Optical waveguides inventions 09/09

20090238511 - Nanoparticle-based quantum confined stark effect modulator: An optical modulator includes a first layer that is transparent or semitransparent over a range of optical wavelengths; a modulation layer made from nanoparticles embedded in a matrix; a first electrode and a second electrode that create an electrical field that passes through the modulation layer. A method for forming... Agent: Hewlett Packard Company

20090238510 - Optical amplitude modulation system capable of cancelling high order component: It is an object of the present invention to provide a DSB-SC system capable of suppressing a third order component. The DSB-SC modulation having high extinction ratio can be realized by adjusting the first order component, which is generated by applying a modulation signal (3fm), and the third order component,... Agent: Myers Wolin, LLC

20090238512 - Optical device: According to an aspect of an embodiment, an optical device comprising: a first modulator for independently modulating first light having a first predetermined polarization mode; a second modulator for independently modulating second light having a second predetermined polarization mode; and a polarization beam coupler having a first port, a second... Agent: Staas & Halsey LLP

20090238514 - Optical waveguide having grating and method of forming the same: An optical waveguide and process for forming an optical waveguide are provided. The optical waveguide includes a first cladding layer; a first waveguide core formed on the first cladding layer, the first waveguide core comprising a first long period grating formed in at least one sidewall of the first waveguide... Agent: Sughrue-265550

20090238513 - Wdm-based sensor system and sensor interrogation system: A WDM based sensor system, a method of interrogating a plurality of sensor elements, and a WDM based sensor interrogation system. The WDM based sensor system comprises a WDM MUX/DEMUX element for demultiplexing an optical input signal into a plurality of substantially non-overlapping signals in respective sensing channels; one or... Agent: Townsend And Townsend And Crew, LLP

20090238515 - Tunable ring resonator: A ring resonator has a first optical waveguide arranged in a loop, a second optical waveguide tangentially optically coupled to the first optical waveguide, and a translatable body configured to selectively move into an evanescent field region of said first optical waveguide.... Agent: Hewlett Packard Company

20090238516 - Substrates for optical die structures: Package substrates for optical die structures are generally described. In one example, an apparatus includes a package substrate having one or more plated through hole (PTH) structures, an optical waveguide coupled with the package substrate, the optical waveguide having one or more input/output (I/O) optical signal pathways to route I/O... Agent: Cool Patent, P.C. C/o Cpa Global

20090238517 - Monolithically integrated optical devices with amorphous silicon arrayed waveguidi 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: Drinker Biddle & Reath Attn: Intellectual Property Group

20090238518 - Hybrid fiber/copper connector system and method: A hybrid fiber/copper connector assembly which permits repair of damaged fibers or copper conductors carried by a hybrid fiber/copper cable without requiring replacement of the entire connector assembly or the cable is disclosed. The hybrid fiber/copper connector assembly disclosed also allows individual hybrid fiber/copper connectors of the assembly to be... Agent: Merchant & Gould PC

20090238519 - Hybrid fiber/copper connector system and method: A hybrid fiber/copper connector assembly which permits repair of damaged fibers or copper conductors carried by a hybrid fiber/copper cable without requiring replacement of the entire connector assembly or the cable is disclosed. The hybrid fiber/copper connector assembly disclosed also allows individual hybrid fiber/copper connectors of the assembly to be... Agent: Merchant & Gould PC

20090238520 - Quick release connection: Systems and methods are disclosed that include a fiber optic connection with an alignment chamber. In the alignment chamber is a first fiber optic terminal and a second fiber optic terminal coupled to the first fiber optic terminal. In addition, a securing mechanism is placed within the alignment chamber and... Agent: Docket Clerk

20090238522 - Field terminatable fiber optic connector assembly: A fiber optic connector assembly includes a connector and a carrier. The connector, defining a longitudinal bore extending through the connector and having a first end region and a second end region, includes a ferrule assembly, having an optical fiber extending through the connector, at least partially disposed in the... Agent: Merchant & Gould PC

20090238521 - High power optical connector and optical fiber system using the same: This high power optical connector is used at least on a light-receiving side of an optical fiber. The high power optical connector is provided with: a housing; a ferrule which is accommodated in the housing to retain the optical fiber; and a flange which is connected and fixed to the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090238524 - Apparatus for thermal connection of optical fibers, and method for thermal connection of optical fibers: Disclosed is an apparatus for thermal connection of at least two optical fibers having a first positioning unit associated with the first optical fibers and a second positioning unit associated with the second optical fibers. The positioning units move ends of the first and of the second optical fibers relative... Agent: Corning Incorporated

20090238523 - Holder, fusion-splicing apparatus, and manufacturing method of optical connector: A holder for holding a connector plug equipped with an optical connector ferrule to which a short optical fiber is fitted and a plug frame for covering an outer periphery of the optical connector ferrule therein, wherein, when the short optical fiber together with the holder is fitted to a... Agent: Mcdermott Will & Emery LLP

20090238525 - Production method of preform of plastic optical member and plastic optical fiber: Polymerizable composition, whose main component is MMA, is injected into a clad tube (12) of PVDF. Then the clad tube (12) is inserted into a polymerization reactor (33). Three heaters (35a to 35c) are arranged along the longitudinal direction of the polymerization reactor (33). The set temperature of the heater... Agent: Sughrue Mion, PLLC

20090238526 - Optical transmission fiber with thermal management for high power applications: An optical transmission fiber including a core having a first index of refraction, a cladding material located around the core and having a second index of refraction less than the first index of refraction, a first coating material located around a first portion of the cladding material and having a... Agent: Hitt Gaines, PC Alcatel-lucent

20090238528 - Methods for fabricating color-center-based quantum computer architectures: Various embodiments of the present invention are directed to color-center-based quantum computer architectures that are both scalable and defect tolerant and to methods for fabricating color-center-based quantum computer architectures. In one embodiment of the present invention, a node of a quantum computer architecture comprises a first photonic device configured to... Agent: Hewlett Packard Company

20090238527 - Ring flash adapter: A ring flash adapter of the flash uses a clamping device attached to the external flash of the camera, and using the lightguide (1) the, light can be transmitted from the flash into the circular body. The lightguide has a flat circle and a head with an incidence surface and... Agent: Ladas & Parry LLP

20090238529 - Fiber optic splitter carrier: A carrier for a fiber optic cable splitter having a fastener and orienting a cable splitter is disclosed. A fiber distribution hub having a mounting plate with a fiber optic cable splitter carrier and splitter attached and a method of installing fiber optic cable in a fiber distribution hub are... Agent: Harness, Dickey, & Pierce, P.l.c

20090238533 - High density telecommunications chassis with cable management structure: A telecommunications chassis is disclosed herein. The chassis includes a housing defining a front end, a rear end and an interior, the chassis housing telecommunications equipment within the interior, cables connected to the telecommunications equipment configured to exit through the rear end. The housing is configured for mounting to a... Agent: Merchant & Gould PC

20090238532 - Telecommunication rack unit tray: An interface panel that mounts to a telecommunications rack. The interface panel including a splicing arrangement and a splitter module. The interface panel further including a fixed tray to which each of the splicing arrangement and the splitter module mounts. The splicing arrangement and the splitter module each having a... Agent: Merchant & Gould PC

20090238530 - Universal fiber distribution hub: A fiber distribution assembly includes a fiber distribution hub for housing a plurality of feeder fiber optic cables and distribution fiber optic cables. The fiber distribution hub is adapted for mounting in a telecommunications pedestal. A method of using a fiber distribution hub adapted for a plurality of different mounting... Agent: Harness, Dickey, & Pierce, P.l.c

20090238531 - Wall box adapted to be mounted at a mid-span access location of a telecommunications cable: A wall box includes an enclosure having a base and a cover connected to the base. The base and the cover enclose an interior region. The wall box further includes a plurality of fiber optic adapters mounted to the enclosure. The fiber optic adapters include an inner port positioned inside... Agent: Merchant & Gould PC

20090238534 - Cable pulling assembly: A cable pulling assembly includes a pulling sleeve, which includes a bore, and a base assembly. The base assembly is selectively engaged with the bore of the pulling sleeve. The base assembly includes a first base member and a second base member. The first and second base members cooperatively define... Agent: Merchant & Gould PC

20090232438 - Low-speckle light source device: A laser light source device which can inexpensively achieve a visually recognizable level of speckle reduction is disclosed. The laser light source device includes: a laser module including a light source and a first optical waveguide, wherein light emitted from the light source is outputted from an output end of... Agent: Sughrue Mion, PLLC

20090232439 - Optical modulators: An optical modulator having an optical modulation part and a connection part for an optical fiber propagating light. The optical modulation part has a modulation substrate of an electro-optic material, a modulation optical waveguide formed on the modulation substrate, a high frequency interaction part for applying a voltage to the... Agent: Burr & Brown

20090232440 - Dsb-sc modulation system capable of erasing carrier and secondary component: It is an object of the present invention to provide an optical modulation system capable of suppressing a carrier component (f0) and a high order component (such as a second order component (f0±2fm)). The optical modulation system includes Mach-Zehnder waveguide (8), a first intensity modulator (9) provided on a first... Agent: Osha Liang L.L.P.

20090232441 - Polarized light mode converter: The present invention provides a polarized light mode converter which can be provided within a two-dimensional photonic crystal or can be smoothly connected to a two-dimensional photonic crystal. In a two-dimensional photonic crystal made of a slab-like main body provided with a plurality of different refractive index regions (for example,... Agent: Oliff & Berridge, PLC

20090232442 - Phase shift optical loop spectroscopy: The invention provides a method and apparatus for measuring one or more optical properties, such as absorbance and refractive index, of a test medium such as a gas, a liquid, or solid material. The method comprises providing a passive optical waveguide loop comprising the test medium, launching in the optical... Agent: Parteq Research & Development Innovations

20090232443 - Connection structure of two-dimensional array optical element and optical circuit: Optical elements (light sources 16 or photodetectors 18) are arranged in a two-dimensional array, and the relative positional relationship between the optical elements and optical waveguides 12 is defined such that optical waveguides 12 extend between the optical elements in the two-dimensional array substantially parallel to substrate 19 for increased... Agent: Sughrue Mion, PLLC

20090232445 - Optical waveguide device, optical integrated device and optical transmission device: An optical waveguide device including a first waveguide, a plurality of second waveguides, and a tapered waveguide including a first end connected to the first waveguide and a second end connected to the plurality of second waveguides and configured to receive input of single-mode light from the first waveguide, the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090232444 - Three-dimensional periodic structure including anti-reflection structure and light-emitting device: The three-dimensional structure includes first and second waveguides, a resonator, a first region. The waveguides cause light to propagate therein in a first guide mode. The second waveguide and the first region are mutually connected such that at least part of the light propagating in the second waveguide is coupled... Agent: Fitzpatrick Cella Harper & Scinto

20090232446 - High port count instantiated wavelength selective switch: A high port count instantiated wavelength selective switch comprising two or more discrete sets, or instances, of m fiber ports totaling N fiber ports co-packaged together, one or more shared optical elements and dispersive elements, and one or more steering elements in each instance. The steering elements steer λ(k) from... Agent: Balser & GrellIPLaw LLC

20090232447 - Methods and apparatus for constructing large wavelength selective switches using parallelism: Optical networks are increasingly employing optical network nodes having multiple interfaces to allow a node to direct optical signals received at any interface to any other interface connected to the node. Constructing a larger wavelength selective switching (WSS) module used in such a node can be complex and expensive. A... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20090232448 - Fiber optic multiplexer: A fiber optic multiplexer comprises a stationary frame to which primary and secondary optical fibers are attached, a rotary frame to which both ends of a transfer optical fiber are attached, and a means of rotating the rotary frame through a predetermined angle relative to the stationary frame. The primary... Agent: D. Morgan Tench

20090232449 - Erbium-doped silicon nanocrystalline embedded silicon oxide waveguide: An erbium (Er)-doped silicon (Si) nanocrystalline embedded silicon oxide (SiOx) waveguide and associated fabrication method are presented. The method provides a bottom layer, and forms an Er-doped Si nanocrystalline embedded SiOx film waveguide overlying the bottom layer, having a minimum optical attenuation at about 1540 nanometers (nm). Then, a top... Agent: Sharp Laboratories Of America, Inc. C/o Law Office Of Gerald Maliszewski

20090232451 - Light transmitting/receiving device: An optical transmitting and receiving device enabling incident light from an exterior to be detected with high precision is provided. With an optical transmitting and receiving device 1, a groove 28, passing between an opening 22 and a pinhole 23 as viewed from a front and having both ends open... Agent: Drinker Biddle & Reath (dc)

20090232450 - Simple fiber optic cavity: A novel Fabry-Perot resonance cavity has been recognized. This cavity is formed by simple planar and concave mirrors that attached at the fiber ends. The concave mirror is precisely aligned to the core of the fiber. The concave lens is fabricated on the thin polymer film by making an indentation... Agent: Youngmin A. Choi

20090232452 - Bi-directional optical module: An inexpensive optical bi-directional module by which diffraction efficiency of light beams having different wavelengths can be maximized at different diffraction orders, respectively, and light utilization efficiency is enhanced. The optical bi-directional module comprises a light emitting element for transmitting an optical signal toward the end of an optical fiber,... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090232453 - Tapered fiber retroreflector: An expanded-beam all-glass retroreflector for a fiber laser cavity. The retroreflector consists of a section of a tapered double-clad fiber for beam expansion, e.g. a tapered section of the laser fiber itself, or a piece of coreless fiber spliced to the laser fiber, and a reflective surface for reflection of... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20090232454 - Vacuum optical fiber connector and optical fiber terminal structure: A vacuum optical fiber connector includes a port flange attached to a vacuum flange for housing a first waveguide connector to which an optical fiber bundle is attached, an optical transparent body placed on the outside of the port flange, and an attachment member formed with a fit shape relative... Agent: Oliff & Berridge, PLC

20090232455 - Multi-port adapter block: An adapter block constructed to mount to more than one mounting configuration of a telecommunications panel. The adapter block including a housing constructed to slide mount to a panel, and pivot mount to a panel from either a front or a rear of the panel. The housing including flexible levers... Agent: Merchant & Gould PC

20090232456 - Mini optical subassembly: A low-cost, high-speed micro-connector replacement for current electrical inter-connects and intra-connects on printed circuit boards is provided. The invention achieves its goal by including an optical transmitter module or optical receiver module mounted in close proximity to a modulator used to encode optical signals from electrical impulses or decode optical... Agent: Wyatt, Tarrant & Combs, LLP

20090232458 - Optical waveguide splice apparatus and method for performing a splice of at least two optical fibers: An optical waveguide splice apparatus, comprises a camera adapted to record an image of at least two optical waveguides, a screen, a control unit coupled to the screen to generate a display representation to be displayed on the screen, wherein the display representation comprises a first region comprises a first... Agent: Ccs Technology Inc.

20090232457 - Splicer with splicing cassette carrier: A splicer comprises a chassis with an opening in which a splicing unit for splicing of optical waveguides is arranged. The splicer can be controlled via a control and display apparatus. A splicing cassette carrier is arranged rotatably on the chassis. The splicing cassette carrier is designed such that it... Agent: Corning Incorporated

20090232459 - Optical transmission hinge apparatus: An optical transmission hinge apparatus includes a first hinge portion for pivotally interconnecting a first casing and a second casing about a first axis, a first optical device provided in the first casing, a second optical device provided in the second casing and an optical guide path member for interconnecting... Agent: The Webb Law Firm, P.C.

20090232460 - 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

20090232461 - Optical fiber and optical fiber ribbon: The optical fiber is an optical fiber coated with at least two layers of coating resin, wherein the outermost coated coating resin is a colored layer made of color resin and when the optical fiber is immersed in water which is heated to 60° C. for 168 hours, an extraction... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090232462 - Nonlinear crystal and waveguide array for generation of terahertz radiation: Techniques for generating terahertz (THz) radiation are provided in which each nonlinear crystal in an array of such crystals is coupled to one or more corresponding waveguides such that any THz radiation generated in any single crystal is coupled into that crystal's THz waveguide structure. After the THz radiation is... Agent: Bae Systems

20090232463 - Low loss optical fiber designs and methods for their manufacture: The specification describes an improved optical fiber produced by a hybrid VAD/MCVD process. The core of the fiber is produced using VAD and the inner cladding layer has a depressed index and is produced using MCVD. In preferred embodiments, the optical power envelope is essentially entirely contained in VAD produced... Agent: Law Office Of Peter V.d. Wilde

20090232464 - Photonic devices having degenerate spectral band edges and methods of using the same: Provided herein are photonic devices configured to display photonic band gap structure with a degenerate band edge. Electromagnetic radiation incident upon these photonic devices can be converted into a frozen mode characterized by a significantly increased amplitude, as compared to that of the incident wave. The device can also be... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20090232465 - Optical waveguide device and method for fabricating optical waveguide device: An optical waveguide device in which optical loss is reduced. An optical waveguide film cable (1) is constituted of a light-emitting element (3), a light-receiving element (5), and an optical guide member (6). The optical guide member (6) has a film-like shape and a substantially U-shaped core section (10) is... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090232466 - Cover for optical fibers and/or optical devices: Apparatus and methods are provided for controlling a light emission from an end of an optical fiber by utilizing a cover that blocks the light emission at the fiber end, a detector situated between the fiber end and the cover that detects the blocked emission, and a signaling device, such... Agent: Verizon Patent Management Group

20090232467 - Printed circuit board for optical waveguide and method of manufacturing the same: Disclosed herein is a printed circuit board for an optical waveguide, including a base board, and an optical waveguide formed on the base board. The optical waveguide includes a lower clad layer formed on the base board, an insulation layer formed on the lower clad layer and having a core-forming... Agent: Staas & Halsey LLP

20090226127 - Optical chemical detector and method: An apparatus and method for optically detecting the presence of an analyte in a solution is presented. An embodiment comprises a waveguide resonator that is optically coupled to a fluid in a fluidic conduit so that the resonant wavelength of the waveguide resonator is based on the refractive index of... Agent: Demont & Breyer, LLC

20090226128 - Single piece fabry-perot optical sensor and method of manufacturing the same: An optical sensor and a method of manufacturing such as sensor are provided. The sensor includes a lead optical fiber with a single piece optical element joined permanently joined to its forward end. The optical element defines a spacer with a cavity therein at one end, and a diaphragm at... Agent: Mcdermott Will & Emery LLP

20090226129 - Integrated optical signal handling device: An integrated optical signal handling device comprises a substrate; a lightguiding waveguide formed in or on the substrate, the waveguide being arranged to carry an input optical signal; a resonator cavity region formed in or on the substrate, of a material having a rate of change of refractive index with... Agent: Wilson Sonsini Goodrich & Rosati

20090226130 - Optical transceiver module with optical windows: An optical module. The optical module includes an opto-chip. The opto-chip includes an integrated circuit with optical windows and a plurality of optoelectonic devices positioned in alignment with the optical windows. The plurality of optoelectronic devices are flip chip attached to the integrated circuit.... Agent: Duke W. Yee

20090226131 - Fiber optic rotary coupler: A fiber optic rotary coupler is invented using both single mode and multi-mode optic fibers. This device has a rotatable optic fiber and a stationary optic fiber in an assembly to convey a light beam in the optic fibers. The assembly also includes a stationary fiber holder for fixing the... Agent: Lu & Associates, P.C.

20090226132 - Plasmon gate: A variety of structures, methods, systems, and configurations can support plasmons for logic.... Agent: Searete LLC Clarence T. Tegreene

20090226133 - Low-noise optical transmitter: A device comprising: an optical subassembly has a lens rear surface including one or more facets for scattering at least some of the light transmitted through the lens rear surface.... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20090226134 - Optical element and system using the same: An optical element may include a first diffractive structure having a radially symmetric amplitude function and a second diffractive structure having a phase function. The second diffractive structure may serve as a vortex lens. A system employing the optical element may include a light source and/or a detector.... Agent: Digital Optics Corporation

20090226135 - Measureing the position of passively aligned optical components: Optical components may be precisely positioned in three dimensions with respect to one another. A bonder which has the ability to precisely position the components in two dimensions can be utilized. The components may be equipped with contacts at different heights so that as the components come together in a... Agent: Intel Corporation C/o Cpa Global

20090226136 - Optical receptacle and optical receptacle module: An SC-type optical receptacle includes a first and a second holder each having a hollow chamber longitudinally penetrating therethrough, and a hollow cylindrical sleeve fitted in the chamber of the holders to thereby retain the frontal facets of a pair of ferrules so as to keep the frontal facets butted... Agent: Sughrue Mion, PLLC

20090226137 - Miniature mechanical transfer optical coupler: A miniature mechanical transfer (MT) optical coupler (“MMTOC”) for optically connecting a first plurality of optical fibers with at least one other plurality of optical fibers. The MMTOC may comprise a beam splitting element, a plurality of collimating lenses, and a plurality of alignment elements. The MMTOC may optically couple... Agent: Hovey Williams LLP

20090226138 - Fibre-optic module: A fibre-optic module incorporating a semiconductor optical amplifier is compatible with a standard specification for a fibre-optic transceiver module, which is typically pluggable. The module comprises optical connectors capable of connection to first and second optical fibres and being in accordance with said standard specification and the input optical signal... Agent: Harness, Dickey & Pierce, P.L.C

20090226139 - Optoelectronic component and optical subassembly for optical communication: An optoelectronic component and an optical sub-assembly for optical communication. The optoelectronic component has a housing and one end formed with an opening. An optoelectronic device is located in the housing and faces the opening. A barrel is combined with the optoelectronic component to form the optical sub-assembly, and the... Agent: Charles E. Baxley, Esquire

20090226140 - Fiber optic connector removal clips: A removal clip is provided for disconnecting a fiber optic connector from an array of installed fiber optic connectors. The removal clip includes an engagement portion for engaging the connector and a force transmitting structure that allows digital removal force from a user to be applied at a distance from... Agent: Molex Incorporated

20090226141 - Optical fiber adapter with shutter member: An optical fiber adapter is provided. The adapter includes a plurality of walls which defines an accommodation room adapted for being coupled with an optical fiber connector. A protrusion in the accommodation room is disposed on one of the walls. The adapter further includes a shutter member having a first... Agent: Lowe Hauptman Ham & Berner, LLP

20090226143 - Fiber distribution hub having an adjustable plate: A fiber distribution hub includes a cabinet having a panel with an adjustable plate disposed on the back panel. The adjustable plate is selectively moveable between a first position on the back panel and a second position on the back panel to provide space adjacent to cable openings in the... Agent: Merchant & Gould PC

20090226142 - Slide arragement for cable drawer: A drawer slide having first and second rails interconnected by a center rail. The center rail includes a spool configured to provide half-speed travel of the center rail relative to the travel of the first rail. The drawer slide is configured for use with a drawer assembly having a drawer... Agent: Merchant & Gould PC

20090220184 - Electro-optical modulator structure: The present invention discloses an ultra-compact optical modulator comprising at least one resonator on a semiconductor chip. The EO modulator modulates incoming light having a certain wavelength range and comprises a waveguide layer accommodating at least one resonator having a periodic complex refraction index distribution structure defining a periodic defect... Agent: Houston Eliseeva

20090220185 - Light modulating device: The present invention provides an MZ light modulator that can be operated with both of a negative chirp characteristic and a zero chirp characteristic by a single device. The MZ light modulator has first and second waveguides that respectively waveguide two branched lights equal in intensity and perform optical phase... Agent: Volentine & Whitt PLLC

20090220186 - Hollow-core photonic bandgap fiber polarizer: A hollow-core photonic bandgap fiber polarizer may include a core, an inner cladding surrounding the core, the inner cladding including a plurality of capillaries, and an outer cladding at least partially surrounding the inner cladding. A section of the capillaries distal to the core is asymmetric relative to a section... Agent: Blanchard & Associates

20090220188 - Fault detection system: A fault detection system for subsea pipeline DEH cable includes fiber optic element(s) (7) provided along the cable section concerned and located outside at least some of the cable insulation (2,3,4). The fiber optic element(s) are adapted to be influenced by fault inducing effects or damages to said cable section,... Agent: Sofer & Haroun LLP.

20090220187 - Rugged fiber optic towed array: A fiber optic towed array is provided. The array includes a flexible core upon which is disposed a semi-rigid mandrel. The semi-rigid mandrel has a helical groove formed therein, in which is disposed an optical fiber, the optical fiber including a plurality of fiber gratings. The mandrel is in turn... Agent: Fulwider Patton LLP

20090220189 - Transmitting light with lateral variation: Input light, such as from an optical sensor or stimulus-wavelength converter, includes one or more light or dark sub-bands. The input light is transmitted, such as through a transmissive layer or transmission component, to obtain effects due to transmission with lateral variation. A detector can, for example, obtain spectral information... Agent: Leading Edge Law Group, PLC/xerox-parc

20090220190 - Leak detector using an optical fibre: A leak detection apparatus comprising an optical fibre sensor (2) arranged to detect leakage of fluid through a hose carcass (6, 8), wherein the sensor is arranged to detect the location of the leak along a section (4) of the hose.... Agent: Mcdonald Hopkins LLC

20090220191 - Photonic integrated circuit employing optical devices on different crystal directions: Consistent with the present disclosure, various optical components are preferably arranged on the surface of a semiconductor substrate such that light propagates in certain components at a direction that is perpendicular to a direction of propagation in other components in order to improve performance and component density.... Agent: Infinera Corporation

20090220192 - Wavelength selective switch with reduced chromatic dispersion and polarization-dependent loss: A reduced polarization-dependent loss optical device utilizing two or more dispersive elements or a single dispersive element and a turning mirror, wherein the optical signal makes two passes through said single dispersive element when reflected from said turning mirror, and wherein the two or more dispersive elements or double pass... Agent: Balser & GrellIPLaw LLC

20090220193 - Waveguide grating optical router suitable for cwdm: A planar optical device useful as a low order wavelength router is realized by using a waveguide grating comprising two curved arrays of opposite curvatures. The diffraction order is determined by the angles of rotation of the two curved arrays, and any nonzero order less than about 30 can be... Agent: Schwabe, Williamson & Wyatt, P.C. Pacwest Center, Suite 1900

20090220194 - Plasmonic antenna feed and coupling method and device: A plasmonic antenna feed and coupling device is disclosed that can include an antenna and a waveguide operatively coupled to the antenna. Surface plasmon polaritons generated on a surface of the antenna can be guided in a plasmonic state from the antenna through the waveguide. A method of plasmonic field... Agent: Buchanan, Ingersoll & Rooney PC

20090220195 - Optical device comprising a compact dispersing system: A fibre optic transmission application, in particular, an optical device that can be incorporated into telecommunications equipment as well as into test and measurement equipment with reduced insertion loss, reduced crosstalk effects and reduced height, with increased versatility in the implementation of optical functions other than multiplexers and demultiplexers. Relates... Agent: Briggs And Morgan P.A.

20090220196 - Stepped connector: A connector is provided. The connector includes a body extending a length along a central longitudinal axis. The body includes first and second elements that each include opposite first and second end portions. A third element is positioned between at least a portion of the first and second elements. A... Agent: Tyco Electronics Corporation

20090220197 - Apparatus and fiber optic cable retention system including same: An apparatus includes a body member that defines a passageway which is configured to receive a rugged fiber optic cable at a first end of the passageway and a fiber optic connector at a second end of the passageway, a first arm member connected to the body member, and a... Agent: Pepper Hamilton LLP

20090220198 - Optical transceiver module and duplex fiber optic connector: Various embodiments of duplex fiber optic connectors and optical transceiver modules are provided. One embodiment comprises an optical transceiver module comprising: an integrally-formed housing having a duplex front port with a pair of alignment holes for receiving a pair of ferrules from a duplex fiber optic connector, the duplex front... Agent: Kathy Manke Avago Technologies Limited

20090220199 - Optical fiber connector: The optical fiber connector includes a connector housing (21), having a splice assembly (13) therein, and an end cap (5) attached to one end of the connector housing (21), from which leads out a primary coating portion (3). A boundary (4c) between a portion of the primary coating portion (3),... Agent: 3m Innovative Properties Company

20090220200 - Optical transceiver module and duplex fiber optic connector: Various embodiments of duplex fiber optic connectors and optical transceiver modules are provided. One embodiment comprises an optical transceiver module comprising: an integrally-formed housing having a duplex front port with a pair of alignment holes for receiving a pair of ferrules from a duplex fiber optic connector, the duplex front... Agent: Kathy Manke Avago Technologies Limited

20090220201 - Fiber-optic arrangement for display devices, in particular having analog or digital displays, and devices provided therewith: The invention relates to a transparent arrangement for a display device, in particular for an analog and/or digital display, having a fiber-optic arrangement which transmits light from an entry face into an exit face, wherein regions, in particular pixels, of an image field lying in front of the entry face... Agent: Demont & Breyer, LLC

20090220202 - Photonic bandgap fiber: A photonic bandgap optical fiber and a method of manufacturing said fiber is disclosed. The photonic bandgap fiber comprises a core region surrounded by cladding region. The cladding region includes a background optical material having a first refractive index, and elements of optical material having a second refractive index higher... Agent: Mcdermott Will & Emery LLP

20090220203 - Apparatus and method for processing at least one optical waveguide: An apparatus for processing at least one optical waveguide comprises a base and a movable part, the movable part being movable with respect to the base. The apparatus comprises a lever, the lever being attached to the base and comprising a notch for holding a cleaved-off part of the at... Agent: Corning Incorporated

20090220204 - Splice revolver, splice module and method of organizing fiber strands in the splice module: A splice revolver is provided for securing a plurality of splices in a splice module. The revolver has a revolver body with a plurality of channels there through for receiving splice sleeves. The revolver body is configured to be rotated by a user so that splice sleeves may be loaded... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090220205 - Wire accommodation apparatus: A wire accommodating apparatus includes a cylindrical portion around which a wire connected to a signal transmission part is wound; a number of wire holding portions which incline externally from the bottom of the cylindrical portion and are disposed pivotably; and a fixed portion formed in the cylindrical portion so... Agent: Katten Muchin Rosenman LLP