module and method of making: A laser module has a housing and a laser light source. The housing is made of a material that is pervious to light and has a first end that is provided with a lens, and a second end that is provided with an opening extending into the housing to a... Agent: Raymond Sun

20070154129 - Autonomous evanescent optical nanosensor: A sensor includes traps that are adjacent to a waveguide and capable of holding a contaminant for an interaction with an evanescent field surrounding the waveguide. When held in a trap, a particle of the contaminant, which may be an atom, a molecule, a virus, or a microbe, scatters light... Agent: Hewlett Packard Company

20070154130 - Fbg sensor interrogation method using semiconductor optical amplifier in ring cavity configuration: A sensor device that uses a number of bragg grating (FBG) sensors and novel interrogation system with a ring cavity configuration for simultaneous time-division-multiplexex (TDM) and wavelength-division-multiplexed (WDM) interrogation of FBG sensors. The ring cavity includes an amplifier, and output coupler and an optical circulator. The coupler is connected to... Agent: Knobbe Martens Olson & Bear LLP

20070154131 - Variable attenuation signal acquisition probing and voltage measurement systems using an electro-optical cavity: A variable attenuation signal acquisition probing system and voltage measurement system uses an optical cavity to acquire a signal under test. The probing system has an optical transmitter and receiver that are coupled to the optical cavity via an optical transmission system. The optical cavity has an electrode structure having... Agent: William K. Bucher Tektronix, Inc.

20070154133 - Apparatus and method for a molded waveguide for use with touch screen displays: An apparatus and method for an inexpensive, simple to make, self-aligning molded waveguide made of an optically transparent material and that can be used to generate a grid or lamina of light for use with touch screen displays. The molded waveguide substrate includes a plurality of lenses and a plurality... Agent: Beyer Weaver LLP

20070154132 - Optical and/or electrical communications fabrics in circuit boards and/or other composite structures: An optical and/or electrical communication and structural fabric, method and system. For one aspect, an optical fabric is embedded within a structure to communicate an optical and/or electrical signal and to stiffen the structure. The structure may be a circuit board, for example, and the optical cloth may be used... Agent: Intel Corporation C/o Intellevate, LLC

20070154134 - Printed circuit board including waveguide and method of producing the same: Disclosed is a PCB in which a waveguide is embedded, and a method of producing the same. The PCB includes a substrate, and a lower clad layer formed on the substrate through a predetermined process to allow an optical signal irradiated thereto to be total-reflected thereby. A core layer is... Agent: Gottlieb Rackman & Reisman PC

20070154135 - Connector and indicator thereof: A connector includes an indicator and a connector body. The indicator includes a light-emitting part and a light-guiding structure. The light-guiding structure guides the light emitted from the light-emitting part to one end of the light-guiding structure, which is away from the light-emitting part. The portion of the light-guiding structure... Agent: Birch Stewart Kolasch & Birch

20070154136 - Image null-balance system with multisector-cell direction sensing: A light beam is detected/localized by multisector detector—quad-cell, or 5+ sectors handling plural beams. Preferences: Beams focus to diffraction limit on the detector, which reveals origin direction by null-balance—shifting spots to a central sector junction, and measuring shifts to reach there. One or more MEMS reflectors, and control system with... Agent: Peter I. Lippman

20070154137 - Optical module and optical switch: An optical module controls its output characteristics electrically and an optical switch constitutes the optical module. An optical waveguide circuit (PLC) and an electronic circuit (IC) for driving the PLC are mounted on the same substrate. The IC is composed of a bare chip to be molded afterward. Wiring of... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070154138 - Optical switching using optical fiber connector: An optical switching device, comprises an optical switch and an optical connector receiving means mateable with a connector., means for effectuating switching by engaging a connector in said receiving means, characterised in that said switching effectuating means acts or is acted upon once a connector is sufficiently engaged in the... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070154139 - Four-port optical filter fabricated from tapered optical fiber: A four-port optical filter is provided including two tapered optical fibers, each having a loop in the area of their tapered portions, which are located relative to one another to form a ring resonator. The optical filter has a low Q with a broadband filter response which is useful as... Agent: Gray Robinson, P.A.

20070154140 - Apparatus for mounting for multiple lasers, and microscope: An apparatus for mounting for multiple lasers (16a, 16b, 16c) is disclosed. The multiple lasers (16a, 16b, 16c) generate light that is guided via a light-guiding fiber to an optical system (10). Provided for that purpose on the mounting plate (15) is a combining unit (18) that comprises multiple input... Agent: Foley And Lardner LLP Suite 500

20070154141 - Curved optical waveguide and optical device: A curved optical waveguide comprising a core and a clad, characterized in that: the core shape of the curved optical waveguide has no reversal of a curvature on a halfway; and curvatures at both ends of the curved optical waveguide gradually approach zero. A curved optical waveguide comprising a core... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070154144 - Distributed optical structures designed by computed interference between simulated optical signals: An optical apparatus comprises a planar optical waveguide and at least one set of diffractive elements formed in or on the waveguide. The waveguide is arranged to confine propagating optical signals in at least one transverse dimension. The diffractive element set collectively exhibits a positional variation in diffractive amplitude, optical... Agent: David S Alavi

20070154142 - Mechanism to spectrally combine and divide optical i/o: An optical assembly is disclosed. The optical assembly includes two or more photo devices to transmit and receive optical signals and a pair of parallel gratings to combine optical signals received from the two or more photo devices prior to transmitting the optical signals to an optical fiber and to... Agent: Blakely Sokoloff Taylor & Zafman

20070154143 - Method of photosensitivity of glasses to ultrafast infrared laser radiation using hydrogen or deuterium: A method of increasing the refractive index in a photosensitive glass is disclosed so as to induce an refractive index change of at least 10−5 within a region of the glass. The method includes the step of providing a hydrogen or deuterium loaded doped glass material wherein a dopant within... Agent: Teitelbaum & Maclean

20070154145 - Optical waveguide structure, optical-waveguide-type optical module and optical fiber array: An optical waveguide structure (6) comprises a substrate (12) having a first groove array (8) and a second groove array (10) which are longitudinally spaced from each other, and an optical waveguide (14) layered on the substrate (12) between the first and second groove arrays (8, 10). Each groove array... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070154146 - Joining optical fibres: An optical fibre installation includes (i) a part defining an inlet for optical fibres that has a through-hole for the passage of optical fibres and an associated mating region for a push-fit connector, (ii) an optical fibre cable connected to an adapter that defines a connection region having a predetermined... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070154149 - Electromagnetic inductive shield: According to one embodiment of the invention, a system comprising a housing including an opening to receive an optical connector, and an electromagnetic inductive (EMI) shield independent of the optical connector to cover a portion of the opening to reduce emissions of EMI radiation generated by the optical connector from... Agent: Blakely Sokoloff Taylor & Zafman

20070154148 - Fiber optic module and optical subassembly with reduced electromagnetic interference: According to one embodiment of the invention, a fiber optic module comprises a chassis and an optical subassembly housed within the chassis. The optical subassembly includes a housing having a channel formed within the housing for placement of at least one extrusion of the chassis within the channel.... Agent: Blakely Sokoloff Taylor & Zafman

20070154147 - Mechanism to increase an optical link distance: A system is disclosed. The system includes a multimode optical fiber and a network controller coupled to the optical fiber. The network controller includes a receiver and an electrical dispersion compensation (EDC) unit to compensate for modal dispersion in optical signals received from the optical fiber.... Agent: Blakely Sokoloff Taylor & Zafman

20070154152 - Conduit insert for optical fiber cable: A flexible innerduct structure is configured to contain a cable within a conduit. The innerduct structure includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through which the cable can extend longitudinally through the innerduct structure between the... Agent: Charlotte C. Wilson

20070154153 - System and method for fiber optic bundle-based illumination for imaging system: A system and method for fiber optic bundle-based illumination for an imaging system is disclosed. According to one embodiment of the present invention, the system includes a fiber optic bundle that comprising a plurality of optical fibers. Each optical fiber receives light from a light source. The system also includes... Agent: Ge Healthcare Bio-sciences Corp. Patent Department

20070154154 - Fused array preform fabrication of holey optical fibers: This invention pertains to a holey fiber and to a fabrication method for making the fiber. The holey fiber can transmit light by total internal reflection or by Bragg diffraction, can be single mode or multimode and can have solid core or a hollow core. The holey fiber has outside... Agent: Naval Research Laboratory Associate Counsel (patents)

20070154155 - Embedded waveguide printed circuit board structure: In some embodiments a channel is formed in printed circuit board material, the formed channel is plated to form at least two side walls of an embedded waveguide, and printed circuit board material is laminated to the plated channel. Other embodiments are described and claimed.... Agent: Intel Corporation C/o Intellevate, LLC

20070154156 - Imprinted waveguide printed circuit board structure: In some embodiments a channel is formed by combining two imprinted subparts each made of printed circuit board material and the imprinted subparts are laminated to form a waveguide. Other embodiments are described and claimed.... Agent: Intel Corporation C/o Intellevate, LLC

20070154157 - Quasi-waveguide printed circuit board structure: In some embodiments a channel is formed in printed circuit board material, the formed channel is plated to form at least two side walls of a quasi-waveguide, and printed circuit board material is laminated to the plated channel using thermoset adhesive. Other embodiments are described and claimed.... Agent: Intel Corporation C/o Intellevate, LLC

20070154159 - Fiber access terminal including moisture barrier plate: A fiber access terminal includes a drop cable side and a distribution cable side. The sides are separated by a frame to which a variety of cable management and cable connections components may be mounted. Optical fibers are routed from drop and distribution cables through a plurality of routing paths... Agent: Merchant & Gould PC

20070154158 - Optical fiber coupler module: The invention relates to a glass-fiber coupler module, comprising a cassette mount, which is connected to a front panel, the cassette mount being assigned a coupler, by means of which the signals of at least one incoming glass fiber are distributed over at least two outgoing glass fibers, a first... Agent: Merchant & Gould PC

20070154160 - Bending an optical fiber into a backplane: A method of connecting an optical fiber to a backplane with a right angle bend mount. The bend mount includes a base and a cover that is pivotably connected to the base by a hinge. A clamp is formed by a first pair of opposed surfaces of the base and... Agent: Dunlap, Codding & Rogers P.C.

20070154161 - Electro-optic polymer waveguide devices incorporating organically modified sol-gel clads: A method including poling an optical waveguide device including an optical waveguide core, an electrode, and an organically modified sol-gel layer.... Agent: Fish & Richardson P.C.