Optical waveguides inventions 05/09

20090136173 - Integrated lateral mode converter: The invention describes method and apparatus for a mode converter enabling an adiabatic transfer of a higher order mode into a lower order optical mode within a photonic integrated circuit exploiting integrated semiconductor ridge waveguide techniques. As disclosed by the invention, such a mode conversion is achievable by using an... Agent: Freedman & Associates

20090136174 - Photoelectric conversion device and fabrication method therefor: A photoelectric conversion device comprises a high-refractive-index portion at a position close to a photoelectric conversion element therein. And, the high-refractive-index portion has first and second horizontal cross-section surfaces. The first cross-section surface is at a position closer to the photoelectric conversion element rather than the second cross-section surface, and... Agent: Fitzpatrick Cella Harper & Scinto

20090136175 - Non-contact connector: A non-contact connector, which has a rotation-side optical element positioned on a rotating body which rotates about a rotation axis, and a fixed-side optical element positioned on a fixed body, and which performs data transmission and reception without contact between the rotation-side optical element and the fixed-side optical element, the... Agent: Greer, Burns & Crain

20090136176 - Optical fiber mode coupling device, having an optimized fiber interface and method of fabrication thereof: An optical fiber mode coupling device, capable of being readily connected to a conventional optical fiber with a high degree of ruggedness, is provided. The inventive mode coupling device only allows transmission of at least one supported fiber mode therethrough, and is preferably configured to maximize the coupling, of at... Agent: Edward Etkin, Esq.

20090136177 - Micro-optic adapters and tips for surgical illumination fibers: A microstructure optical adapter or tip according to the present disclosure may incorporate precision micro structure optical components engaging the input or output end of light energy delivery devices for customized light delivery of the light energy. The incorporation of precision micro structure optical components in injection molded plastic or... Agent: Crockett & Crockett, P.C.

20090136179 - Light emitting unit, apparatus and method for manufacturing the same, apparatus for molding lens thereof, and light emitting device package thereof: A light emitting unit, an apparatus and method for manufacturing the same, an apparatus for molding a lens thereof, and a light emitting device package thereof, which are capable of achieving an enhancement in light extraction efficiency and an improvement in mass productivity, are disclosed. The light emitting unit manufacturing... Agent: Birch Stewart Kolasch & Birch

20090136178 - Optical assembly connecting a laser with optical fibre: An optical assembly includes an optical package having a wall with an aperture and includes a laser device capable of emitting a laser beam through the aperture and a collimator including a sleeve defining a first and a second end, the collimator including a terminating portion of an optical fibre.... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090136180 - Polymer wavelength filters with high-resolution periodical structures and its fabrication using replication process: The present invention discloses a method for fabricating polymer wavelength filter with high-resolution periodical structure, which comprises following steps: (a) a positive photo-resister film is coated on a substrate; (b) a grating pattern is holographically exposed on the positive photo-resister film; (c) the photo-resister film is coated with a negative... Agent: Wpat, PC Intellectual Property Attorneys

20090136181 - Methods, materials and devices for light manipulation with oriented molecular assemblies in micronscale photonic circuit elements with high-q or slow light: An optical device that comprises an input waveguide, an output waveguide, a high-Q resonant or photonic structure that generate slow light connected to the input waveguide and the output waveguide, and an interface, surface or mode volume modified with at least one material formed from a single molecule, an ordered... Agent: 24ip Law Group Usa, PLLC

20090136182 - Female ferule: A female ferule is fixed to a terminal of a multi-core optical fiber in which a sheath is provided outside a large number of optical fibers being tied in a bundle and a portion of the sheath is removed. The female ferule includes a ferule body which includes a cylindrical... Agent: Sughrue-265550

20090136183 - Coupling for optical-fiber connectors: A coupling (1) for receiving at least two plug-in connectors (2) which are joined to glass fiber cables, comprising at least one moveable cover (14) which is associated with a sheath opening (121), said cover covering the opening (121) of the sheath in a first position, and being able to... Agent: Merchant & Gould PC

20090136184 - Fiber optic cables and assemblies for fiber toward the subscriber applications: Disclosed are fiber optic cables and assemblies for routing optical networks closer to the subscriber. The fiber optic cables have a robust design that is versatile by allowing use in aerial application with a pressure clamp along with use in buried and/or duct applications. Additionally, the fiber optic cables and... Agent: Corning Incorporated

20090136185 - Splice chip device: A splice tray arrangement including a tray and a splice chip. The splice chip includes a plurality of arms that define channels for holding splice elements. The arms include retaining structure for retaining a splice element in both of either one of an upper region and a lower region of... Agent: Merchant & Gould PC

20090136186 - Optical fiber fusion splicer and method for estimating a shape of beam discharged by the optical fiber fusion splicer: The present invention is provided for fusion splicing optical fibers with low splice loss even when a shape of a discharge beam for the splicing is distorted. In the present invention, a preliminary discharge is performed with the optical fibers outside a discharge area and an image of the discharge... Agent: K&l Gates LLP

20090136187 - Fiber optic cables and assemblies for fiber toward the subscriber applications: Disclosed are fiber optic cables and assemblies for routing optical networks closer to the subscriber. The fiber optic cables have a robust design that is versatile by allowing use in aerial application with a pressure clamp along with use in buried and/or duct applications. Additionally, the fiber optic cables and... Agent: Corning Incorporated

20090136188 - Optical cable and method for production of an optical cable: An optical cable comprises a swelling yarn, around which several optical transmission elements in the form of micromodules are arranged. A micromodule comprises a bundle of optic fibers, which are surrounded by a sleeve made from a material of plastic. Further swelling yarns are arranged around the optical transmission elements.... Agent: Corning Incorporated

20090136189 - Devices and methods for all-optical processing and storage: 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 of the set of nonlinear elements is preferably configured to... Agent: Karen Henckel, Esq. Dorsey & Whitney LLP

20090136190 - Optical device comprising a waveguide structure: An optical device has a waveguide structure comprising a thin strip (12) having finite width and thickness of material having a relatively high free charge carrier density supported by a membrane (14) having a predetermined thickness of material that has a relatively low free charge carrier density. The dimensions of... Agent: Adams Patent & Trademark Agency

20090136191 - Magnetic material for magneto-optical isolator: A magneto-optical structure is provided. The magneto-optical structure includes a substrate. A waveguide layer is formed on the substrate for guiding electromagnetic radiation received by the magneto-optical structure. The waveguide layer includes magnetic oxide material that comprises ABO3 perovskite doped with transition metal ions on the B site, or transition... Agent: Gauthier & Connors, LLP

20090136192 - Optical waveguide device for touch panel and manufacturing method thereof: A touch panel optical waveguide device which obviates the need for an alignment operation for alignment between light emitting cores of an optical waveguide thereof and light emitting means and alignment between light receiving cores of the optical waveguide thereof and light receiving means, and to provide a production method... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090136193 - Optical component structure and image sensor module using the same: An optical component structure includes an elongate optical component, a support member to which the optical component is fixed, and an adhesive for bonding the optical component to the support member. The optical component is provided with a contacting portion and a bonding portion different in position from the contacting... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20090136196 - Cable management panel with sliding drawer: An optical fiber cable management panel is provided with slideable drawers and structure within the drawers for cable management and/or connection to other devices. Tray inserts drop into the drawers to provide the appropriate management and connection devices. A movable take-up mechanism manages the cable entering and exiting the drawers... Agent: Merchant & Gould PC

20090136197 - Drumless cable reel: Disclosed are disposable reels and assemblies for holding a cable, thereby aiding the craft in routing cables such as fiber optic drop cables. The reel has a first flange having at least one first tab and at least one first tab slot and a second flange having at least one... Agent: Corning Incorporated

20090136194 - Grounding device for fiber storage trays: A cable management panel having a grounding arrangement. The grounding arrangement including a rolling ground strap interconnected to each of a drawer and a chassis of the cable management panel. The rolling ground strap being arranged to include a loop that rolls along the length of the ground strap.... Agent: Merchant & Gould PC

20090136195 - 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: Merchant & Gould PC

20090129719 - Free-space integrated photodetector with reduced phase tracking error: A Mach-Zehnder (MZ) interferometer modulator structure for fiberoptic telecommunications is disclosed in which drift of the operating point can be monitored with a reduced phase tracking error. One or more components of free-space light radiated into the substrate of the MZ modulator are selectively detected with one or more photodetectors.... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20090129718 - Light modulator and its fabrication method: It is an object of the invention to provide a light modulator using a thin plate having a thickness of 20 μm or less and capable of stably holding a conductive film suppressing troubles such as resonance phenomenon of microwaves in a substrate and pyro-electric phenomenon and to provide a... Agent: Chapman And Cutler

20090129720 - Efficient transfer of light signals between optical devices: An optical device includes a waveguide immobilized on a base. The device includes a port configured to receive light signals from the waveguide such that the light signals travel through the port. The light signals enter the port traveling in a first direction. The port is configured to change the... Agent: Attn: Travis Dodd Gavrilovich, Dodd & Lindsey, LLP

20090129721 - Fiber optic gas sensor: A gas sensor includes an in-fiber resonant wavelength device provided in a fiber core at a first location. The fiber propagates a sensing light and a power light. A layer of a material is attached to the fiber at the first location. The material is able to absorb the gas... Agent: Eckert Seamans Cherin & Mellott

20090129722 - Fiber bragg grating sensor: An optical fiber strain sensor, a method of fabricating the same, and a method of sensing strain (1200). The method of strain sensing comprises providing an optical fiber having at least a first fiber Bragg grating (FBG) and a second FBG formed therein (1202); subjecting the optical fiber to a... Agent: Luce, Forward, Hamilton & Scripps

20090129724 - Organic electroluminescent optocouplers: An optocoupler including: a substrate comprising a photodetector; a transparent electrically-insulating layer disposed over the photodetector; and an organic electroluminescent device having an organic electroluminescent layer disposed between a first and a second electrode disposed over the transparent electrically-insulating layer; the photodetector arranged to detect light emitted from the organic... Agent: Marshall, Gerstein & Borun LLP

20090129723 - Programmable optical array: An apparatus having a topology that allows building complicated optical programmable arrays useful for manipulating the phase and/or amplitude of an optical signal. Sophisticated filtering and other optical signal processing functionality can be programmed into the array after a chip containing the array has been fabricated. This programming capability is... Agent: Brosemer, Kolefas & Associates, LLC (alu)

20090129725 - Sfp active fiber patch cord with over-molded strain relief and conductive housing: The device includes a first optical fiber, a second optical fiber, a first transmitting optical subassembly, a second transmitting optical subassembly, a first receiving optical subassembly, a second receiving optical subassembly, a first circuit board, a second circuit board, a first amount of over-molding material, and a second amount of... Agent: Karl D. Kovach, Esq. Emerson Network Power, Connectivity Solutions, Inc

20090129726 - Photonic crystal energy converter: A photonic crystal is configured with wavelength converting material to act as a concentrator for electromagnetic energy. The concentrator may also be configured with energy conversion devices to convert the electromagnetic energy into another form of energy.... Agent: Searete LLC Clarence T. Tegreene

20090129727 - Method of manufacturing optical module and method of manufacturing optical transceiver: A method of manufacturing an optical module according to an aspect of the present invention includes: preparing a stem including a first lead and a second lead to transmit an electrical signal from a photonic device, the second lead being shorter than the first lead; preparing a member having a... Agent: Young & Thompson

20090129728 - Microfluidic connections: A junction is made between a first microfluidic substrate (12) having an elongate component (303) protruding from it and a second microfluidic substrate (22) having a corresponding conduit (261). Each of the substrates has a pair of alignment features, for example planar orthogonal surfaces (13,15; 23,25) or grooves (141,151; 241,... Agent: Sheldon Mak Rose & Anderson PC

20090129729 - Reversible fiber optic stub clamping mechanism: A fiber optic stub fiber connector for reversibly and nondestructively terminating an inserted field fiber having a buffer over at least a portion thereof. The connector includes a housing and a ferrule including a stub fiber disposed within and extending from a bore through the ferrule. The ferrule is generally... Agent: Panduit Corp.

20090129730 - Double clad fiber and fiber end processing method, and fiber-combiner connecting structure including the same: A double clad fiber includes a core, a first cladding provided so as to cover the core, and a second cladding provided so as to cover the first cladding. The second cladding has a plurality of pores extending in a length direction and arranged so as to surround the first... Agent: Black Lowe & Graham, PLLC

20090129731 - Method for operating a device for splicing optical waveguides: A device for splicing optical waveguides comprises a heating unit for heating fiber ends of optical waveguides to be spliced. The optical waveguides are heated by means of the heating unit for a time period, with the heated fiber ends emitting thermal radiation. The thermal radiation is detected in the... Agent: Corning Incorporated

20090129732 - Apparatus and method for preventing unwanted exposure of a device to an undesirable substance: Apparatus for preventing unwanted exposure of one or more devices to one or more undesirable substances includes at least one barrier disposed between the device and the undesirable substance. At least one shield substance is provided between the barrier and the device. The shield substance is capable of permeating the... Agent: Schlumberger Reservoir Completions

20090129733 - Fiber optic cable design with improved compression test results: A multi-tight buffer fiber optic cable includes a first layer of tight buffer optical fibers and at least one second layer of tight buffer optical fibers surrounding the first layer of tight buffer optical fibers. A jacket surrounds the at least one second layer of tight buffer optical fibers, where... Agent: Sofer & Haroun LLP.

20090129734 - Loose tube optical fiber cable design and method for making the same: A loose tube fiber optic cable having at least one optical fiber, a loose tube surrounding the fiber, with the tube having an irregular inner surface. A water swellable powder is provided around the fiber and inside the tube, where the particles of the water swellable powder rest in the... Agent: Sofer & Haroun LLP.

20090129735 - Optical fiber having reduced defect density: An optical fiber comprising a multimode glass core having a diameter of at least 250 microns and an index of refraction and a polymer cladding having a thickness and contactingly surrounding a glass portion of the fiber so as to define an interface between the glass portion and the polymer... Agent: Nufern Peter J. Rainville

20090129736 - Plastic optical medium and production method thereof: A first polymerizable composition is poured into a pipe (30), then is polymerized to be a first layer (13). Next, a second polymerizable composition is poured into the pipe (30) and polymerized to be a second layer (14). These pouring and polymerizing processes are repeated to form an optical medium... Agent: Sughrue Mion, PLLC

20090129737 - Folded cavity optoelectronic devices: An optoelectronic device has at least a first facet (S), a first waveguide (2) and a second waveguide (3). The waveguides are substantially coincident at the first facet (6), such that light travelling along the first waveguide (2) is reflected into the second waveguide (3) by the first facet (6).... Agent: Renner Otto Boisselle & Sklar, LLP

20090123107 - Tunable optical group delay based on microresonator structures: This invention provides a tunable delay of an optical signal having multiple frequency components. The delay comprises at least a first and a second integrated resonators coupled sequentially to a waveguide; the resonators have angular resonant frequencies ω1=ω0−Δω and ω2=ω0+Δω respectively, ω0 is a median frequency of an input optical... Agent: Nadejda Reingand

20090123108 - Single photon absorption all-optical modulator in silicon: A single-photon absorption all-optical modulator, systems employing the same, and methods of making and using the same. An illustrative example is provided based on silicon semiconductor technology that employs rectangular waveguides. In some embodiments, it is observed that the waveguides operate with an absorption density of less than 1017 cm−1s−1mW−1... Agent: Hiscock & Barclay, LLP

20090123109 - Temperature sensor using an optical fiber: A temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20° C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the... Agent: Husch Blackwell Sanders LLP

20090123112 - Fiber optic microphone and a communication system utilizing same: An arrangement for a fiber optic microphone having at least one pair of optical fibers, each having an input end portion and an output end portion made of a material having a critical refractive angle θcrit and having a numerical aperture NA. The input end portion of a first fiber... Agent: Ladas & Parry

20090123111 - Optical fiber grating sensors and methods of manufacture: Systems and methods comprise or involve optical fibers having Bragg gratings. The optical fibers can be assembled in a parallel manner into a fiber sensor configuration. Bragg gratings can be written onto different cores of optical fibers. Bragg gratings may be written at a same or nearly same axial position... Agent: VistaIPLaw Group LLP

20090123110 - Surface temperature sensing system: A sensor apparatus for sensing parameters of an object may include at least one optical fiber, one or more attaching members and a tensioner. The one or more attaching members may be coupled to the optical fiber and may attach the one optical fiber to an object. The tensioner may... Agent: Baker Botts L.L.P. Patent Department

20090123113 - Shared slab awg circuits and systems: Planar AWG circuits and systems are disclosed that use air trench bends and shared MMI slabs to increase planar circuit compactness.... Agent: Utah Valley Patent Services, LLC

20090123114 - Offset launch mode from nanotaper waveguide into multimode fiber: One or more nanotaper coupling waveguides formed within an optical substrate allows for straightforward, reproducible offset launch conditions to be achieved between an incoming signal and the core region of a multimode fiber (which may be disposed along an alignment fixture formed in the optical substrate), fiber array or other... Agent: Wendy W. Koba, Esq.

20090123115 - Drop terminal releasable engagement mechanism: A terminal for mounting to a fiber distribution cable includes a base and a cover releasably engaged to the base by a releasable engagement mechanism. The releasable engagement mechanism includes a resilient latch having a base end and a free end. The free end defines a plurality of openings. The... Agent: Merchant & Gould PC

20090123117 - Optical fiber connector with improved fastening member: An optical fiber connector (100) includes an insulative housing (1) defining a receiving chamber (170), an optical fiber member (2) received in the receiving chamber (170) and a fastening member (5) fixed to the insulative housing (1). The insulative housing defines a receiving space (16) communicating with the receiving chamber... Agent: Wei Te Chung Foxconn International, Inc.

20090123116 - Optical transceiver with frame ground and signal ground isolated with parallel plate capacitor: A technique is disclosed for an optical transceiver, where the frame ground is electrically isolated from the signal ground in a low frequency region and is conducted in a high frequency region, without applying a capacitor as a substantial circuit component. The transceiver includes a TOSA whose housing is grounded... Agent: Michael A. Makuch, Esq. Smith, Gambrell & Russell, LLP

20090123118 - Integrated optical interconnect: An integrated optical interconnect. The integrated optical interconnect includes a receptacle for connecting to a first external component. The receptacle includes an EMI shield with an aperture sized to allow transmission of an optical signal through the aperture while containing EMI within the receptacle. The integrated optical interconnect also includes... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090123119 - Hydrocarbon monitoring cable with an absorbing layer: A hydrocarbon monitoring cable including resistance to development of defects in a fiber optic core thereof. The core defect resistance may be in the form of resistance to defect causing agents of a downhole environment such as hydrogen. This may be obtained through the use of a carbon layer about... Agent: Schlumberger Ipc Attn: David Cate

20090123120 - Stimulated raman scattering suppressing waveguide configuration: An apparatus in one example has: a fiber having a representative refractive index profile, the refractive index profile having at least a core and a pedestal; and the fiber having a modal index in the core that is greater than a modal index of the pedestal at a predetermined signal... Agent: Patti, Hewitt & Arezina LLC

20090123121 - Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers: Various embodiments described herein include rare earth doped glass compositions that may be used in optical fiber and rods having large core sizes. Such optical fibers and rods may be employed in fiber lasers and amplifiers. The index of refraction of the glass may be substantially uniform and may be... Agent: Knobbe Martens Olson & Bear LLP

20090123122 - Optical fibers and optical transmission systems: Optical fibers and optical transmission systems, which are capable of broadband and large capacity single-mode optical transmission, and have low macrobends are provided. The optical fiber made from pure silica comprising a core region, a cladding region at the circumference of the core region a coating layer made from a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090116781 - Optical waveguide device: It is an object of the invention to realize an optical waveguide device having multiple functions or high performance, to improve the productivity of products, and to provide an optical waveguide device capable of suppressing deterioration of an operating characteristic of the optical waveguide device. An optical waveguide device includes:... Agent: Chapman And Cutler

20090116782 - Novel optical sensor for measuring thin film disposition in real time: A novel optical sensor is used for monitoring the thickness of deposited thin film in real time. The sensor operates on the basic principle of a Fabry-Perot interferometer. A MEMS based design is used to fabricate the optical fiber sensor. Detail analytical results provide the theoretical model based on the... Agent: Attn: Michael J. Foycik, Jr., Esq. Mauro Law Offices, P.C.

20090116783 - Optical sensor: An optical sensor (1) includes a sensor chip member (2) having an optical waveguide layer (21), a combination of an incidence end grating (22a) and an output end grating (22b) spaced from each other, in contact with the optical waveguide layer (21), and a reaction reagent (23) provided on the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090116784 - Large tolerance fiber optic transmitter and receiver: An optical transmitter relaxes the tolerance between a source assembly and a fiber receptacle to facilitate passive alignment. The source assembly includes a light source and a lens. The lens is held at a fixed distance away from the light source using precise support structures typically formed by photolithographic processes.... Agent: Kathy Manke Avago Technologies Limited

20090116785 - Device for delaying an optical signal: An apparatus and method for providing a delay to an optical signal including a Latin router having a plurality of input ports, including at least one signal-input port, and a plurality of output ports, including at least one signal-output port, and a plurality of optical waveguides, each connecting one of... Agent: Staas & Halsey LLP

20090116786 - Multi-channel dispersion compensator: A multi-channel dispersion compensator comprising an optical signal waveguide that forms an input end for receiving an optical signal and an output end for providing a filtered optical signal. The multi-channel dispersion compensator also includes a series of closed-loop resonators providing frequency delay to at least one channel of the... Agent: Infinera Corporation

20090116788 - Controlling optical resonances via optically induced potentials: Influence of distance between two coupled strong-confinement photonic devices on optically resonant condition thereof and/or on optical forces.... Agent: Goodwin Procter LLP Patent Administrator

20090116787 - Optical waveguide device and method for fabricating optical waveguide device: An optical waveguide device in which optical loss is reduced while reducing fabrication cost. Inclining faces (13, 14) of 45° are formed at the opposite ends of an optical guide member (2), and mirrors (15, 16) coated with gold are provided to cover parts of the inclining faces (13, 14)... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090116790 - Highly efficient optical gratings with reduced thickness requirements and impedance- matching layers: An optical grating comprising a grating layer and two surface layers, the layers being arranged with the grating layer between the surface layers. The grating layer comprises a set of multiple, discrete, elongated first grating regions that comprise a first dielectric material and are arranged with intervening elongated second grating... Agent: David S Alavi

20090116789 - Tunable optical dispersion compensating apparatus: A tunable optical dispersion compensator (TODC) having a silica arrayed-waveguide grating (AWG) directly coupled at its input to a Mach-Zehnder interferometer device and at its output to a polymer thermo-optic lens.... Agent: Brosemer, Kolefas & Associates, LLC (alu)

20090116791 - Coupling device for a light guide: A coupling device includes a first coupling element having a first passage, and an end section connected to the free end of the light guide; as well as a second coupling element with a second passage for holding/fixing an intermediate section following the end section of the light guide. In... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090116792 - Self-aligning optical connector systems and methods: Self-aligning optical connectors, systems, and methods for connecting optically-transmissive elements are described. In one embodiment, a connector includes a first component, a second component connected to the first component, and an optomechanical element. The optomechanical element is positioned adjacent and between said first and second components such that a portion... Agent: Lee & Hayes, PLLC

20090116793 - Optical connector: An optical connector of a fitting pin positioning type includes multiple optical fiber insertion holes arranged in one row and fitting holes or fitting pins. The fitting holes or the fitting pins for positioning are respectively disposed on mutually opposite sides of a straight line connecting centers of the optical... Agent: Sughrue Mion, PLLC

20090116794 - Optical connector assembling jig: An assembling jig for assembling an optical connector is provided. The optical connector has a pair of beam portions having elasticity and adapted to hold a ferrule holding an optical fiber. The assembling jig includes a body portion, an optical connector receiving portion movably held by the body portion and... Agent: Collard & Roe, P.C.

20090116795 - Optical waveguide device: To provide a wiring technique which can easily realize the high speed communication between apparatuses and the conventional electrical communication at a low cost. The optic cable constituted of the core unit 12 and the clad unit 13 is extended on the film substrate 11, the photoelectric conversion element 15... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090116796 - Optical cable and method for the production of an optical cable: An optical cable comprises a cable core (100) containing at least one optical transmission element (10a, 10b). The cable core (100) is free of filler composition. It contains, as optical transmission elements, a plurality of tight-buffered conductors (10a) or a plurality of bundle conductors (10b) which are arranged around a... Agent: Corning Incorporated

20090116797 - Optical cable and method for production of an optical cable: An optical cable comprises a cable core (100) containing optical transmission elements (10) surrounding a centrally arranged strain relief element (20). Yarns (31) are arranged as a further strain relief element in a manner surrounding the cable core (100). The entire arrangement is surrounded by a cable sheath (400). A... Agent: Corning Incorporated

20090116799 - Manufacturing method of optical waveguide device and optical waveguide device obtained thereby: A manufacturing method of an optical waveguide device which is capable of easily and precisely aligning the optical axis of a light receiving and emitting element and the optical axis of an optical waveguide and capable of shortening manufacturing time, and to provide an optical waveguide device obtained thereby. An... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090116798 - Optical guide including nanoparticles and manufacturing method for a preform intended to be shaped into such an optical guide: m

20090116800 - Large mode area fiber amplifiers with reduced stimulated brillouin scattering: A large mode area fiber amplifier suitable for high power applications includes a core region specifically configured to allow for high power operation while also limiting the amount of SBS that is generated. The composition of the core region is selected to include a dopant (such as aluminum) in selected... Agent: Wendy W. Koba, Esq.

20090116801 - Flexible optical device: A flexible and optionally highly elastic waveguide capable of propagating and emitting light is disclosed. The flexible waveguide comprises a flexible material having a surface and an end, wherein a first portion of the light is emitted through at least a portion of the surface of the flexible waveguide, and... Agent: Martin D. Moynihan D/b/a Prtsi, Inc.

20090116802 - Optical control device and manufacturing method thereof: The purpose of present inventions is to provide an optical control device having a single-mode waveguide in the optical control device having the ridge waveguide, and to stably manufacture and provide the optical control device having the single-mode waveguide with high precision even when the substrate is a thin plate... Agent: Chapman And Cutler

20090116803 - Optical waveguide device and manufacturing method thereof: An optical waveguide device which includes an optical waveguide part and a photonic device mounting part is provided. A mask to form a pedestal block on which a light emitting device is mounted is patterned after high-temperature annealing. Thus, there is no influence on the mask, even if the device... Agent: Sughrue Mion, PLLC

20090116804 - Integrated device for heat assisted magnetic recording: An apparatus includes a first waveguide configured to focus an electromagnetic wave to a focal region, and a second waveguide to further condense the light to an optical spot. The second waveguide includes a metallic structure defining an opening having one end positioned adjacent to the focal region and a... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20090116805 - Scalable semiconductor waveguide amplifier: One embodiment of the present method and apparatus encompasses an apparatus that may have: a predetermined length, the self-imaging semiconductor waveguide having first and second opposed sides; quantum wells disposed within the self-imaging semiconductor waveguide along the length of the self-imaging semiconductor waveguide, the quantum wells being formed of a... Agent: Patti, Hewitt & Arezina LLC

20090116806 - Fiber optic splitter module: A telecommunications assembly includes a chassis and a plurality of fiber optic splitter modules mounted within the chassis. Each splitter module includes at least one fiber optic connector. Within an interior of the chassis are positioned at least one fiber optic adapter. Inserting the splitter module through a front opening... Agent: Merchant & Gould PC

20090116807 - Modular separating box for light guides and a system of modular separating boxes for light guides: A modular separating box for light guides having a receiving chamber, and/or a sending chamber, and/or a connection chamber enclosed by individual doors is disclosed. The modular separating box has at least one wall with at least one movable plate. The modular separating box also has at least one connection... Agent: Corning Incorporated

20090116808 - Copolymer and polymerizable composition: m

20090116809 - Amplifying optical fiber operating at a wavelength in the range of 1000-1700 nm, methods of fabricating the same, and fiber laser: The invention relates to lasers and fiber optics. An amplifying optical fiber operating at a wavelength in the range of 1000-1700 nm comprises an oxide glass core to provide amplification and at least one oxide glass cladding. According to the invention the core contains oxides of elements selected from the... Agent: Womble Carlyle Sandridge & Rice, PLLC