Optical waveguides inventions 06/08

20080152277 - Method of fabricating a polarization sorter: A method of fabricating a passive polarization sorter includes the steps of providing first and second waveguides. The first waveguide has an input and an output. The first waveguide supporting at least one guided TE polarized mode of mode ranking mode-i-TE and at least one guided TM polarized mode of... Agent: Dunlap, Codding & Rogers P.c.

20080152278 - Optical circuit board: An optical circuit board which facilitates a mounting process and provides advantageous aspects of electric interconnection and optical interconnection. An optical circuit board comprises a flexible circuit board composed of a film having a flexibility; one or more electric interconnections provided at the flexible circuit board; one or more optical... Agent: Mattingly, Stanger, Malur & Brundidge, P.c.

20080152279 - Mode transformers for low index high confinement waveguides: The mode transforming structure includes a first waveguide structure. A slot waveguide region is coupled to the first waveguide structure. The slot waveguide region includes one or more complementary tapered pairs so near lossless transforming between the first waveguide structure and the slot waveguide region occurs so as to allow... Agent: Gauthier & Connors, LLP

20080152280 - Substrates, systems and methods for analyzing materials: Substrates, systems and methods for analyzing materials that include waveguide arrays disposed upon or within the substrate such that evanescent fields emanating from the waveguides illuminate materials disposed upon or proximal to the surface of the substrate, permitting analysis of such materials. The substrates, systems and methods are used in... Agent: Morgan, Lewis & Bockius LLP (sf)

20080152281 - Substrates, systems and methods for analyzing materials: Substrates, systems and methods for analyzing materials that include waveguide arrays disposed upon or within the substrate such that evanescent fields emanating from the waveguides illuminate materials disposed upon or proximal to the surface of the substrate, permitting analysis of such materials. The substrates, systems and methods are used in... Agent: Morgan, Lewis & Bockius LLP (sf)

20080152282 - Composite polymer fibers: A composite polymer fiber comprises a polymer filler material and a plurality of polymer scattering fibers disposed within the filler material. At least one of the filler material and the scattering fibers is formed of a birefringent material. The refractive indices of the filler material and the scattering fibers can... Agent: 3m Innovative Properties Company

20080152283 - Optical feedthrough assembly for use in implantable medical device: An optical feedthrough assembly is provided that is configured to be disposed through the canister of an implantable medical device. The optical feedthrough assembly comprises a ferrule having an aperture therethrough and an inner surface therethrough. An optical fiber passes through the aperture, and a compression seal stack is disposed... Agent: Medtronic, Inc.

20080152284 - Fiber-optic endface cleaning apparatus and method: A cleaning apparatus (1100) for cleaning an endface (1104) of an optical fiber (1106), wherein a portion of the optical fiber is contained within an interface device (1103) is provided. The cleaning apparatus includes a housing (1114) having an interface portion (1124) adapted to be received by the interface device.... Agent: Christensen, O'connor, Johnson, Kindness, Pllc

20080152285 - Mid module and a method of mounting an optical fibre in an mid module: An MID module with a plug-type connector for an optical fibre with an upper face, edge faces and a lower face, comprising an accommodating channel surrounded by walls for the accommodation of an optical fibre. Here the diameter of the accommodation channel essentially corresponds to that of the optical fibre.... Agent: Kathy Manke Avago Technologies Limited

20080152286 - Optoelectric composite wiring module and information processing apparatus: An optoelectric composite wiring module includes: a pair of optical circuit sections, each including an optical element that performs photoelectric conversion and that receives or outputs an optical signal; an optical wiring section including an optical wiring that transmit the optical signal between the pair of optical circuit sections; and... Agent: Fildes & Outland, P.c.

20080152287 - Fiber optic withy light device: A fiber optic light device includes a power supply, circuit control, light source, fiber optic bunch, and base. The power supply includes a power supply transformer and power cord. The light source can be formed by LEDs or tungsten filament bulbs. The fiber optic bunch is comprised of a bunch... Agent: Eric Hanscom

20080152288 - Optical fiber: An improved optical fiber achieves both reduced bending and microbending losses, as well as a much higher Brillouin threshold, as compared to standard transmission fibers. The optical fiber comprises a core including at least two dopants and having a refractive index difference Δn1 with an outer optical cladding, a first... Agent: Summa, Allan & Additon, P.a.

20080152289 - Optical fiber ribbon splitting tool: An optical fiber ribbon splitting tool for selectively separating optical fibers of an optical fiber ribbon into one or more subsets of optical fibers. The ribbon splitting tool comprises a housing, a shearing device movably mounted within the housing, and an actuator for actuating the shearing device such that a... Agent: Corning Cable Systems Llc

20080152293 - Cable assembly having semi-hardened network access point: The present invention provides a cable assembly comprising a flexible network access point that includes a flexible cover over a mid-span access location, providing environmental protection for the mid-span access location and facilitating installation of a distribution cable. Subsequent to installation, the mid-span access location is exposed and accessed by... Agent: Corning Cable Systems Llc

20080152294 - Container for accommodating optical fiber coil and optical fiber module having the container: A container for an optical fiber coil and an optical fiber module including the container is provided, wherein an excess length portion of a pigtail fiber is accommodated in the container and the remaining portion can be drawn out from the container. The container includes a first part for accommodating... Agent: Global Ip Counselors, LLP

20080152290 - Fiber distribution hub assembly: A fiber distribution hub assembly is provided. The assembly may include a housing, one or more optical splitter devices, and an optical patch panel. The housing may define an interior area for storing the optical splitter devices and the optical patch panel. The optical splitter device is configured to receive... Agent: Verizon Patent Management Group

20080152291 - Optical splitter assembly: Optical splitter assemblies are provided. An assembly may include a housing, one or more fanout elements, an optical splitter element, an input fiber and a plurality of output fibers. The input fiber extends from an input opening of the housing to the optical splitter element. The input fiber carries an... Agent: Verizon Patent Management Group

20080152292 - Preconnectorized fiber optic local convergence points: There is provided fiber optic local convergence points that provide preconnectorized functionality to eliminate all or most of the splicing associated with local convergence points in fiber optic distribution networks. The local convergence points provide a plurality of preconnectorized multi-fiber ports adapted to receive a preconnectorized end of a distribution... Agent: Corning Cable Systems Llc

20080144987 - Optical signal noise suppressor and optical signal noise suppressing method: The present invention provides an optical signal noise suppressor and an optical signal noise suppressing method that can decrease noise components to be superimposed on signal light. The optical signal noise suppressor is a device for suppressing noise caused by SBS which is generated when a signal light propagates from... Agent: Venable LLP

20080144988 - Optical device: An optical device including (a) a substrate having an electro-optic effect; (b) an optical waveguide formed on a surface layer portion of said substrate and including an optical waveguide for performing optical modulation for light inputted to said substrate and an output optical waveguide and a monitoring optical waveguide branched... Agent: Staas & Halsey LLP

20080144989 - Optical switch and optical test apparatus: An optical switch is provided. The optical switch includes: a first distributed-coupling type optical coupler having a first optical waveguide and a second optical waveguide arranged in parallel with each other that outputs an input light inputted to an input end of the first optical waveguide from an output end... Agent: Jianq Chyun Intellectual Property Office

20080144990 - Photonic diode: An element for interacting with electromagnetic radiation is disclosed, including a first self-resonant body, a second self-resonant body, and a directional device interposed between the first self-resonant body and the second self-resonant body. The directional device is adapted to inhibit propagation of electromagnetic radiation from the second self-resonant body to... Agent: Searete Llc Clarence T. Tegreene

20080144991 - Optical transmission system via polarization-maintaining fibres: The invention concerns a polarization-maintaining fiber-optic transmission system. The invention concerns a fiber-optic transmission system comprising at least one polarization maintaining fiber coupling an input device to an output device. The fiber comprises at least a first (F1) and a second (F2) polarization maintaining fiber section having each a slow... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080144992 - Fiber-optic mat sensor: An optical sensor includes a support structure. An optical fiber has a plurality of bends arranged proximate the support structure. The optical fiber follows a circuitous path and is adapted to establish a detection zone.... Agent: Venable LLP

20080144994 - Buried-waveguide-type light receiving element and manufacturing method thereof: A buried-waveguide light detecting element includes an n-type cladding layer on a Fe—InP substrate, a waveguide on a portion of the n-type cladding layer, and in which an n-type light guide layer, an i-light guide layer having a refractive index equal to or higher than that of the n-type cladding... Agent: Leydig Voit & Mayer, Ltd

20080144993 - Optimisation of the number and location of regenerative or non-regenerative repeaters in wavelength division multiplex optical communication links: A method for optimisation of the number and location of regenerative or non-regenerative repeaters in a WDM link made up of N spans connected in a succession of N−1 intermediate sites to form link sections separated by sites containing regenerative repeaters, comprises a step for defining the number of regenerative... Agent: Coats & Bennett, Pllc

20080144995 - Hybrid switch for optical networks: A optical switch and switching system is provided for effecting a switchover from a first optical fiber to a second optical fiber includes a first, large scale switching component and a second, small scale switching component. The first, large scale switching component is configured to establish a cross connect between... Agent: Verizon Patent Management Group

20080144996 - Variable photonic coupler: A system is provided including a first waveguide having an optical input and a first optical output. A second waveguide includes a second optical output. A coupling region is between the first waveguide and the second waveguide. The coupling region controllably couples the first waveguide and the second waveguide when... Agent: Verizon Patent Management Group

20080144997 - Small optical package having multiple optically aligned soldered elements therein: A thermally stable small optical package is disclosed housing optically aligned elements forming an optical component. The elements are all directly soldered to a base member or directly soldered to a supporting member soldered to a common base member. The sealed container has a supporting base member of stainless steel... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.a.

20080144998 - Attaching optical fibers to actuator tubes with beads acting as spacers and adhesives: Methods of attaching optical fibers to actuator tubes in the manufacture of scanning fiber devices are disclosed. In one aspect, a method may include applying a bead to an optical fiber of a scanning fiber device near a proximal end of a free end portion of the optical fiber. Then,... Agent: Blakely Sokoloff Taylor & Zafman

20080144999 - Optical transmission component and production method thereof: An aspect according to the invention provides a method of producing an optical transmission component in which peel-off and a bubble are not generated within a keeping temperature range in a bonding agent with which a space between an optical function portion and an end face of an optical transmission... Agent: Osha Liang L.l.p.

20080145000 - Optical coupling module: An optical coupling module for suppressing optical loss by improving degradation of a wiggle characteristic exhibited upon application of an external force. A sleeve joins end faces of optical fibers. A sleeve casing covers the sleeve to protect the joined surfaces of the optical fibers. A splitting slit portion having... Agent: Staas & Halsey LLP

20080145001 - Fiber service blocker: A device and method of blocking customer access to a fiber optic distribution cable. A service blocker is positioned between a fiber distribution cable and a customer drop cable within a fiber optic adapter. The service blocker includes a unitary body which does not permit optical transmission between the fiber... Agent: Attention Of Alpaslan Sapmaz Merchant & Gould P.c.

20080145004 - Communications device: A communications device may include a connector block. The connector block may include a port. The port may be sized and configured to couple an optical fiber plug. The communications device may include an optical subassembly that may be connected to the connector block. The connector block may include a... Agent: Workman Nydegger

20080145005 - Optical communication module and optical sub-assembly: The present invention provides an optical communication module and an optical subassembly which can suppress leakage of electromagnetic waves. An optical communication module includes: a receptacle section for insertion of an optical connector plug; a casing section which is connected to the receptacle section and houses a circuit board; and... Agent: Mcdermott Will & Emery LLP

20080145003 - Optical connector latch assembly for an optoelectronic module: An optical connector latch assembly for an optoelectronic module that can releasably engage an optical fiber connector that is received in a receptacle of the optoelectronic module. In one example embodiment, an optical connector latch arm includes a base, a shaft extending from the base, and a hook extending from... Agent: Workman Nydegger

20080145002 - Optical subassembly connector block for an optoelectronic module: An optical subassembly (“OSA”) connector block that can accommodate OSAs of a variety of different configurations. In one example embodiment, an OSA connector block includes a body. The body of the OSA connector block includes a first end defining a receptacle, and a second end defining a cavity. The receptacle... Agent: Workman Nydegger

20080145006 - Communications device: A communications device may include a connector block. The connector block may include a port. The port may be sized and configured to couple an optical fiber plug. The communications device may include an optical subassembly that may be connected to the connector block. The connector block may include a... Agent: Workman Nydegger

20080145007 - Electronic device and method for manufacturing the same: An electronic device comprises a hollow housing defining an enclosed cavity therewithin, an electronic unit disposed within the cavity, and a potting compound filling the cavity in the housing and encapsulating at least one electronic component of the electronic unit. The potting material has a compressive strength allowing the electronic... Agent: Berenato, White & Stavish, Llc

20080145008 - Cable assembly with selectively extendable tether: A cable assembly including a fiber optic cable and at least one network access point positioned on the cable at which at least one optical fiber within the cable is accessed and preterminated. The cable assembly comprises a tether adapted to be selectively extended and including at least one tether... Agent: Corning Cable Systems Llc

20080145009 - Buffer tubes with improved flexibility: The present invention provides a communication cable buffer tube having a flexural modulus ranging from about 180 kpsi to about 280 kpsi.... Agent: King & Spalding LLP

20080145010 - Gel-free buffer tube with adhesively coupled optical element: In a buffer tube arrangement, discrete domains of adhesive material provide adhesive coupling of a water-swellable element and an optical fiber bundle that includes a plurality of optical fibers.... Agent: Summa, Allan & Additon, P.a.

20080145011 - Fiber optic cables and assemblies and the performance thereof: A fiber optic cable having at least one optical fiber such as a microstructured bend performance optical fiber disposed within a protective covering. The protective covering is highly flexible and the fiber optic cable has extremely low delta attenuation when aggressively bent compared with the conventional fiber optic cable designs.... Agent: Corning Cable Systems Llc

20080145012 - Two-dimensional photonic crystal having air-bridge structure and method for manufacturing such a crystal: The present invention intends to provide a two-dimensional photonic crystal having a high level of mechanical strength and functioning as a high-efficiency resonator. The two-dimensional photonic crystal according to the present invention includes a slab layer 31 under which a clad layer 32 is located. In the slab layer 31,... Agent: Oliff & Berridge, Plc

20080145014 - Cable manager including nestable radius limiter: A cable radius limiter having a radius limiting surface that prevents damage to cables due to excessive bending. The cable radius limiter includes mounting structure and cable retaining structure arranged such that the limiter can be operably oriented and mounted to a mounting bracket in both a first mounting orientation... Agent: Merchant & Gould Pc

20080145013 - High density fiber optic hardware: There is provided fiber optic hardware and hardware components adapted to provide a desired amount of fiber optic connectivity and/or functionality for a desired amount of volume, materials, etc. The fiber optic hardware components include, but are not limited to multiports, local convergence points (LCPs), particularly LCPs for multiple dwelling... Agent: Corning Cable Systems Llc

20080145015 - Optical waveguide feedthrough assembly: An optical fiber feedthrough assembly includes a glass plug disposed in a recess of a feedthrough housing. The glass plug may define a large-diameter, cane-based, waveguide sealed within the recess in the housing and providing optical communication through the housing. Sealing occurs with respect to the housing at or around... Agent: Patterson & Sheridan, L.l.p.

20080145016 - Photosensitive resin composition for optical waveguides, and optical waveguide and manufacturing method thereof: (in the formulae, each of R1 and R2 is independently a hydrogen atom or an alkyl group having 1 to 12 carbon atoms; R3 is an organic group containing a radical-polymerizable reactive group; X is a single bond or a bivalent organic group; and Y is a non-polymerizable organic group),... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080138009 - Efficient light coupler from off-chip to on-chip waveguides: In an embodiment, light from a single mode light source may be deflected into a low index contrast (LIC) waveguide in an opto-electronic integrated circuit (OEIC) (or “opto-electronic chip”) by a 45 degree mirror. The mirror may be formed by polishing an edge of the die at a 45 degree... Agent: Fish & Richardson, Pc

20080138006 - Hybrid electro-optical circuit board and method for fabricating the same: A hybrid electro-optical circuit board and a method for fabricating the same are provided. The hybrid electro-optical circuit board includes a plate, and a light guiding hole is formed in the plate for connecting an upper surface and a lower surface of the plate. A light-guide device is formed on... Agent: Rabin & Berdo, Pc

20080138008 - Integrated optics arrangement for wavelength (de)multiplexing in a multi-grade vertical stack: The invention describes an integrated-photonics arrangement, implementable in a multi-guide vertical integration structure composed from III-V semiconductors and grown in one epitaxial growth run, that allows for vertical and lateral splitting of optical signals co- or bi-directionally propagating in the common passive waveguide into plurality of the vertically integrated passive... Agent: Freedman & Associates

20080138007 - Optical waveguide and optical module using the same: An optical waveguide contains a core layer in which light is transferred, and a cladding layer that clads the core layer. The core layer has an inclined end surface across a direction where the core layer extends. The inclined end surface reflects light from the core layer to outside or... Agent: Sonnenschein Nath & Rosenthal LLP

20080138010 - Apparatus, system and method for particle manipulation using wavesguides: A system and method are provided for manipulating particles using waveguides. An optical beam propagated by optical waveguides deflects particles for sorting or subsequent analysis. The present invention is well-suited for the sorting, manipulation and analysis of biological cells. Novel waveguide manufacturing method and materials, as well as monolithic integration... Agent: Miller Thompson, LLP

20080138011 - Production of optical pulses at a desired wavelength utilizing higher-order-mode (hom) fiber: An apparatus and method for producing optical pulses of a desired wavelength utilizes a section of higher-order-mode (HOM) fiber to receive input optical pulses at a first wavelength, and thereafter produce output optical pulses at the desired wavelength through soliton self-frequency shifting (SSFS) or Cherenkov radiation. The HOM fiber is... Agent: Wendy W. Koba

20080138012 - Optical interface identification system: A connector assembly, configured to releasably couple a socket assembly, includes zero or more data conductors. An optical pathway is configured to: receive an optical signal from an optical light source positioned within the socket assembly; and provide at least a portion of the optical signal to an optical light... Agent: Holland & Knight LLP

20080138013 - High efficiency optical diffraction device: Lightwave diffraction device formed of a dielectric layer (4), a mirror (12) arranged at the lower face (10) of said layer, a semi-reflective structure (13) arranged at the upper face (100) of said layer, and a diffractive structure (8) arranged in said layer or on its faces. The height (H)... Agent: Griffin & Szipl, Pc

20080138014 - Wide passband optical interleaver: g

20080138015 - Vertical-type photonic-crystal plate and optical device assembly: Provided are a photonic-crystal plate that forms an optical waveguide and an optical device assembly using the same, and more particularly, a vertical-type photonic-crystal plate and an optical device assembly configured to be easily integrated with surface-emitting light source devices and surface-receiving light detector devices. The photonic-crystal plate includes a... Agent: Ladas & Parry LLP

20080138016 - Optical connector excellent in maintenance of a connected state: An optical connector included a ferrule defining an optical axis and a holding member holding the ferrule. The ferrule includes a flange portion having a positioned portion. The holding member includes a first and a second beam portions faced to each other, a third beam portion adjacent to the first... Agent: Collard & Roe, P.c.

20080138017 - Butt coupling structure and method of photonic quantum ring hole emitter: An optical coupling structure includes a PQR hole emitter having a PQR hole, and an optical fiber whose one side is tapered into the PQR hole. An index-matching solution such as a photo-resist or a photo-resist diluted solution is injected into the PQR hole to adhere the optical fiber and... Agent: Bacon & Thomas, Pllc

20080138018 - Optical branching module and optical cable boot: An optical branching module includes a case from which cables are drawn out and an output-cable fixing member attached onto the case by insertion. Optical cables are inserted into cable insertion holes of the optical cable fixing member, and the optical cables are fixed to the optical cable fixing member... Agent: Sughrue Mion, Pllc

20080138019 - Optical module: The optical module comprises a device mounted with a photoelectric element and a receptacle to optically connect this device and an optical fiber is provided. The receptacle comprises a device holder at its one end, allows the device holder to be fitted to the top end side of the device,... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080138020 - Device for furcating fiber optic cables: A fiber optic cable assembly is provided. The cable assembly includes a housing, a plurality of furcation tubes, and a bundled cable. The housing has an opening at a first end and a plurality of channels at a second end. The furcation tubes are aligned with corresponding channels. One end... Agent: Perkins Coie LLP Patent-sea

20080138021 - Fluorine-doped optical fiber: A single mode optical transmission fiber comprises a depressed core having at least 0.41 weight percent fluorine and an index difference (|Δn1|) with pure silica greater than 1.5×10−3, a depressed cladding having at least 1.2 weight percent fluorine and an index difference (|Δn2|) with pure silica greater than 4.5×10−3 and... Agent: Summa, Allan & Additon, P.a.

20080138022 - Microstructured optical fiber: An optical fiber includes an optical fiber axis; a core extending along the axis, the core being made of a first, undoped material having a first refractive index; and a cladding coextensive to and surrounding the core. The cladding includes a background matrix made of the first material and has... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080138023 - Optical waveguide: An elongate waveguide for guiding light including a core having an elongate region of relatively low refractive index; a microstructured region around the core comprising elongate regions of relatively low refractive index interspersed with elongate regions of relatively high refractive index; and a boundary at the interface between the core... Agent: Buchanan, Ingersoll & Rooney Pc

20080138024 - Light redirecting films and film systems: The light redirecting films of the present invention have a pattern of individual optical elements that may intersect and/or interlock each other to achieve substantially complete surface coverage of at least one of the surfaces occupied by the optical elements. At least some of the optical elements may have at... Agent: Renner Otto Boisselle & Sklar, LLP

20080138025 - Fiber drop terminal: A drop terminal mounting system includes a fiber drop terminal having a housing and a base attached to the housing. The housing includes an outer surface containing a plurality of receptacles and cooperatively defines an inner cavity with the base. The drop terminal mounting system further includes a bracket having... Agent: Merchant & Gould Pc

20080138026 - Furcation tubing and fanout furcation kit: Furcation tubing is made of glass-filled Teflon (PTFE) that provides reduced longitudinal shrinkage and increased tensile bond strength in the standard colors utilized for fiber identification. The furcation tubing experiences no more longitudinal shrinkage than furcation tubing made of polyvinylidene fluoride (PVDF) and has a tensile bond strength no less... Agent: Corning Cable Systems Llc

20080138027 - Method of producing optical fiber positioning component, and optical fiber positioning component: A flow of a resin which is injected for insert-molding a wiring plate into an end face of an optical fiber positioning component is regulated by regulating portions disposed in side portions of a die. Therefore, leads of the wiring plate can be prevented from being fixed while remaining to... Agent: Mcdermott Will & Emery LLP

20080131047 - Photonic interconnect system: A photonic interconnect system avoids high capacitance electric interconnects by using optical signals to communicate data between devices. The system can provide massively parallel information output by mapping logical addresses to frequency bands, so that modulation of a selected frequency band can encode information for a specific location corresponding to... Agent: Hewlett Packard Company

20080131048 - Optical fibre switch: An optical fibre switch (10) includes an optical fibre conduit (12). A transducer (16) is carried on the conduit (12), the transducer (16) converting input energy of one form into mechanical energy so that the application of an external stimulus causes a change in condition of the transducer (16) which... Agent: Fulbright & Jaworski L.l.p

20080131049 - Optical microresonator: An optical device and a sensor system incorporating same are disclosed. The optical device includes a microresonator that has a core with input and output ports. The output port is different than the input port. The optical device further includes first and second optical waveguides. Each optical waveguide has a... Agent: 3m Innovative Properties Company

20080131050 - Manufacturing method of optical-electrical substrate and optical-electrical substrate: In a manufacturing method of an optical-electrical substrate comprising a wiring substrate, an optical waveguide which is disposed on the wiring substrate and transmits an optical signal, and mirrors for reflecting the optical signal, insulating members having smooth inclined surfaces are formed on the wiring substrate and thereafter, a metal... Agent: Drinker Biddle & Reath (dc)

20080131051 - Multi-mode fiber, optical fiber transmission system with offset-launch, single-mode, long-wavelength, vertical cavity surface emitting laser transmitter: A multimode fiber optical fiber transmission system includes an improved configuration for launching a single mode long wavelength transmission signal into existing multimode optical fiber networks. More specifically, the invention utilizes new single mode long wavelength VCSEL devices to realize a novel transmitter/transceiver for multimode fiber links where offset launch... Agent: Barlow, Josephs & Holmes, Ltd.

20080131052 - Optical fiber coupling part and manufacturing method thereof: An optical fiber coupling part that reduces the difficulty in adjusting cores, minimizes coupling loss, and prevents optical characteristics from deteriorating. An optical fiber is fused to one end of a GRIN lens which includes a quartz glass containing one or more refractive index regulating substances selected from Sb2O3, Ta2O5,... Agent: Wenderoth, Lind & Ponack, L.l.p.

20080131053 - Arrayed waveguide grating optical multiplexer/demultiplexer: An arrayed waveguide grating optical multiplexer/demultiplexer 10 of the present invention 10 comprises one arrayed waveguide grating (AWG) 20 having two input waveguides 21, 22 and two output waveguide-groups 23, 24, and a Mach Zehnder Interferometer-type interleaver 30 integrated with the AWG 20. Each of the input waveguides 21, 22... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080131054 - Optical filter module and method of manufacturing the same: An optical filter module for wavelength multiplexing and demultiplexing and a method of manufacturing the same are provided. The optical filter module for wavelength multiplexing and demultiplexing includes: at least one or more input waveguides; an input-stage star coupler in the form of a slab waveguide connected to the input... Agent: Rabin & Berdo, Pc

20080131055 - Keyed push-pull type fiber optic connection system: A connection system for providing selective interconnection between a fiber optic connector plug and a receptacle socket. The connection system is configured for implementation in push-pull type connectors having a dual housing structure, including an inner housing and an outer housing. The connection system comprises a connector inner housing and... Agent: Corning Cable Systems Llc

20080131056 - Loopback device utilizing bend insensitive optical fiber: A loopback device utilizing bend insensitive optical fiber to facilitate deployment of a connectorized fiber optic distribution cable through small-diameter conduit. A loopback device utilizing bend insensitive optical fiber for use within an optical network to route optical signals transmitted downstream along one or more optical fibers back upstream along... Agent: Corning Cable Systems Llc

20080131058 - Combined optical and electrical connector: The present invention relates to a combined optical and electrical connector, and more specifically relates to a combined optical and electrical connector having a structure in which an optical connector and an electrical connector are integrated. Specifically, it includes a receptacle housing (3) to which a plug is attached from... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080131057 - Fiber optic wall outlet with slack storage: There is provided a wall outlet with at least one optical fiber adapter, wherein the wall outlet provides slack storage for an optical fiber generally routed through the wall. The wall outlet comprises a panel that includes at least one optical fiber routing guide adapted to provide slack storage for... Agent: Corning Cable Systems Llc

20080131059 - Fiberoptic connector and methods: A fiberoptic connector is constructed entirely of metal and includes structure to radiate heat. Preferably, the fiberoptic connector also includes an arrangement to indicate whether the fiberoptic connector is holding an energized optical fiber. Preferably, the heat radiating structure includes fin structure and a metal stamping projecting from the connector... Agent: Attention Of Karen A. Fitzsimmons Merchant & Gould P.c.

20080131060 - Apparatus and method of coupling a fiber optic device to a laser: The present application is directed to a various embodiments of a system for coupling at least one fiber optic device to a laser and include at least one fiber coupler device having a body defining at least one coupling chamber in communication an inlet and an outlet, the coupling chamber... Agent: Brian F. Swienton Newport Corporation

20080131061 - Forming method of refractive index matching film: A forming method of a refractive index matching film comprises steps: one end of an optical fiber is brought into contact with a liquid surface of a photo-curable refractive index matching solution; curing reaction light is made incident to the opposite end of the optical fiber and is emitted through... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080131062 - Buffered optical fiber and manufacturing method thereof: A buffered optical fiber having an excellent pistoning characteristic compared with a conventional one and a manufacturing method thereof are provided. The buffered optical fiber of the present invention is composed of an optical fiber with a primary coating layer and a secondary coating layer provided on a circumference of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080131063 - Prevention of optical fiber darkening: A technique enables the reduction or prevention of galvanic action by electrically insulating components of a system. Fiber optic systems can be protected with the technique by preventing the formation of hydrogen ions through galvanic action that otherwise contribute to hydrogen darkening of optical fibers.... Agent: Schlumberger Reservoir Completions

20080131064 - Device and method for detecting and localizing cells by means of photosensitive waveguides: The present invention provides devices and methods for detection of particles, such as biological cells, in samples using a photosensitive waveguide. The photosensitive waveguide changes its transmissivity in a detectable manner in response to controlling radiation emitted from the particles. In preferred embodiments, the waveguide is two-dimensional and the position... Agent: Kelley Drye & Warren LLP

20080131065 - Large-mode-area, multimode, hybrid optical fibers and devices using same: A large mode area optical fiber is configured to support multiple transverse modes of signal radiation within its core region. The fiber is a hybrid design that includes at least two axial segments having different characteristics. In a first axial segment the transverse refractive index profile inside the core is... Agent: Michael J. Urbano

20080131066 - Microstructured transmission optical fiber: Microstructured optical fiber for single-moded transmission of optical signals, the optical fiber including a core region and a cladding region, the cladding region including an annular hole-containing region that contains non-periodically disposed holes. The optical fiber provides single mode transmission and low bend loss.... Agent: Corning Incorporated

20080131068 - Fiber access terminal: A fiber access terminal for mounting to the end of a fiber distribution cable and configured to be extended through a buried conduit. The fiber distribution cable may include a plurality of optical fibers and enters a housing of the terminal through a base. The terminal also includes a plurality... Agent: Merchant & Gould Pc

20080131069 - Fiber access terminal including moisture barrier plate with punch out: 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

20080131067 - Pre-connectorized fiber optic cable network interconnection apparatus: A pre-connectorized network interconnection apparatus including a housing defining at least one opening for mounting at least one adapter therein, a cable storage tray movably attached to the housing movable between an opened position and a closed position for cable access, and a predetermined length of pre-connectorized fiber optic cable... Agent: Corning Cable Systems Llc

20080131070 - Fiber optic cable guide: This invention provides a cable guide (10) capable for securely routing a plurality of cables (C), such as fiber optic cables (C). The cable guide has at least two fastening units (12), an optional guide unit (14), and a flexible connector (16) for providing a spaced apart connection for the... Agent: Martin Faier Faier & Faier