Optical waveguides inventions 10/07

20070248301 - Surface mount optical coupler, method of mounting the same, and method of producing the same: A surface mount optical coupler includes a silicon substrate; an optical semiconductor device disposed on an upper surface of the silicon substrate; and a short bare fiber formed of vitreous silica. A V-shaped linear groove is formed in the upper surface of the silicon substrate. The V-shaped groove extends from... Agent: Takeuchi & Kubotera, LLP

20070248303 - Optical pulse time spreader: Here Pc is an arbitrary constant, and Pk is an intensity of a triple reflection chip pulse which is output for the k-th time. The formulae (c-1) and (c-2) are the reflectance of the k-th unit diffraction grating when the phase difference between the single reflection chip pulse, which is... Agent: Venable LLP

20070248299 - Monolithic transmitter photonic integrated circuit (txpic) semiconductor chip: A photonic integrated circuit (PIC) chip comprising an array of modulated sources, each providing a modulated signal output at a channel wavelength different from the channel wavelength of other modulated sources and a wavelength selective combiner having an input optically coupled to received all the signal outputs from the modulated... Agent: North Weber & Baugh LLP Carothers, W. Douglas

20070248300 - Optical coupling device and method: A device for optically coupling a first optical element to a second optical element comprises a first optical element with a first radiation penetration surface; a second optical element with a second radiation penetration surface located across from the first radiation penetration surface; and a chamber delimited by the first... Agent: Fitch Even Tabin And Flannery

20070248302 - Dual optical channel monitor assembly and associated methods of manufacture and use: An optical channel monitor assembly for simultaneously measuring the optical power levels of multiple series of dense wavelength division multiplexed channels or the like traveling on separate optical fibers in an optical communications system includes an arrayed waveguide grating router having a first side and a second side, the first... Agent: Clements Walker

20070248304 - Optical connector arrangement: The invention relates to a connector arrangement for optical wave guides for establishing multimedia connections in motor vehicles, e.g. in accordance with the MOST®-Standard wherein a first and a second fiber section are each enclosed by a sleeve and by connecting it fixedly with the sleeve, both sleeves form an... Agent: Molex Incorporated

20070248305 - Cable having internal identifying indicia and associated methods: A cable for ensuring the authenticity thereof and discouraging the unauthorized counterfeiting of the cable may include a cable core and an opaque outer jacket surrounding the cable core. The jacket may include identifying indicia visible on an inner surface of the opaque outer jacket when opened, but visually obscured... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070248306 - Radiation imaging apparatus and large-area fiber plate: The invention provides a fiber plate formed by arranging in mutually adjacent manner plural individual fiber plates of a same thickness so as to provide a light guiding plane larger in area than the light guiding plane of the individual one fiber plate, and a radiation image pickup apparatus utilizing... Agent: Fitzpatrick Cella Harper & Scinto

20070248307 - Transparent light emitting members and method of manufacture: Light emitting members or illuminators in the form of a light guide which may comprise one or more flat optical fibers having a pattern of U shaped notches or grooves in at least one side to cause conducted light to be emitted therefrom. A laser may be used to cut... Agent: Renner Otto Boisselle & Sklar, LLP

20070248308 - Optical field concentrator using multiple low-index nano-layer configuration for cmos compatible laser devices: An optical field concentrator includes a plurality of waveguide layers comprising high index materials having a first defined thickness. At least one nano-layer structure is positioned between said waveguide layers. The at least one nano-layer structure comprises low index materials having a second defined thickness that is smaller than the... Agent: Gauthier & Connors, LLP

20070248309 - Cable trough cover: A cable trough cover assembly and method of assembly including a cover plate and a hinge piece. The cover plate includes a pivot member along at least one edge, and the hinge piece defines a pocket for releasably receiving the pivot member. The pocket and pivot member arrangement allow the... Agent: Attention Of Karen A. Fitzsimmons Merchant & Gould P.C.

20070242921 - Optical near-field generator and near-field optical recording and reproduction apparatus: Decrease in optical near-field intensity is prevented when an light propagating medium made of a high refractive index material, such as a waveguide or a lens, is combined with a scatterer for producing optical near-field. Near the optical near-field generating element, a second light propagating medium is disposed in contact... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070242915 - Coplanar waveguide line: c

20070242916 - Monolithic translation stage device: A monolithic device for determining a translation, the monolithic device being fabricated from a single continuous piece of a glass substrate. The monolithic device comprises at least one frame, a moving platform linked to the at least one frame and an optical transducer. The at least one frame is fabricated... Agent: Eric Jacobson C/o Translume

20070242917 - Etched-facet semiconductor optical component with integrated end-coupled waveguide and methods of fabrication and use thereof: An optical apparatus comprises: a semiconductor substrate; a semiconductor optical device integrally formed on the substrate and having a device end face; and a low-index planar optical waveguide integrally formed on the semiconductor substrate at the device end face. The waveguide is end-coupled at its proximal end to the optical... Agent: Christie, Parker & Hale, LLP

20070242919 - Monolithic transmitter photonic integrated circuit (txpic) with integrated optical components in circuit signal channels: A photonic integrated circuit (PIC) chip comprising an array of modulated sources, each providing a modulated signal output at a channel wavelength different from the channel wavelength of other modulated sources and a wavelength selective combiner having an input optically coupled to received all the signal outputs from the modulated... Agent: North Weber & Baugh LLP Carothers, W. Douglas

20070242918 - Transmitter photonic integrated circuits (txpics) with directly modulated lasers and wavelength selective combiners: A photonic integrated circuit (PIC) chip comprising an array of modulated sources, each providing a modulated signal output at a channel wavelength different from the channel wavelength of other modulated sources and a wavelength selective combiner having an input optically coupled to received all the signal outputs from the modulated... Agent: North Weber & Baugh LLP Carothers, W. Douglas

20070242920 - Fabry-perot tunable filter using a bonded pair of transparent substrates: A tunable Fabry-Perot filter (8, 118, 218, 318, 418) includes substrates (10, 12) with parallel generally planar facing principal surfaces (14, 16) including spaced apart facing reflective surface regions (20, 22) that are at least partially reflective over a wavelength range and define an optical gap (Gopt) therebetween. At least... Agent: Patrick R. Roche, Esq. Fay, Sharpe, Fagan, Minnich & Mckee, LLP

20070242922 - Beam homogenizer, laser irradiation apparatus, and method for manufacturing semiconductor device: A cylindrical lens array cannot be manufactured so that each cylindrical lens has the same radius of curvature and the same accuracy in the surface. Therefore, when the laser annealing is performed using the cylindrical lens array, the beam spots divided by the cylindrical lens array cannot be superposed completely... Agent: Eric Robinson

20070242923 - Suppression of transverse modes in bandgap microstructure optical fibers: An optical fiber comprises core and cladding regions configured to guide the propagation of light (or radiation) in the core region. The cladding region includes a periodic structure configured to produce light guiding by bandgap confinement. In order to suppress higher order odes (HOMs) in the core region, the cladding... Agent: Michael J. Urbano

20070242924 - Directional light homogenizer assembly: An exemplary directional light homogenizer includes a one-piece, hollow hexagonal cross-section tube. The tube has an internal highly light reflective surface. The tube defines a first end configured to receive a non-homogenous light from a light source and a second end configured to output homogenized light. At least one curved... Agent: Robert R. Richardson, P.s.

20070237441 - Method and apparatus for determining frequency-dependent vpi of a mach-zehnder optical modulator: An apparatus for determining Vπ of an optical modulator includes an RF source that generates a variable power RF modulation signal for modulating an optical modulator. An optical detector detects a modulated optical signal generated by the optical modulator and generates an electrical detection signal in response to the detected... Agent: Rauschenbach Patent Law Group, LLC

20070237445 - Tomography system and method of adjusting quality of image obtained by optical tomography system: In an optical tomography system, a polarization changing system which converts linearly polarized light to non-linearly polarized light is provided in at least one of a light source unit, an optical path from the light source unit to a light dividing system, the optical path of the measuring light from... Agent: Sughrue Mion, PLLC

20070237448 - Method for inspecting peeling in adhesive joint: A method is disclosed wherein a portion of a sensor part of an optical fiber sensor is embedded in an adhesive between two joined members, and peeling in an adhesive joint of the two members is detected on the basis of measuring optical characteristics from the optical fiber sensor when... Agent: Birch Stewart Kolasch & Birch

20070237454 - Lens-incorporating optical waveguide, and method for manufacturing the same: A lens-incorporating optical waveguide includes: a core; a clad enclosing the cores; and a lens provided in the core so as to cross a propagating direction of light.... Agent: Oliff & Berridge, PLC

20070237458 - Optical element, mold for the optical element, method for manufacturing the optical element and bidirectional optical communication module: An optical element used in a bidirectional optical communication module used for bidirectional optical fiber communication by a wavelength multiplex system, comprising a diffraction grating of binary structure prepared by molding, wherein a taper is formed at a portion of the diffraction grating where light entering the diffraction grating is... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070237460 - Hollow core optical ring resonator sensor, sensing methods, and methods of fabrication: The present invention is directed to hollow core optical ring resonators (HCORRs), methods of fabricating HCORRs, and methods of using HCORRs in sensing applications. In particular, the evanescent field and whispering gallery modes of the HCORRs may be used to detect a target analyte within the hollow core of the... Agent: Polsinelli Shalton Flanigan Suelthaus PC

20070237466 - Horseshoe spring for securing an optical nosepiece during optical alignment: A system for retaining an optical subassembly in a shell of a communications module is disclosed. The system reduces stress imposed on a hermetic package of the optical subassembly during lead interconnection procedures while ensuring thermal contact of the package with a thermal pad mounted in the shell. In one... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070237443 - Method and apparatus for modulation using a conductive waveguide: Method and apparatus for modulation of both the intensity and the polarization of radiation in silicon waveguides by applying a biasing voltage to the waveguide.... Agent: Goodwin Procter LLP Patent Administrator

20070237442 - Transparent conducting components and related electro-optic modulator devices: New electro-optic (EO) phase modulator devices and geometries, as can be constructed using a transparent conductive component.... Agent: Reinhart Boerner Van Deuren S.c. Attn: Linda Kasulke, Docket Coordinator

20070237444 - Propagation delay variation for a distributed optical modulator driver: Propagation delay variations for a distributed optical modulator driver are described. In one example, a system includes a signal distribution network, a plurality of output driver stages coupled to the signal distribution network, a waveguide coupled to the outputs of the output drive stages to receive a voltage across the... Agent: Blakely Sokoloff Taylor & Zafman

20070237446 - Optical element, manufacturing method thereof, and optical device: A photoinduced refractive-index changing region is formed by irradiating while focusing a single beam of pulse laser light having an energy amount to cause a photoinduced change in refractive index onto a light guide of an optical element such as a lens, a mirror, a diffraction grating, a polarizer, or... Agent: Hogan & Hartson L.L.P.

20070237447 - Polarization modulation interrogation of grating-coupled waveguide sensors: An optical interrogation system and a GCW sensor are described herein that are used to determine whether a biological substance (e.g., cell, molecule, protein, drug) is located in a sensing region of the GCW sensor. The optical interrogation system includes a light source, a polarization modulator and a detection system.... Agent: Corning Incorporated

20070237450 - Optical component for free-space optical propagation between waveguides: An optical component may comprise a horizontal member with two side walls and a substantially transparent end wall protruding from the horizontal member. The end wall, side walls and horizontal member may partially enclose an interior volume, and optical functionality is imparted in any suitable manner on at least a... Agent: Christie, Parker & Hale, LLP

20070237449 - Optical module, optical transmission system, and fabrication method for optical module: An optical module includes a substrate, one or a plurality of planar optical devices mounted on the substrate, and a waveguide block including one or a plurality of curved waveguides formed on a plane. The waveguide block is mounted on the substrate such that the plane on which the curved... Agent: Kratz, Quintos & Hanson, LLP

20070237451 - Multi-unit planar lightwave circuit wavelength dispersive device: A multi-unit wavelength dispersive optical device includes a plurality of independent planar lightwave circuit (PLC) wavelength dispersive optical devices in a single device in which a plurality of independent front and backend units can utilize the same dispersion platform and share the same opto-mechanics and packaging.... Agent: Teitelbaum & Maclean

20070237452 - Single fiber links for full duplex aircraft data network: A method for creating a full duplex fiber optic network using one single fiber optic cable of the multimode fiber type for simultaneous transmission and reception is described. The method includes the steps of equipping end user devices and switches with bidirectional transceivers utilizing multi-frequency lasers, allocation of wavelengths to... Agent: John S. Beulick (24691) Armstrong Teasdale LLP

20070237453 - Optical coupler devices, methods of their production and use: The present invention relates in general to coupling of light from one or more input waveguides to an output waveguide or output section of a waveguide having other physical dimensions and/or optical properties than the input waveguide or waveguides. The invention relates to an optical component in the form of... Agent: Buchanan, Ingersoll & Rooney PC

20070237455 - Multiplexing optical system: A multiplexing optical system includes collimator lenses, a first condensing lens, a second condensing lens and an optical fiber. The collimator lenses collimate divergent laser beams that have been emitted from semiconductor lasers. The first condensing lens condenses laser beams transmitted through the collimator lenses in only one of a... Agent: Sughrue Mion, PLLC

20070237456 - Optical assemblies for free-space optical propagation between waveguide(s) and/or fiber(s): An optical apparatus comprises segments of a GRIN optical medium mounted on a substrate in at least one groove thereon. The GRIN segments are longitudinally spaced apart from one another on the substrate, and are arranged so that a free-space optical beam received through the distal end face of the... Agent: Christie, Parker & Hale, LLP

20070237457 - Grating apodization technique for diffused optical waveguides: An optical channel waveguide having a reflection grating and a related method for its fabrication. The grating is apodized to provide a desired reflection or transmission spectral characteristic, by varying the grating width along the length of the grating in the direction of light propagation. The grating has multiple parallel... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20070237459 - Connector device for coupling optical fibres, and method of production thereof: A connector device for coupling non-aligned optical fibres (19, 20), in which light is directed from one fibre to another by a reflector (12) and lenses (13, 14) and the positional relationship between the ends of the optical fibres and the reflector is determined by means (31, 32, 33) for... Agent: Baker & Daniels LLP

20070237461 - Optical connector arrangement comprising a converter: The invention relates to an optical connector arrangement wherein the connector and the converter are connected by short plastic fibre sections. The aim of the invention is to provide one such connector arrangement which can be produced in a simple and cost-effective manner, can be easily and economically mounted on... Agent: Reising, Ethington, Barnes, Kisselle

20070237463 - Active optical cable with integrated eye safety: An active cable that is configured to communicate over much of its length using one or more optical fibers, and that includes an integrated electrical connector at at least one end. The active cable includes an integrated eye safety controls to thereby reduce the chance of injury should the active... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070237462 - Active optical cable with integrated power: An active cable that is configured to communicate over much of its length using one or more optical fibers, and that includes an integrated electrical connector at at least one end. The active cable includes a power transmission spanning the length of the optical fiber(s). Thus, electrical power from one... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070237464 - Electrical-optical active optical cable: An active cable that includes an integrated electrical connector at one end and an optical connector at the other end, and one or more optical fibers disposed therebetween to facilitate optical communication over much of the length of the active cable. The communication may be one direction or even duplex.... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070237465 - Single fiber bidirectional optical module and single fiber bidirectional optical transmission and receiver device: A metal chassis including a laser diode (LD) and a photodiode (PD) is held at a receiver ground RG, which is the potential of the anode or the cathode of the PD. Meanwhile, a receptacle for removing an optical fiber is held at a frame ground FG of a separate... Agent: Fish & Richardson P.C.

20070237467 - System and method for performing and protecting hybrid line splices: A method for providing a protected splice in a hybrid cable that has a fiber optic line and an electrical line includes the steps of providing an optic splice in the fiber optic line; providing a electrical splice in the electrical line proximate to the optic splice; connecting a tube... Agent: Schlumberger Reservoir Completions

20070237468 - Active optical cable electrical adaptor: An adaptor that mechanically and/or electrically adapts to and/or from an electrical connector that is integrated with an active cable at one end of an active optical cable, wherein the optical cable is configured to communicate over much of its length using one or more optical fibers. The cable may... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070237469 - Electric submarine power cable and system for direct electric heating: The present invention relates to an electric submarine power cable, in particular for use in hydrocarbon pipeline heating systems and adapted to be installed as a piggyback cable (12) on said pipelines (10), comprising a multi-wire stranded conductive core (2) with an outer insulation (4) and at least one outer... Agent: Sofer & Haroun LLP.

20070237472 - Active optical cable electrical connector: An electrical connector that is integrated within an active cable at one end of the active cable, wherein the active cable is configured to communicate over much of its length using one or more optical fibers. The cable may be an electrical to optical cable, and electrical to electrical cable,... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070237470 - Active optical cable with electrical connector: An active cable that communicates over much of its length using one or more optical fibers, but which includes at integrated electrical connector at least one of its ends. The cable may be an electrical to optical cable, and electrical to electrical cable, or one of many other potential configurations.... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070237471 - Active optical cable with integrated retiming: An active cable that is configured to communicate over much of its length using one or more optical fibers, and that includes an integrated electrical connector at at least one end. The active cable includes an integrated retiming mechanism. Thus, multiple links of cable may be used while reducing the... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070237474 - Medical inspection device: A medical inspection device. A housing includes a transparent plate and a first opening. A reflective layer is formed in the housing and opposes the transparent plate. The first opening is between the reflective layer and the transparent plate. A grip is connected to the first opening and extends in... Agent: Quintero Law Office, PC

20070237475 - Laser annealing apparatus: A laser annealing apparatus comprises a laser oscillator having a Q switching action, one or a plurality of partially reflective mirrors for split a laser beam emitted from the laser oscillator into a plurality of laser beams, a plurality of optical fibers which respectively transmit the plurality of laser beams... Agent: Sughrue Mion, PLLC

20070237473 - Light source orientation detector: Apparatus including: an optical waveguide bundle including a plurality of optical waveguides substantially aligned along a waveguide bundle axis, each optical waveguide having a longitudinal core configured to transmit light; a plurality of the optical waveguides each including a Bragg reflector, the Bragg reflectors configured to couple light incident from... Agent: The Eclipse Group

20070237476 - Lithium niobate coated optical fiber apparatus and method: An optical fiber sensor having a central core, a cladding layer disposed about the central core, and a thin film of lithium niobate positioned between the core and the cladding layer. Each of the cladding layer and the central core are made from glass materials having different indices of refraction.... Agent: Bond, Schoeneck & King, PLLC

20070237477 - Highly dispersive dispersion compensating fiber for transmission fiber and transmission system utilizing same: A dispersion compensating optical fiber is disclosed which is highly dispersive and which has a low effective area. The dispersion compensating optical fiber is suited for use with transmission optical fiber such as conventional single mode fiber. An optical transmission fiber and optical transmission system are also disclosed.... Agent: Corning Incorporated

20070237479 - Surface emitting device and method for fabricating the same: A surface emitting device using a photonic crystal includes: a two-dimensional slab type photonic crystal structure including a first dielectric layer and a second dielectric layer formed on top of the first dielectric layer wherein a plurality of air holes in a two-dimensional lattice pattern are formed on the surface... Agent: Cantor Colburn, LLP

20070237480 - Method for fabricating thick film alumina structures used in high frequency, low loss applications and a structure resulting therefrom: A method for fabricating thick film alumina structures used in high frequency, low loss applications is provided. More particularly, the invention is directed to a co-fire process for fabricating, or laminating, thick film structures to one another by printing a conductor layer between two thick film circuits, drying the layer,... Agent: Fay Sharpe/lucent

20070237481 - Wavelength converting devices: A wavelength converting device 1 has a ferroelectric layer 6 made of a ferroelectric material. The ferroelectric layer has a wavelength converting portion A having a ridge-type optical waveguide 7, additional portions A and B provided in both sides of the wavelength converting portions, respectively, and groove-forming portions C and... Agent: Burr & Brown

20070237478 - Zero index material omnireflectors and waveguides: We have shown that a single layer of a 3D Zero Index Material (ZIM) has omnidirectional reflection properties. In the range between the electric plasma frequency and the magnetic plasma frequency, ZIM reflect radiation for all angles of incidence and polarization with reflectivities of ˜99%. In addition, with increasing angles... Agent: Department Of The Army Legal Office

20070237482 - Trapezoidal ridge waveguide oriented away from <110> direction: According to embodiments of the present invention, an optical device includes a ridge waveguide having the ridge oriented on the waveguide core layer at an angle away from the <110> direction of the (100) plane of (100) Indium Phosphide substrate. The ridge waveguide may be a laser diode, a Mach-Zehnder... Agent: Blakely Sokoloff Taylor & Zafman

20070237483 - Optical amplifier and fabrication method thereof: An optical amplifier including an optical waveguide layer (for example channel-shaped optical waveguide layer) including Pb1-xLax(ZryTi1-y)1-x/4 O3 (PLZT: 0<x<0.3, 0<y<1.0) doped with a rare earth element at an amount of 0.2 mol % to 11.0 mol %, the optical waveguide layer (for example channel-shaped optical waveguide layer) being formed as... Agent: Knobbe Martens Olson & Bear LLP

20070237485 - Optical fiber rewinding apparatus: Disclosed herein is an optical fiber rewinding apparatus that is configured to readily adjust an amount of an optical fiber to be rewound and to automatically perform processes of rewinding the optical fiber and taping an optical fiber roll thus rewound. The optical fiber rewinding apparatus in accordance with the... Agent: Bruce E. Lilling Lilling & Lilling PLLC

20070237484 - Universal bracket for mounting a drop terminal: The present disclosure relates to a drop terminal mounting system for use in a fiber optic network. The drop terminal mounting system includes a drop terminal having a drop terminal housing to which a plurality of fiber optic adapters are mounted. The fiber optic adapters have exterior ports that are... Agent: Merchant & Gould PC

20070237486 - Optical attenuator: A tilting mirror MEMS variable optical attenuator attenuates light over a band of wavelengths with minimum wavelength dependent loss. The attenuator includes a lens that has a wedged input face and is made from a material that has high dispersion. The lens design causes different wavelengths to travel different paths... Agent: Morrison Ulman WoodsideIPGroup

20070237490 - Fiber coupled artificial compound eye: A multiple aperture array, wide angle imaging system incorporates compound refractive optics modeled after the eyes of insects. The system channels light through the apertures of a convex spatial filter and a pair of lenslet arrays hot press molded on a positive meniscus form. The lenslets act as afocal Keplerian... Agent: Francis M. Reininger

20070237489 - Grounding a printed circuit board in a transceiver module: A transceiver module that utilizes an apparatus for providing chassis ground to a printed circuit board located within a connector structure of the transceiver module. In one example embodiment, a ground clip for use in a transceiver module includes a cross-arm, a pair of arms connected to the cross-arm, a... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070237487 - Computer bag: A computer bag includes a layer of soft buffering piece disposed on inner/outer surface of the bag. The soft buffering piece consists of a surface layer, a middle layer and a bottom layer. The soft buffering piece includes a surface layer made from elastic textile such as Lycra, a middle... Agent: Troxell Law Office PLLC

20070237488 - Conductive transparent material, manufacturing method thereof and display device comprising the same: A method of manufacturing a conductive transparent material comprises providing a nano particle which comprises a core having a conductive polymer and a shell surrounding at least a part of the core and comprising a first transparent polymer; providing a mixture by mixing a base powder comprising a second transparent... Agent: Cantor Colburn, LLP

20070230856 - Variable light controlling device and variable light controlling method: A variable light controlling device comprising a substrate, an optical waveguide disposed on the substrate, a first heater and a second heater to change the optical waveguide's temperature is fabricated. And a total amount of the power supplied to the first and the second heater, or a total amount of... Agent: Sughrue Mion, PLLC

20070230857 - Hermetic seal device for polarization-maintaining optical fiber and hermetic seal partition: A hermetic seal device for a polarization-maintaining optical fiber is provided. The hermetic seal device includes a polarization-maintaining optical fiber and a cylindrical member to be inserted by the polarization-maintaining optical fiber, where the cylindrical member has the difference 3×10−6/K or less in expansion-coefficient absolute value between the polarization-maintaining optical... Agent: Bell, Boyd & Lloyd, LLP

20070230859 - Fiber optic probe: A fiber optic probe for detecting the presence or absence of one or more substances within a medium. The probe comprises at least one illuminating optical fiber for guiding excitation light from a light source to be launched from an end face of the illuminating optical fiber. A film or... Agent: Spencer, Fane, Britt & Browne

20070230864 - Optical switch system: An optical switch system has a plurality of micro mirrors arranged in a plane, and an angle of each of the micro mirrors can be controlled for reflecting an optical signal entered from one or more input ports so that the reflected optical signal enters a selected output port of... Agent: Bingham Mccutchen LLP

20070230867 - Tunable optical add/drop multiplexer: The tunable add/drop multiplexer including a tiltable mirror, a fixed thin film filter, and first and second retro-reflector elements for redirecting express channels back out an input/output port and for redirecting drop channels back out an add/drop port, respectively.... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070230871 - Planar lightwave filter with mixed diffraction elements: A planar lightwave circuit including a slab waveguide, with a plurality of different diffraction filtering elements optically coupling a plurality of input and output ports, provides various optical functionalities including multiplexing, demultiplexing, diplexer and triplexer. In the basic configuration one or more output ports are optically coupled to an input... Agent: Teitelbaum & Maclean

20070230872 - Optical power monitor: An optical power monitor capable of being reduced in size even when designed as a multi-channel monitor, and having a reduced light transmission loss is disclosed. The optical power monitor has two optical fibers provided on the light transmission upstream and downstream sides and having cores, the end surfaces which... Agent: Sughrue Mion, PLLC

20070230874 - Fiber adapter and shutter member thereof: A fiber adapter includes a housing having a plurality of side walls that define a receiving recess for mating with a fiber connector, and a shutter member that includes a clip portion having opposing first and second ends, the first end provided with a clip recess attached to one of... Agent: Pepper Hamilton LLP

20070230875 - Optical communication module and manufacturing method thereof: There is provided an optical communication module including a receptacle that has an optical element therein and a brim portion, a chassis on which the receptacle is mounted, and a jig into which the receptacle is inserted, that has an opening smaller than the brim portion, and that presses the... Agent: Kratz, Quintos & Hanson, LLP

20070230854 - Integrated active electrical waveguide for optical waveguide modulators: An integrated active electrical waveguide is described for optical waveguide modulators. The active waveguide may include an optical waveguide, a plurality of modulators integrated into the waveguide to modulate the index of refraction of the waveguide, and a plurality of local amplifiers, each coupled to a modulator.... Agent: Blakely Sokoloff Taylor & Zafman

20070230855 - Thermally tunable optical dispersion compensation devices: Thermally tunable optical dispersion compensation (ODC) devices are disclosed. In one aspect, an ODC device may include multiple Gires-Toumois (G-T) etalons. The etalons may be optically coupled together. The etalons may compensate for optical dispersion by collectively delaying light. At least one of the G-T etalons may have a temperature... Agent: Blakely Sokoloff Taylor & Zafman

20070230858 - Integratable optical isolator in a mach-zehnder interferometer configuration: A method of operating an optical isolator having first and second optical splitter-combiners disposed within a semiconductor die. The optical splitter-combiners are coupled together into an interferometer configuration by first and second waveguide sections also disposed in the semiconductor die. A non-reciprocal optical phase shift element is disposed within the... Agent: Intel/blakely

20070230861 - Laser inscribed structures: An optical fiber or waveguide having a core and a cladding, the fiber/waveguide including a modified region or regions with a modified optical property that differs from the surrounding optical fiber/waveguide, wherein the cross sectional area of the modified region(s) is considerably smaller than the cross sectional area of the... Agent: Law Office Of James Trosino

20070230860 - Lithium-niobate fiber optic sensor and system: The present invention pertains to Lithium-Niobate fiber optical sensors (“LNCF”) and systems for detection of load or pressure and strain or deformation changes that occur in a host material. The host material can be a component of a system, such as a part of a bridge, or a selected material,... Agent: Bond, Schoeneck & King, PLLC

20070230862 - Module to couple to an electrical and an optical backplane in a chassis: A chassis includes a plurality of slots to receive modules. The chassis includes an electrical backplane to couple to a module received in a first slot of the plurality of slots. The module to couple via a first communication interface on the module. An optical backplane is also included in... Agent: Intel Corporation C/o Intellevate, LLC

20070230863 - Optical/electrical circuit interconnect board and evaluation method therefor: An optical/electrical interconnect board includes a base material composing an electrical circuit; a plurality of light receiving/emitting units, each of the units being constituted by a light emitting element and a light receiving element packaged on the base material; and an optical fiber tape that connects the light emitting element... Agent: Sughrue Mion, PLLC

20070230865 - Optical switches and actuators: An optical switch comprises one or more input ports for directing an optical beam into the switch; dispersive means configured to receive said optical beam and which spatially separate the optical beam into individual wavelength components which are routed to an actuator; wherein the actuator is in the form of... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070230868 - Optical reflector, optical system and optical multiplexer/demultiplexer device: An optical reflector according to the present invention comprises a first and second optical fiber 14, 16, each being connected to one side of an optical propagating region such as a rod lens 12 causing optical strength distributions depending on respective wavelengths of lights to be propagated in the optical... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070230866 - Thermally tunable optical dispersion compensation devices: Optical dispersion compensation (ODC) devices are disclosed. In one aspect, an ODC device may include first and second groups of optical resonator devices coupled together to compensate for optical dispersion by collectively delaying light. The first group of optical resonator devices may have a first group delay curve with a... Agent: Blakely Sokoloff Taylor & Zafman

20070230869 - Reflector arrangement: The invention relates to a reflector arrangement comprising a reflector and a light guide. It is characterized in that the use of film hinges permits simpler and lower-cost assembly than has heretofore been possible with comparable reflector arrangements.... Agent: Fish & Richardson PC

20070230870 - Method of coupling light into microresonators: A method of making a microresonator device includes the steps of providing at least a first substrate and providing a waveguide integrated on the substrate. The waveguide includes a core and a metal cladding layer on at least part of one boundary of the core. Another step is positioning a... Agent: 3m Innovative Properties Company

20070230873 - Broadband optical via: A broadband optical via provides a low loss interconnection between waveguides in two vertically adjacent planar waveguiding layers. Two waveguides, one in each planar layer, evanescently interact over an interaction length, and substantially all of the power on one waveguide is transferred to the second waveguide. The relative detuning between... Agent: North Weber & Baugh LLP Carothers, W. Douglas

20070230876 - Device and method for data transmission between structural units connected by an articulated joint: A device for transmitting data between two structural units connected to one another by an articulated joint has a long service life which permits a high transmission rate in conjunction with particularly small dimensions. The first structural unit includes a first optoelectronic component and the second structural unit includes a... Agent: Edell, Shapiro & Finnan, LLC

20070230877 - Coexistent optical-electrical connector: A coexistent optical-electrical connector having an insulating housing, an optical-electrical identity module, a multiple of electrical signal terminals and an optical-electrical transform module is provided. The insulating housing comprises an insertion hole, a chamber, and a multiple of plugging grooves. The insertion hole is connected through to the chamber. The... Agent: Jianq Chyun Intellectual Property Office

20070230878 - Optical transceiver installing bi-directional optical sub-assembly: The present invention is to provide an optical transceiver that installs a bi-directional optical sub-assembly. The bi-directional sub-assembly is installed within the transceiver and fixed by the holder with a pair of legs put the sub-assembly therebetween. By press-fitting these legs into respective pockets provided in the side of the... Agent: Venable LLP

20070230879 - Armored fiber optic cable having a centering element and methods of making: Armored fiber optic cables and methods for making are disclosed that include an armor layer generally surrounding a fiber optic cable that includes at least one optical waveguide and a cable jacket. The cable jacket has an outer diameter and armor layer has an inner surface, wherein a gap exists... Agent: Corning Cable Systems LLC

20070230880 - Telecommunications cable jacket adapted for post-extrusion insertion of optical fiber and methods for manufacturing the same: The present disclosure relates to a telecommunications cable having a jacket including a feature for allowing post-extrusion insertion of an optical fiber or other signal-transmitting member. The present disclosure also relates to a method for making a telecommunications cable having a jacket including a feature for allowing post-extrusion insertion of... Agent: Merchant & Gould PC

20070230881 - Optical fiber fabrication: The invention relates to a bundle of optical fibers and a process for its preparation, wherein at least two of the optical fibers are at least partly attached to each other lengthwise by means of a removable longitudinal bridging element. Typically, the bridging element is an open one-hole capillary.... Agent: Young & Thompson

20070230882 - All-optical polarization rotation switch using a loop configuration: All-optical polarization rotation switch is disclosed. A linearly polarized probe light is split by a polarization beam splitter (PBS) into two orthogonal linear polarization components, which are coupled with respective ends of a nonlinear optical fiber in loop configuration. A linearly polarized control pump light is launched into one direction... Agent: Staas & Halsey LLP

20070230883 - Spiral multilayer fibers: A spiral wound fiber that includes birefringent interfaces is useful in different optical devices. One type of wound fiber includes at least first and second material layers. At least one of the layers is polymeric and at least one of the layers is birefringent. The spiral wound fiber may be... Agent: 3m Innovative Properties Company

20070230885 - Extended triangular lattice type photonic bandgap fiber: An extended triangular lattice type photonic bandgap fiber, includes a cladding and a capillary core, the cladding having a plurality of holes disposed within a silica glass portion in a longitudinal direction of the fiber and arranged in an extended triangular lattice shape, the capillary core having a plurality of... Agent: Sughrue Mion, PLLC

20070230884 - Method and apparatus for optical delivery fiber having cladding with absorbing regions: Apparatus and method for distributed absorption of pump light over a length of delivery fiber that is, for example in some embodiments, fusion spliced to an end of a multiply clad gain fiber that has significant unused pump light at the end of the gain fiber. In some embodiments, this... Agent: Lemaire Patent Law Firm, P.l.l.c.

20070230886 - Ridge and mesa optical waveguides: Apparatus including: a substrate layer having a substantially planar top surface; an optically conductive peak located and elongated on, and spanning a first thickness measured in a direction generally away from, the top surface; the optically conductive peak having first and second lateral walls each including distal and proximal lateral... Agent: The Eclipse Group

20070230888 - Cable exit trough with insert: A cable exit trough defining an insert aperture for receiving a modular cable management inserts. The modular insert providing an additional cable management device such as a curved guidewall. The cable management device may alternatively be fixed to the cable exit trough. Removable snap-mounted flanges may also be included in... Agent: Merchant & Gould PC

20070230887 - 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

20070230889 - Plug-in unit: A plug-in unit to be installed in a subrack and including on a front face at least one optical interface to which a fiber optic cable is connected includes an extra fiber optic cable length handling mechanism, positioned on the front face below the optical interface, for handling the fiber... Agent: Bingham Mccutchen LLP

20070230891 - Fiber demarcation box with cable management: A telecommunications optical fiber distribution system is disclosed. The system comprises a support structure with an upper end, a lower end, a front side, a rear side, and a longitudinal axis. An input cable carrying an input signal and an output cable carrying an output signal is received into the... Agent: Attention Of Alpaslan Sapmaz Merchant & Gould P.C.

20070230890 - Packaging method of optical fiber and optical fiber: There is provided a packaging method of an optical fiber capable of performing a heavy hydrogen treatment during packing and storing easily and at low cost without a conventional grand processing apparatus. The packaging method includes: receiving an optical fiber 1 wound on an optical fiber bobbin 5 within a... Agent: Mcginn Intellectual Property Law Group, PLLC

20070230892 - Cable exit trough with cover: A cable exit trough with pivoting cover. The cover having a cover plate and a pivot plate hingedly mounted thereto for easy access to the trough. The exit trough may define an insert aperture for receiving modular cable management inserts. The modular insert providing an additional cable management device such... Agent: Attn: Steven C. Bruess Merchant & Gould P.C.