Optical waveguides inventions 11/08

20080292237 - Methods and apparatuses for obtaining information regarding sensors in optical paths: Methods and apparatuses for obtaining information, such as location and/or identification information, regarding sensors in optical paths such as optical fibers. One embodiment provides a method for identifying a location of a tag in an optical path. The tag is (1) adapted for producing a response to an optical signal... Agent: Fetherstonhaugh - Smart & Biggar

20080292236 - Silicon photonic wire waveguide biosensor: Methods and devices relating to a sensor for use in detecting and monitoring molecular interactions. A silicon waveguide sensing element is provided along with a layer of silicon. A silicon oxide layer is also provided between the waveguide element and the layer of silicon. The sensing element is adjacent to... Agent: Shapiro Cohen

20080292238 - Temperature-resistant ir measurement probe: A temperature-resistant fibre-optic-coupled IR measurement probe and an FTIR measurement system with a connected temperature-resistant fibre-optic-coupled IR measurement probe are presented. The temperature stability is achieved by mounting the optical fibre sections (13, 14) in the temperature-controlled probe head housing (12) without any fastening points. The optical fibres are manufactured... Agent: Brooks Kushman P.C.

20080292239 - Adiabatic waveguide transitions: The invention relates to waveguiding structures in planar lightwave circuit devices that include a transition region between a slab waveguide and channel waveguides to reduce optical coupling loss. In particular star couplers and arrayed waveguide gratings incorporating the transition region of the present invention demonstrate reduced insertion loss. By creating... Agent: Christopher F. Regan Allen Dyer Milbrath And Gilchrist Pa

20080292240 - Optical switches: Optical switches are described herein. In one embodiment, an exemplary optical switch includes, but is not limited to, a first waveguide, a second waveguide across with the first waveguide in an angle to form an intersection, and a pair of electrodes placed within a proximity of the intersection to switch... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080292241 - Methods and apparatus to make substantially uniform losses in optical cross connects: A method for cross connecting optical signals includes using a common beam steerer to direct a set of optical signals from a set of input ports to a set of output ports. The method further includes adjusting a curvature of the common beam steerer so that paths of the optical... Agent: Husch Blackwell Sanders, LLP Welsh & Katz

20080292242 - High-quality-factor tunable microdisk: An optical device includes a waveguide and a microdisk that is optically coupled to the waveguide. The gap between the microdisk and the waveguide is between 0.3 microns and 0.7 microns. The diameter of the microdisk is between 15 microns and 50 microns. The quality factor of the microdisk is... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20080292243 - Optical power supply type sensing system: An optical power supply type sensing system includes: an optical directivity coupler (6) mounted in a sensor unit (1); a photo-electric converter (4) connected to a first optical fiber (5) among the first to the third optical fiber (5, 7, 8) connected to the optical directivity coupler (6); an optical... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080292244 - Optical fiber, sealing method for optical fiber end face, connection structure of optical fiber, and optical connector: An optical fiber includes a core, a clad formed around the core, a plurality of holes being formed in the clad, and a hardening resin having a moisture permeability equal to or less than 0.5 g/cm2·24 hr, in which the hardening resin is filled in a vicinity of an end... Agent: Mcginn Intellectual Property Law Group, PLLC

20080292245 - Self-aligning optical connector systems and methods: Self-aligning optical connectors, systems, and methods for connecting optically-transmissive elements are disclosed. 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: Hugh P. Gortler

20080292246 - Optical connector, optical fiber with connector, optical fiber connecting device, and optical fiber connection method: A plug-type optical connector is provided with a ferrule and an aligning sleeve member. The aligning sleeve member receives a portion of the ferrule including an abutting end face inside a bore to prevent staining and damage and uses a movable shutter to prevent light emitted through the ferrule from... Agent: 3m Innovative Properties Company

20080292247 - Removable fiber-optic insert: A fiber-optic module attachment system. The system includes a back plane circuit card assembly (CCA), a fiber-optic module having a plurality of external pins located on a first side, and a connector housing. The connector housing includes a plurality of holes and is attached to a first side of the... Agent: Honeywell International Inc. Patent Services Ab-2b

20080292248 - Optical fiber, optical fiber connection structure and optical connector: An optical fiber includes a core, a clad having a plurality of air holes at a periphery of the core, and a hardening resin filled in a sealed portion at an end of the plurality of air holes. The hardening resin after hardening has a fill length of 7 mm... Agent: Mcginn Intellectual Property Law Group, PLLC

20080292249 - Electronic equipment: There can be realized a compact optical network unit with an optical cable provided between an optical cable housing and an optical video terminal housing. When the optical video terminal housing is opened and closed by rotating 90 degrees or more about hinges connecting the two housings, the extra length... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080292250 - Optical communication module and optical communication module holder: An optical communication module includes a receptacle, a chassis and a pressing jig. The receptacle has a photonic device therein and a projection portion. The chassis houses the receptacle. The pressing jig has an engage portion. The engage portion is latched with the chassis with the pressing jig pressing the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080292251 - Polarization-maintaining optical fiber, method of manufacturing polarization-maintaining optical-fiber connecting portion, and polarization-maintaining optical-fiber connecting portion: A polarization-maintaining optical fiber includes a core region and a cladding region formed around the core region. The cladding region has a refractive index lower than a refractive index of the core region. A refractive index profile of the core region is either one of a step shaped or a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080292252 - Fiber optic patch kit and method for using the same: The present method and kit provide for effective and efficient patching of fiber optic cables. The kit comprises mechanical fiber optic splicers, a fiber optic patch, a splice housing, and a protective housing. The mechanical fiber optic splicers can be used to splice the fiber optic cable and the fiber... Agent: Brinks Hofer Gilson & Lione

20080292253 - Flat design composite drop fiber cable with mid-span access capability: A fiber cable having a first fiber containing portion with a plurality of optional fibers disposed therein. A second strength portion is separable from the first fiber containing portion arranged in a substantially flat arrangement. The second strength portion is separatably coupled to the first fiber containing portion.... Agent: Sofer & Haroun LLP.

20080292254 - Low shrink telecommunications cable and methods for manufacturing the same: The present disclosure relates to a telecommunications cable having a layer constructed to resist post-extrusion shrinkage. The layer includes a plurality of discrete shrinkage-reduction members embedded within a base material. The shrinkage-reduction members can be made of a liquid crystal polymer. The disclosure also relates to a method for manufacturing... Agent: Merchant & Gould PC

20080292255 - Systems and methods for treating hollow anatomical structures: An apparatus for treating a hollow anatomical structure can include a light delivery device. The light delivery device comprises an optical fiber that is located in a lumen of a shaft suitable for insertion into the hollow anatomical structure and has a fiber tip located proximal of a distal end... Agent: Knobbe Martens Olson & Bear LLP

20080292257 - Optical fiber and optical transmission line and optical communication system including such optical fiber: Optical fibers to form an optical transmission line suitable for WDM transmission in a wide-spreading wavelength band, having the following characteristics and parameters: a dispersion in absolute value of 0.5 ps/nm/km to 9 ps/nm/km in a wavelength band of 1430 nm to 1625 nm, a dispersion slope in absolute value... Agent: Eric Robinson

20080292256 - Optical fiber with tin doped core-cladding interface: The present invention concerns an optical fiber 10 comprising a substantially pure silica glass core 12, a concentric tin-doped core/cladding interface region 14, and a concentric fluorine-doped depressed cladding layer 16. The tin-doped core/cladding interface region 14 comprises a low concentration gradient of tin dioxide, which advantageously results in a... Agent: The H.t. Than Law Group

20080292258 - Optical device: The application relates to an optical device for enhancing the stress to be generated in a substrate in comparison with a conventional technique. To this end, the optical device includes a substrate having a photoelastic effect, a first stress layer formed on a first face of the substrate and having... Agent: Staas & Halsey LLP

20080292259 - Multi-color curved multi-light generating apparatus: In accordance with one or more embodiments of the present disclosure, a multi-color curved multi-light generating apparatus comprises a first input component adapted to receive a first input light beam, a second input component adapted to receive a second input light beam, a third input component adapted to receive a... Agent: Macpherson Kwok Chen & Heid, LLP

20080292260 - Cable management system: A cable management system for use with a rack having at least a first and a second side configured to be coupled to at least one piece of electronic equipment comprises a first and a second support configured to be disposed along at least a portion of a first and... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20080292261 - Fiber optic enclosure with external cable spool: A fiber optic telecommunications device includes an enclosure defining an interior. A first fiber optic adapter is provided at the enclosure. A spool is provided at an exterior of the enclosure. A fiber optic cable, which includes a first optical fiber, is wrapped around the spool. A first fiber optic... Agent: Merchant & Gould PC

20080292262 - Grease-free buffer optical fiber buffer tube construction utilizing a water-swellable, texturized yarn: A buffered optical fiber arrangement that includes a buffer tube in which is provided optical fibers and a texturized yarn coated with a water-swellable material. The filament diameter of the yarn used in the present invention may be between about 5 microns and about 100 microns, more preferably between about... Agent: Sughrue Mion, PLLC

20080285907 - Systems and methods for creating localized refractive index modulations in an optical fiber: A technique is described for creating a localized modulation of an optical fiber's refractive index profile. A segment of optical fiber is loaded into a heating unit having a resistive heating element with a localized heating zone. A selected portion of the fiber segment is positioned within the heating zone,... Agent: Jacobs & Kim LLP

20080285908 - Fiber optic transducer for simultaneous pressure and temperature measurement in fluid flow: The present invention relates a fiber optic transducer (FOT) and methods for measuring the pressure and temperature of a flowing fluid using such FOT, wherein such FOT contains a fiber optic having fiber Bragg gratings. The fiber Bragg gratings are measured during a flowing fluid to determine the difference in... Agent: Attn: Maquite Wong The Hong Kong Polytechnic University

20080285909 - Optical fiber shape sensing systems: A medical instrument system includes an elongate flexible instrument body with an optical fiber substantially encapsulated in a wall of the instrument body, the optical fiber including one or more fiber gratings. A detector is operatively coupled to the optical fiber and configured to detect respective light signals reflected by... Agent: VistaIPLaw Group LLP

20080285911 - Optical/electrical hybrid substrate: In an optical/electrical hybrid substrate 10 including a wiring board 11 having a wiring and a via, and an optical waveguide 12 including an optical waveguide body 80 having a first clad layer 81, a second clad layer 83 and a core portion 82 disposed between the first clad layer... Agent: Drinker Biddle & Reath (dc)

20080285910 - Photoelectric circuit board and device for optical communication: The photoelectric circuit board according to the present invention is a photoelectric circuit board, wherein a rigid portion where at least a conductor circuit and an insulating layer are formed and layered and one or more flex portions that are bendable are integrated, external connection portions for mounting an optical... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080285912 - Integrated circuit with optical switch: An integrated circuit having an optical switch includes an optical body configured to transmit light, the optical body having a boundary, and a thin film disposed at the boundary that is configured to selectively change a pseudo-Brewster angle of light reflected at the boundary.... Agent: Dicke, Billig & Czaja

20080285913 - Method and apparatus for high resolution coherent optical imaging: A method and an apparatus for examining the sub-surface microstructure of a sample are provided. Radiation from a plurality of optical radiation sources travels along a first optical path. In the first optical path, a device focuses the optical radiation from each of the optical sources into a plurality of... Agent: Peter A. Borsari

20080285914 - Optical module: An optical module includes an optical element mount substrate having a laser diode and a photo detector mounted thereon on a straight line in a horizontal direction of the surface of the substrate, a first optical function integrate substrates, provided in its one surface with surfaces tilted at an angle... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080285916 - All-fiber architecture for an embedded flight sensor for aeropropulsion applications: An embedded flight sensor system having a laser and one or more flight sensors in optical communication with the laser plus a data processing device in optical communication with the flight sensors. The flight sensors may be laser based optical components such as a fiber Bragg grating in combination with... Agent: Swanson & Bratschun, L.L.C.

20080285915 - Optical transmission system: An optical transmission system (1) alters quantity of incident light by reflecting an optical signal by a micro mirror (11) to enter an optical fiber (13) and by controlling an angle of the micro mirror (11), so that attenuation of the optical signal is controlled. An optical filter (14) is... Agent: Staas & Halsey LLP

20080285917 - Method and apparatus for controlling light flux with sub-micron plasmon waveguides: Apparatuses and methods for modulating electromagnetic radiation are disclosed. A plasmon waveguide including an array of metallic nanoparticles disposed on a dielectric substrate is provided. The plasmon waveguide is disposed on a MEMS structure. An electromagnetic radiation signal is applied to a tapered fiber disposed proximate the MEMS structure. The... Agent: Hewlett Packard Company

20080285918 - Optical coupling element and optical coupling unit: An optical coupling element disposed between an optical fiber and an optical element that face each other and optically coupling these two facing components includes a substantially cylindrical optical coupling portion whose opposite end surfaces respectively face the optical fiber and the optical element; and a projection projecting radially from... Agent: Beyer Law Group LLP

20080285919 - Curved grating spectrometer with very high wavelength resolution: The present application discloses a system comprising a compact curved grating (CCG) and its associated compact curved grating spectrometer (CCGS) or compact curved grating wavelength multiplexer/demultiplexer (WMDM) module and a method for making the same. The system is capable of achieving a very small (resolution vs. size) RS factor. In... Agent: Andrus, Sceales, Starke & Sawall, LLP

20080285920 - Coupling element alignment using waveguide fiducials: An optical assembly includes a waveguide assembly and an optical coupling element. The waveguide assembly includes a core, a cladding portion, and, preferably, at least two waveguide core fiducials, the at least two waveguide core fiducials and the core being lithographically formed substantially simultaneously in a substantially coplanar layer The... Agent: Ryan, Mason & Lewis, LLP

20080285921 - Optical fiber connector assembly: An optical fiber connector assembly has a sheath, a casing, an alignment pin and a spring. The sheath has a channel defined in the sheath. The casing is mounted in the channel and has a pin hole defined through the casing and communicating with the channel. The alignment pin is... Agent: Charles E. Baxley, Esquire

20080285922 - Field termination kit: A field termination kit includes an optical fiber preparation device for preparing an end of an optical fiber, an optical inspection device for inspecting the end of the optical fiber, and a termination assembly for terminating the end of the optical fiber. A method of using a field termination kit... Agent: Merchant & Gould PC

20080285923 - Fiber optic connector, active contact inserts therefor, and associated methods: A fiber optic connector insert for a connector may include a housing to be received within a passageway of a connector body, a circuit board extending longitudinally within the housing and having opposing first and second ends, and a first base and first electrically conductive pins carried thereby. The first... Agent: Christopher F. Regan, Esquire Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A.

20080285924 - Optical fiber cables: Described are new cable designs for indoor installations wherein the cable comprises a dual-layer optical fiber buffer encasement of acrylate resin. The buffer encasement has an acrylate compliant inner layer that protects the fiber and minimizes stress transfer to the fiber; and a hard, tough acrylate outer layer that provides... Agent: Law Office Of Peter V.d. Wilde

20080285925 - Optical fiber cables: Described are new cable designs for indoor installations wherein the cable comprises a dual-layer optical fiber buffer encasement of acrylate resin. The buffer encasement has an acrylate compliant inner layer that protects the fiber and minimizes stress transfer to the fiber; and a hard, tough acrylate outer layer that provides... Agent: Law Office Of Peter V.d. Wilde

20080285926 - Optical fiber having desired waveguide parameters and method for producing the same: A method for producing an optical fiber having desired cutoff wavelength, mode field diameter [MFD] and zero dispersion wavelength [ZDW] waveguide parameters even when actual refractive index [RI] profile has various configurations is provided. The method comprises overcladding/clad jacketing over the core rod based on predetermined core diameter of the... Agent: Lowe Hauptman Ham & Berner

20080285927 - Single mode optical fiber having reduced macrobending and attenuation loss and method for manufacturing the same: A method for manufacturing an optical fiber having uniform refractive index profile, and substantially reduced macrobending loss and attenuation loss is provided comprising controlling one or more of parameters including concentration of dopant in outer region and inner region of the core region with respect to middle region of the... Agent: Ladas & Parry LLP

20080285928 - Optical fiber mounting waveguide device and method for fabricating same: An optical fiber mounting waveguide device and a method for fabricating the same, which provide a low optical connection loss and a high productivity. An under cladding layer (3u), a core (4), and an over cladding layer (3o) are sequentially formed on a substrate (8) to constitute an optical fiber... Agent: Mcginn Intellectual Property Law Group, PLLC

20080285930 - Method for making an optical fiber comprising nanoparticles and preform used in the manufacture of such a fiber: The invention concerns a method for making an optical fiber (18) including the following steps: producing a preform (10) containing nanoparticles provided with an active element including at least one recess (14) proximate at least part of the nanoparticles; fiber drawing of the preform (10) by introducing a non-oxidizing gas... Agent: Sughrue Mion, PLLC

20080285929 - Optical fiber: A tension-absorbing cladding layer is formed around a cladding layer, with a refractive index equal to that of a center core region or higher. The center core region has a relative refractive index difference of −0.1% to 0% with respect to a pure silica glass, a chlorine concentration of wt... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080285931 - Optical waveguide: t

20080285933 - Fiber optic splice and distribution enclosure: An enclosure for housing fiber optic splices between a fiber optic distribution cable and fiber optic customer drop cables includes a first door providing access to a first area of the enclosure housing couplers for receiving terminals of customer drop cables. The enclosure also includes a second door providing access... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080285932 - Fiber patch panel: A system may include a housing and a patch panel located within the housing. The patch panel may include a connection plate, and a matrix of fiber connectors connected to the connection plate and arranged to receive optical fibers in a vertical direction.... Agent: Verizon Patent Management Group

20080285934 - Systems and methods for lifting a terminal enclosure in below ground applications: A fiber distribution terminal system includes a below ground vault, and a terminal enclosure within the vault. The system also includes a lift system in the vault, the lift system including a screw drive and a track system. Rotation of the screw drive lifts the terminal enclosure from a below... Agent: Merchant & Gould PC

20080285935 - Spring-loaded fiber coupler cover with cam profile: A medical laser unit having a spring-loaded coupler cover for protecting a fiber optic coupler from damage when an optical fiber is not coupled to the laser unit. When an optical fiber is attached to the fiber optic coupler, a cam arrangement on the spring-loaded coupler cover minimizes the force... Agent: Ams Research Corporation

20080279497 - Methods to reduce polarization dependent loss in planar lightwave circuits: Polarization dependent loss may be reduced by providing at least one dummy waveguide or at least one dummy metal structure. Polarization dependent loss may also be reduced by imposing a mechanical force on the OIC to exert mechanical stress thereby changing at least one of the birefringence and the optical... Agent: Amin, Turocy & Calvin, LLP

20080279498 - Mems structures, methods of fabricating mems components on separate substrates and assembly of same: Methods of fabricating a microelectromechanical systems (MEMS) device with reduced masking and MEMS devices formed by the same are disclosed. In one embodiment, a MEMS device is fabricated by laminating a front substrate and a carrier, each of which has components preformed thereon. The front substrate is provided with stationary... Agent: Knobbe, Martens, Olson & Bear, LLP

20080279499 - Device including a system adapted for use in temperature compensation of strain measurements in fibre-reinforced structures: The present invention relates to a device comprising a fibre-reinforced part and including at least one system comprising at least one optical fibre as well as connecting means adapted for connection of light emitting means and light receiving means to the optical fibre, said optical fibre comprising a number of... Agent: Day Pitney LLP

20080279500 - Method for producing j aggregates: The invention relates to a method for producing special supramolecular assemblies of colorants, in particular cyanine dyes, called J aggregates. The inventive method consists in depositing a monolayer of dendrimers on a support and subsequently in deposing cyanines in solution for forming the organised monolayer of J aggregates. Said method... Agent: Young & Thompson

20080279501 - Lens-equipped optical wave guide device for touch panel and optical waveguide for use in the same: A lens-equipped optical waveguide device for a touch panel includes an optical waveguide including an under cladding layer, and a plurality of cores formed on a surface of the under cladding layer with respective ends in parallel along one edge portion of the under cladding layer; and a lens device... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080279502 - Lens-equipped optical waveguide device for touch panel and manufacturing method thereof: A lens-equipped optical waveguide device for a touch panel comprises an optical waveguide including an under cladding layer and a plurality of cores; and a lens device having a mounting surface for placing the optical waveguide thereon and a lens formed in an end portion of the mounting surface. The... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080279503 - System and apparatus for fiber optic connector: A fiber optic connector uses an expanded light beam design in a universal receptacle that couples to a single style of plug on the ends of all harnesses. A single, mirror image socket design is used on bulkhead receptacles or box connections, with which two harness plugs mate. The receptacle... Agent: Bracewell & Giuliani LLP

20080279504 - Optical substrate, optical waveguide, and optical waveguide substrate: An optical substrate includes: a submount; a planar optical element which is mounted on the submount; a pair of positioning members which are disposed at an interval across the planar optical element on the submount; an optical waveguide in which a core and a clad are formed by a flexible... Agent: Sughrue-265550

20080279505 - Optical coupling structure: The present invention provides an apparatus and method for operation therefore. The apparatus, in one embodiment, includes an optical coupling structure disposed within a cladding region, wherein the optical coupling structure includes a first guiding portion and a second guiding portion. In this embodiment the first guiding portion has a... Agent: Hitt Gaines, PC Alcatel-lucent

20080279506 - Blown optical fibre multi-tube terminal connectors: A multi-tube terminal connector for connecting tubes into which optical fibres are to be installed by the blown fibre technique, comprising a first part (4) arranged to receive and fit onto a cable (1) of closely packed tubes, and a spreader (5) provided with guideways to splay the tubes received... Agent: Sue Z Shaper

20080279507 - Fiber connector and adapter: Fiberoptic connector and adapter assembly includes a fiberoptic connector received within an adapter. The connector has a cover on the connector housing. The cover pivots between open and closed positions to expose or cover, respectively, a optical fiber contained within the connector. Longitudinal guides of the connector are received cooperating... Agent: Merchant & Gould PC

20080279509 - Expanded beam, single fiber, fiber optic connector: The expanded beam, single fiber, fiber optic connector includes a lens holder, a lens, and a ferrule. The lens holder retains the lens, and the lens holder accommodates the ferrule. The lens is in optical communication with an optical fiber retained in the ferrule. The lens holder has an outside... Agent: Karl D. Kovach Emerson Network Power Connectivity Solutions, Inc.

20080279508 - Optical connector and method for assembling optical connector: To provide an optical connector that enables the reduction in the number of parts and can be easily attached to an optical cable, a concave portion 18 for a ferrule is formed in a plug housing 6, and a ferrule 3 is inserted from the side of a collar portion... Agent: Mcdermott Will & Emery LLP

20080279510 - Latching mechanism for pluggable transceiver module: A pluggable module, such as an optical transceiver for coupling an information system unit to a fiber optical cable, and adapted for mating with a receptacle having a retention tab on the bottom surface thereof, including a housing having a top and a bottom surface; a rotatable lever disposed on... Agent: Emcore Corporation

20080279511 - Optical connector kit: The optical connector kit includes a ferrule-with-optical-fiber and an accommodating housing for accommodating all connector parts constituting an optical connector, including a ferrule-with-optical-fiber. An optical fiber having a predetermined length is attached in advance to the ferrule of the ferrule-with-optical-fiber and the end face polishing processing is carried out. The... Agent: Carlson, Gaskey & Olds, P.C.

20080279512 - Fiber optic cable with detectable ferrimagnetic components: A fiber optic cable with detectable ferromagnetic components may include a plurality of detectable ferromagnetic components distributed longitudinally along the cable and insulated from each other. The fiber optic cable may contain the typical layers of fiber core, cladding, coating, strengthening fibers, and cable jacket. Each of the detectable ferromagnetic... Agent: Verizon Patent Management Group

20080279513 - Optical fiber cable construction allowing rigid attachment to another structure: A tubular and a jacketed cable combination includes a strip of material helically wound about itself to form a tubular structure having an inside dimension and an outside dimension, one or more optic fibers disposed within a filler material, a jacket disposed about the filler material to protect the same... Agent: Cantor Colburn, LLP

20080279514 - Optical cable and method of manufacturing an optical cable: An optical cable comprises a buffered optical fiber which is arranged within a buffer tube. The buffer tube is extruded around the buffered optical fiber such that a small gap, preferably in a range between about 40 μm and about 100 μm, is formed between the buffered optical fiber and... Agent: Corning Incorporated

20080279515 - Optical fiber containing alkali metal oxide: Disclosed is an optical fiber having a silica-based core comprising an alkali metal oxide a silica-based core, said core comprising an alkali metal oxide selected from the group consisting of K2O, Na2O, LiO2, Rb2O, Cs2O and mixtures thereof in an average concentration in said core between about 10 and 10000... Agent: Corning Incorporated

20080279517 - Large effective area fiber: s

20080279516 - Low bend loss coated optical fiber: An optical fiber includes a core and a cladding, said cladding having a refractive index nc a first coating directly contacting the cladding of said fiber, said coating having a thickness of less than 10 microns, said coating having a refractive index delta %=100×(ni2-nc2)/2ni2 less than −1 percent. In another... Agent: Corning Incorporated

20080279518 - Optical waveguide and method of manufacturing the same, and method of manufacturing optical/electrical hybrid substrate: An optical waveguide includes an optical waveguide main body and mirrors. The optical waveguide main body includes a first cladding layer, a second cladding layer and a core portion provided between the first cladding layer and the second cladding layer. The optical waveguide main body has a first region in... Agent: Drinker Biddle & Reath (dc)

20080279519 - Optical element and method for the production therof: Described is an optical element (1) for guiding electromagnetic radiation (5), comprising a base body (2) and at least one film (3), wherein the film (3) adheres to the base body (2) and forms an intimate connection with the base body (2) and is arranged such that the electromagnetic radiation... Agent: Fish & Richardson PC

20080279520 - Light tunnel structure: The light tunnel structure includes a plurality of reflectors joined together to form a light tunnel for allowing a light beam to pass and reflect therethrough. The plurality of reflectors respectively have end surfaces edge at two opposite open ends ea,ead of the light tunnel structure, wherein not all of... Agent: Birch Stewart Kolasch & Birch

20080279521 - Modular optical wall box enclosure: A modular fiber optic enclosure for enclosing optical fiber connections that includes a base housing module with a plurality of sides having a front end portion and a back end portion and a base disposed at the back end portion, wherein the base and the sides define an interior region.... Agent: Merchant & Gould PC

20080279522 - Outside plant enclosure with pivoting fiber trays: A telecommunications cabinet includes an enclosure, a splitter mounted within the enclosure for splitting a fiber optic signal, a plurality of adjacently positioned adapter trays mounted within the enclosure, each tray being pivotable about an axis generally parallel to a longitudinal axis of the enclosure and each adapter tray housing... Agent: Alpaslan Sapmaz Merchant & Gould P.C.

20080279523 - Optical fiber for irradiation-light transfer and light irradiation device equipped with the same: In this invention, an optical fiber 11 for irradiation-light transfer of a single major optical fiber element composed of a core 12 and a clad 13 is bent in its intermediate region in an annular shape to form an annular portion 14. The crossing zone at the annular portion is... Agent: Mcdermott Will & Emery LLP

20080273828 - Optical microresonator with resonant waveguide imparting polarization: An optical microresonator is formed as a microcylinder and a resonant waveguide on the microcylinder and having a plurality of spaced resonant elements such as circumferential ridges for optically coupling light from an optical source waveguide onto the microcylinder. The resonant elements have a spacing, height and angle to impart... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist

20080273831 - Optical logic gate: An optical logic gate (10) comprises: first and second optical inputs (11, 12) for receiving respective optical signals (A, B) and an optical output (15) for outputting an optical signal (Pout) which represents the result of applying a required logic function. The logic gate is characterised by optical combining means... Agent: Coats & Bennett, PLLC

20080273832 - Photonic crystal optical device: An active area includes a photonic-crystal optical waveguide formed by periodically arranging a plurality of holes in a primary plane direction of an active-area core layer in an active-area growth portion. A passive area includes a passive optical waveguide formed in a passive-area growth portion. An effective refractive index of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080273829 - Planar lightwave circuit, design method for wave propagation circuit, and computer program: A planar lightwave circuit is provided which can be easily fabricated by an existing planar-lightwave-circuit fabrication process, which can lower the propagation loss of signal light and which can convert inputted signal light so as to derive desired signal light. A planar lightwave circuit having a core and a clad... Agent: Workman Nydegger

20080273830 - System, method and apparatus for improved electrical-to-optical transmitters disposed within printed circuit boards: The present invention provides a system, method and apparatus for improved electrical-to-optical transmitters (100) disposed within printed circuit boards (104). The heat sink (110, 200) is a thermal conductive material disposed within a cavity (102) of the printed circuit board (104) and is thermally coupled to a bottom surface (112)... Agent: Chalker Flores, LLP

20080273833 - Plasmon switch: A variety of structures, methods, systems, and configurations can support plasmons for logic.... Agent: Searete LLC Clarence T. Tegreene

20080273834 - Packaged optical device stack: A packaged stack of optical devices includes two or more WDM optical devices, the stack having a reduced per-channel manufacturing cost and an improved mean time between failure relative to individual optical devices. WDM optical devices, which may be contained in a packaged stack, include wavelength selective switches, optical add-drop... Agent: Patterson & Sheridan, L.L.P.

20080273835 - Optical coupled resonator structures based on loop-coupled cavities and loop coupling phase: A resonator structure includes an input waveguide and an output waveguide. In one embodiment, the resonator structure also includes at least one resonator that couples the input waveguide to the output waveguide and a directional coupler that optically couples the input waveguide to the output waveguide. In another embodiment, the... Agent: Goodwin Procter LLP Patent Administrator

20080273836 - Ultrafast laser machining system and method for forming diffractive structures in optical fibers: An ultrafast laser machining system and method to form diffractive structures in optical fibers. The fiber is mounted with its longitudinal axis perpendicular to the beam path of the laser pulses. A region of the fiber is illuminated and then imaged with two cameras. These cameras are aligned substantially orthogonally.... Agent: Ratnerprestia

20080273837 - Super miniature, single fiber optical interconnect system with parallel slider push-push type insertion/withdrawal mechanism and method for using same: The adapter includes an automatic shutter that is opened upon contact by the inserted connector housing with a cam on the lower portion of the shutter, but avoids contact with the ferrule polished end face. Angled latches are provided on the modular contact so as to enable disengagement and removal... Agent: Patzik, Frank & Samotny Ltd.

20080273838 - Optical fibre connector: An optical fibre connector for forming a mechanical splice between first and second optical fibres comprises a connector body arranged to clamp the optical fibres therein, wherein the connector body is configured to be at least partially opened to release, or to allow insertion of, at least one of the... Agent: Baker & Daniels LLP

20080273839 - Connectorized nano-engineered optical fibers and methods of forming same: Connectorized nano-engineered optical fibers and method for forming them are disclosed. The methods include heating a mid-span bare fiber portion of the nano-engineered fiber to collapse the airlines therein so as to form an airline-free portion. The fiber is then inserted into a ferrule channel so that the fiber end... Agent: Corning Incorporated

20080273840 - Interface converter for sc fiber optic connectors: An interface converter is provided for mechanically and optically coupling a fiber optic connector with an adapter port. In a preferred embodiment, the interface converter attaches to an SC fiber optic connector and together form a converted fiber optic connector compatible with the adapter port. In certain embodiments, a retractable... Agent: Merchant & Gould PC

20080273841 - Plastic ferrule: A plastic ferrule (1) for optical connecting systems, in which a optical wave guide (3) of an optical fibre (6) is guided through a support element (2), whereby the optical wave guide (3) is surface-conditioned in a partial area (4) in order to bond in a force-actuated way to a... Agent: Nath & Associates

20080273842 - Optical connector: An optical connector comprising: first and second movable members 7, 8 held on an optical connector body 6 to be axially movable in a longitudinal direction; locking means for locking the first and second movable members when the first movable member is located at a predetermined locking position in a... Agent: Birch Stewart Kolasch & Birch

20080273843 - Interface for waveguide pin launch: in general, in accordance with an exemplary aspect of the present invention, a low-loss interface for connecting an integrated circuit such as a monolithic microwave integrated circuit to an energy transmission device such as a waveguide is disclosed. In one exemplary embodiment, the interface comprises a pin seated within an... Agent: Snell & Wilmer L.L.P. (main)

20080273844 - Electrically traceable and identifiable fiber optic cables and connectors: Composite fiber optic cables having exposed, conductive traces external to the cable jacket enable non-invasive, wireless electrical tone tracing of fiber optic cables. The cross sectional geometry of the fiber optic cable prevents conductive traces from short circuiting when abutting other cables or grounded conductive elements. Moreover, the structure allows... Agent: Anthony S. Kewitsch

20080273845 - Optical fiber cables: Described is an optical fiber cable designed for drop cable applications that has a compact profile, and is suitable for both the indoor and outdoor portions of the installation. The new design has three functional units, an optical fiber subunit, and two strength members arranged side-by side on either side... Agent: Law Firm Of Peter V.d. Wilde

20080273846 - 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 Incorporated

20080273847 - Fiber-based optical alignment system: A low-cost alignment system suitable for aligning a wafer to a test fixture includes a bundle of optical fibers wherein at least one fiber serves to deliver illumination to the alignment target from an end thereof, and a plurality of receiver fibers, each having ends with a known spatial relationship... Agent: Raymond J. Werner

20080273848 - All-optical logic gates using nonlinear elements claim set v: An all-optical logic gates comprises a nonlinear element such as an optical resonator configured to receive optical input signals, at least one of which is amplitude-modulated to include data. The nonlinear element is configured in relation to the carrier frequency of the optical input signals to perform a logic operation... Agent: Alston & Bird LLP

20080273850 - Optical fiber and optical-fiber transmission line: An optical fiber that transmits a signal light in a fundamental propagation mode has a cutoff wavelength longer than a wavelength of the signal light, a wavelength dispersion of the fundamental propagation mode of −5 ps/nm/km to −1 ps/nm/km at a wavelength of 1550 nanometers, an effective core area of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080273849 - Single mode optical fiber with improved bend performance: Methods and apparatus relate to optical fibers suitable for use in sensing applications exposed to radiation environments. The fibers include a core of pure silica or chlorine doped silica surrounded by a fluorinated silica cladding. These glasses for the core and cladding utilize dopants that resist radiation-induced attenuation. A two... Agent: Patterson & Sheridan, L.L.P.

20080273851 - Waveguide configuration: A waveguide configuration comprising a core, a first cladding, a second cladding, and a buffer. The core includes an index of refraction and an acoustic shear velocity. The first cladding extends about the core and has an acoustic shear velocity which is less than that of the core and an... Agent: Patti, Hewitt & Arezina LLC

20080273852 - Sensing system using optical fiber suited to high temperatures: Remote sensing in an environment having temperatures greater than 300° C., using an optical fiber having a core (10), a cladding (20), and a metallic protective coating (30) on the cladding to protect a surface of the cladding, the cladding having a diameter greater than 150 μm, and a thickness... Agent: Anthony R. Barkume

20080273853 - Optical waveguide: An optical waveguide includes a substrate, a core formed on the substrate and serving as a passageway for light, and a metal film, in which at least a portion of the core is covered with the metal film.... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080273854 - Fiber optic cable distribution box: A fiber optic cable distribution box has an interface compartment for interfacing a first set of fibers when routed inside the compartment, with a second set of fibers associated with a fiber optic cable that is routed to the box. A drum region is disposed beneath the interface compartment. The... Agent: Law Office Of Leo Zucker

20080273855 - Hardened connector system including a translator: Embodiments of the invention include a hardened connector system. The connector system includes a connector plug for terminating an optical fiber, a plug housing for coupling to the optical fiber cable and the connector plug, and a translator for coupling the plug housing and the connector plug to an optical... Agent: Furukawa Electric North America, Inc. (formerly Fitel Usa Corp.)