Optical waveguides inventions 07/08

20080181550 - Thermo-optic waveguide apparatus: Apparatus including a waveguide segment having a cladding that surrounds an optically-transmissive core extending along a path; a heater in thermal communication with the waveguide segment along at least a part of the path; a thermally-conductive substrate; a thermally-conductive base in fixed alignment with the waveguide segment and the thermally-conductive... Agent: Jay M. Brown

20080181551 - Nanowire-based modulators: Various embodiments of the present invention are directed to nanowire-based modulators that can be used to encode information in a carrier channel of electromagnetic radiation. In one embodiment of the present invention, the modulator includes a waveguide configured to transmit one or more channels of electromagnetic radiation. The modulator includes... Agent: Hewlett Packard Company

20080181552 - 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-Tournois (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: Intel/blakely

20080181554 - Brillouin distributed temperature sensing calibrated in-situ with raman distributed temperature sensing: Methods and apparatus for distributed temperature sensing (DTS) along a single mode or multimode optical waveguide or fiber include a calibration of initial Brillouin-based DTS measurements using Raman-based DTS measurements to enable accurate subsequent Brillouin-based DTS measurements. Such calibration may occur while the fiber is deployed in the environment in... Agent: Patterson & Sheridan, L.L.P.

20080181553 - System for monitoring sealing wear: A system for determining at least one condition of a seal including an optical fiber for transmitting light from a light source. The optical fiber is embedded in the seal and operatively coupled to an interferometric system. The interferometric system is operatively coupled to a processor. The interferometric system provides... Agent: Rockwell Automation, Inc./(at)

20080181556 - Waveguide and optical motion sensor using optical power modulation: An optical motion sensing device included a sensor frame defining an opening, a sensor pad disposed in the opening, an optical sensing system adapted to detect an amount of movement of the sensor pad in the sensor frame, and an output unit. The optical sensing system includes an optical waveguide,... Agent: Fish & Richardson P.C.

20080181555 - Well bore sensing: A sensor system for use in a well bore includes a metal-clad fibre-optic cable, the fibre optic cable include one or more Bragg gratings, and each Bragg grating is configured such that a value or change in a physical parameter to be measured results in a measurable value or change... Agent: K.f. Ross P.C.

20080181557 - Apparatus and method for subterranean distribution of optical signals: Systems and methods for subterranean distribution of optical signals on integrated circuits are disclosed. A semiconductor device comprising a multi-layer substrate includes a surface layer and a subterranean layer. Electrical devices are formed in the surface layer. Optoelectronic devices may be formed in the subterranean layer or the surface layer... Agent: Hewlett Packard Company

20080181558 - Electronic and optical circuit integration through wafer bonding: One embodiment in accordance with the invention is an apparatus that can include an optical circuit wafer and an integrated circuit wafer. The optical circuit wafer and the integrated circuit wafer are bonded together by a wafer bonding process.... Agent: Hewlett Packard Company

20080181559 - Single-pole optical wavelength selector: A fiber-optical, wavelength selective switch, especially for channel blocking applications. The input signal is converted to light beams having predefined polarizations relative to the plane in which optical manipulation of the beam is performed. The beams are then preferably laterally expanded in this system plane only, and then spatially dispersed... Agent: Darby & Darby P.C.

20080181560 - Structure for light coupling in heat-assisted magnetic recording: A light-coupling structure in a type of heat-assisted magnetic recording is provided, the structure not needing a separate additional slider or a suspension arm through reduction in variation amounts of coupling due to vibrations, and being realized as a high efficient, low-cost structure with compact size. The light-coupling structure in... Agent: Sughrue Mion, PLLC

20080181561 - Optoelectronic interconnection board, optoelectronic interconnection apparatus, and manufacturing method thereof: An optoelectronic interconnection board on which an optical semiconductor device can be mounted, an optoelectronic interconnection apparatus using the optoelectronic interconnection board, and a manufacturing method thereof are disclosed. According to one aspect of the present invention, there is provided an optoelectronic interconnection board including optical interconnection lines having optical... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080181562 - Optical connector: To extend the service life of a latch of a plug housing and facilitate assembly and aligning operations of an optical connector. The optical connector includes a latch provided in a cantilever form on an external surface of the optical connector and deformable for attachment/detachment with respect to an adaptor,... Agent: Blank Rome LLP

20080181563 - Ferrule transfer method and ferrule holder: Other end of a built-in optical fiber of a ferrule with one end of the built-in optical fiber matched with a splicing end surface and other end of the built-in optical fiber protruded from an end portion opposite to the splicing end surface and one end of a splicing optical... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080181564 - Fiber optic cable having a water-swellable element: Disclosed is a fiber optic cable that includes optical fibers and a water-swellable element, such as a powder-free fabric tape, that are enclosed within a buffer tube. Adhesive material, such as discrete domains of adhesive foam, may be optionally employed to provide adhesive coupling of the optical fibers and the... Agent: Summa, Allan & Additon, P.A.

20080181565 - Optical fiber ribbon core and optical fiber cable: There are provided an optical fiber ribbon and optical fiber cable which suppress the deterioration of polarization mode dispersion and contribute to the increase of communication capacity in wavelength division multiplexing. An optical fiber ribbon includes a plurality of optical fibers 12 tied in a bundle and a ribbon coating... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080181566 - Optical waveguide for touch panel: An optical waveguide for a touch panel which obviates a need for positioning a light receiving optical waveguide portion. The touch panel optical waveguide Al which is to be fitted around a periphery of a display screen of a display of a touch panel, the optical waveguide comprising light emitting... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080181567 - High numerical aperture fiber: An optical fiber comprising: a silica based core having a first index of refraction n1; and at least one silica based cladding surrounding the core, the at least one silica based cladding comprising index lowering non-periodic voids containing a gas, wherein at least 80% of said voids have a maximum... Agent: Corning Incorporated

20080181568 - Cable trough system and method: A telecommunications cable management system includes trough elements including a planar top surface and sides for cable routing and management. The trough elements are made from separate parts assembled together with a mating arrangement. The mating arrangement allows assembly of the system on site, such as by snapping the parts... Agent: Merchant & Gould PC

20080181570 - Multi-drop closure systems and methods for fiber optic cabling: Multi-drop closure systems for fiber optic cabling include an enclosure and a ganged drop plug. The enclosure defines a splice chamber therein and has a main cable access opening and a drop cable access opening into the splice chamber. The drop cable access opening is displaced from the main cable... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20080181569 - Stackable splice chip device: A splice tray arrangement including a tray and a splice chip arrangement. The splice chip arrangement including stackable splice chips defining channels for holding splice elements. Each of the splice chips including a mounting arrangement for mounting the splice chip at a mounting location on the tray, and a stacking... Agent: Attention Of Karen A. Fitzsimmons

20080181571 - Patch panels with communications connectors that are rotatable about a vertical axis: A patch panel configured for mounting to a network rack, includes: a frame including mounting features at opposite lateral ends for mounting the patch panel to the network rack; a bezel mounted to the patch panel, the bezel including a plurality of outlet apertures, and a plurality of communication outlets... Agent: Myers Bigel Sibley & Sajovec

20080175528 - Te-tm mode converter: A TE-TM mode converter is provided which is capable of performing a TE-TM conversion in a wide bandwidth. In a TE-TM mode converter using an electrooptic effect, a waveguide is formed on a substrate using lithium tantalate having a birefringence of about 0.0005 or less. The direction of an optical... Agent: Dickstein Shapiro LLP

20080175527 - Waveguide polarization beam splitters and method of fabricating a waveguide wire-grid polarization beam splitter: A method in effectuating the redirection of light which is propagated within a waveguide, and which eliminates the necessity for a bending of the waveguide, or the drawbacks encountered in directional changes in propagated light involving the need for sharp curves of essentially small-sized radii, which would resultingly lead to... Agent: Scully, Scott, Murphy & Presser, P.c.

20080175529 - Micromachined optical pressure sensor: A pressure sensor including: a deflectable diaphragm including a substantially central boss and channel; and, an optical waveguide having first and second arms, wherein the first arm is substantially aligned with an edge of the boss and the second arm is substantially aligned with an edge of the channel.... Agent: The Plevy Law Firm

20080175531 - Optical integrated device manufacturing process and device manufactured by the process thereof: The invention relates to a process for manufacturing an integrated optical device comprising the deposition on a support substrate of a multilayer being formed by first and second cladding layers in order to hold in a multilayer first region a waveguide core layer. The core is provided with an electromagnetic... Agent: Hogan & Hartson LLP

20080175530 - Photoelectronic wired flexible printed circuit board using optical fiber: A flexible printed circuit board module includes a flexible printed circuit board having a conductive layer in an upper part of the flexible printed circuit board, an optical fiber disposed under the flexible printed circuit board, light propagating through an interior of the optical fiber and a supporting member supporting... Agent: Cha & Reiter, Llc

20080175532 - Plug connector system and protective device for optical plug connectors: An optical plug connector comprises a socket part, adapter part or coupling part with a socket housing for releasable connection to a plug part. An inside of the socket housing defines an inner space, into which a plug portion of the plug part may be introduced. Moreover, a switch device... Agent: Rankin, Hill & Clark LLP

20080175533 - Wavelength multiplexed light source and wavelength multiplexed light source system: A wavelength multiplexed light source using multimode interference is provided. The light source includes an input unit for inputting a plurality of incident lights, input waveguides for individually guiding the incident lights, a multimode waveguide having an input edge connected to the input waveguides so that each incident light is... Agent: Ratnerprestia

20080175534 - 2x2 mechanical optical switch: A 2×2 mechanical optical switch includes a base, four collimators (two input collimators and two output collimators), an ultra thin mirror (double-sided reflection) and a switching mechanism of the mirror. This switch utilizes four collimators, which are arranged 90° with each other on a common plane, to emit and receive... Agent: Hoffmann & Baron, LLP

20080175535 - Two-channel multimode rotary joint: An optical two-channel rotary joint that is also suitable for coupling of single-mode fibers comprises two housing parts that are rotatable relative to each other. Each of these housing parts accommodates a light-waveguide for supplying light and a light-waveguide for withdrawing light. The arrangement has two optical paths adapted to... Agent: Daffer Mcdaniel LLP

20080175536 - Two-channel multimode rotary joint: An optical two-channel rotary joint that is also suitable for coupling of single-mode fibers comprises two housing parts that are rotatable relative to each other. Each of these housing parts accommodates a light-waveguide for supplying light and a light-waveguide for withdrawing light. The arrangement has two optical paths adapted to... Agent: Daffer Mcdaniel LLP

20080175537 - Methods and apparatus for use with optical fibres: An apparatus for performing mode scrambling in a multimode optical fibre 1 comprises an electromechanical transducer 3 and a signal generator 9. A portion of the fibre 1, which is in the form of a loop 5, is arranged with its ends 6 fixed to the transducer 3, but with... Agent: Vierra Magen Marcus & Deniro LLP

20080175538 - Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape: An integrated optical device is disclosed comprising a substrate, optical waveguide, and compound optical resonator having a temperature sensor, at least two coupled optical resonators, and a heater localized to each optical resonator. An optical input signal is coupled to one of the resonators making up the compound resonator to... Agent: Dunlap Codding & Rogers, P.c.

20080175539 - Fiber optic connector for coupling laser energy into small core fibers, and termination method therefor: A transparent ferrule is fused to an end of an optical fiber to increase the coupling area without altering the input numerical aperture of the fiber system. This is accomplished by controlling the length of the area at which the transparent ferrule is fused or welded. In addition, an extended... Agent: Bacon & Thomas, Pllc

20080175540 - Optical connector suitable for field assembly: An illustrative optical connector is disclosed having a first component having a first channel therein; a second component having a second channel therein, wherein the second component is configured to physically mate with the first component such that the first and second channels merge to form a single continuous first... Agent: Banner & Witcoff, Ltd.

20080175542 - Hardened fiber optic adapter: The present disclosure relates to a fiber optic adapter for use with fiber optic connectors. The fiber optic adapter includes a housing having a first axial end portion defining a first adapter port and a second axial end portion defining a second adapter port. The fiber optic adapter further includes... Agent: Merchant & Gould Pc

20080175541 - Hardened fiber optic connector: The present disclosure relates to a fiber optic connector for use with a fiber optic adapter. The fiber optic connector includes a connector housing having an end defining a plug portion. A ferrule assembly is mounted at least partially within the connector housing. The ferrule assembly includes a ferrule located... Agent: Merchant & Gould Pc

20080175543 - Fiber optic buildout converter, physical contact to expanded beam: The device includes a biconical housing, and a ferrule. The biconical housing has an aperture. The ferrule is slidably mounted in the aperture of the biconical housing.... Agent: Karl D. Kovach Senior Patent Attorney

20080175544 - Connector holder, optical - electrical converter with attached connector holder, optical connector fixing structure and connector holder assembly method: A connector holder fixes an optical connector assembled at a leading end of an optical fiber to an optical module having a light input/output end so that the optical fiber and the light input/output end is optically connected. The connector holder is provided with a holding section for storing at... Agent: Sughrue Mion, Pllc

20080175545 - Optical connector suitable for field assembly: An illustrative optical connector is disclosed having a first component having a first channel therein and a first screw thread; a second component having a second channel therein and a second screw thread complementary to and engaged with the first screw thread, wherein the first component is at least partially... Agent: Banner & Witcoff, Ltd.

20080175547 - Apparatus for electro-optical device connection: An optical fiber connector for releasably coupling an optical fiber to an electro-optical module is disclosed. The optical fiber connector includes a housing, a strain relief, a fiber retention clip, and a pair of latching arms. The housing includes a housing bore defined through at least a portion of the... Agent: Marshall, Gerstein & Borun LLP (intel)

20080175546 - Fiber optic connector mechanical interface converter: The present disclosure relates to a backward compatibility converter including a converter housing having a first end positioned opposite from a first second end. The first end of the converter housing includes an end wall defining a first opening. The second end of the converter housing defines a second opening.... Agent: Merchant & Gould Pc

20080175548 - Preconnectorized fiber optic cable assembly: A cable assembly configured to be deployed in a fiber optic communications network includes a pulling grip body disposed at an upstream end of the cable assembly and a preconnectorized distribution cable having a plurality of optical fibers and at least one strength member. The pulling grip body includes a... Agent: Corning Cable Systems Llc

20080175549 - Optical semiconductor device and fabrication process thereof: An optical semiconductor, includes a semiconductor substrate having a (100) principal surface, a waveguide mesa stripe formed on a first region of the semiconductor substrate, the waveguide mesa stripe guiding a light therethrough; a plurality of dummy mesa patterns formed on the semiconductor substrate in a second region at a... Agent: Kratz, Quintos & Hanson, LLP

20080175550 - Fiber optic adapter cassette and panel: An adapter cassette including a housing and a plurality of fiber optic adapters. The fiber optic adapters being angled relative to a front plane defined by the housing. The fiber optic adapters being interconnected to a multi-fiber cable connecter by fiber optic cables located within an interior of the housing.... Agent: Merchant & Gould Pc

20080175551 - Adapter panel with lateral sliding adapter arrays: An adapter panel arrangement including a chassis and a panel of adapters. The adapters defining open rearward cable connections and open forward cable connections of the panel arrangement. The adapters being arranged in arrays that slide independently of other adapter arrays to provide access to the open rearward and open... Agent: Merchant & Gould Pc

20080175552 - Adapter panel with lateral sliding adapter arrays: An adapter panel arrangement including a chassis and a panel of adapters. The adapters defining rearward cable connections and forward cable connections of the panel arrangement. Openings permitting access to the rearward and forward cable connections of the adapters are provided. The chassis further including a removable rear chassis portion... Agent: Merchant & Gould Pc

20080175553 - Axial overpackaging and routing apparatus for optical fiber power splitter devices: Embodiments of the invention include an apparatus for overpackaging and routing of optical fiber power splitting devices, such as planar lightwave circuit (PLC) devices. The apparatus includes an axial overpackage housing with a first end configured as an optical fiber for coupling to the input port of a planar waveguide... Agent: Michael A. Morra

20080175554 - Overhead cable termination arrangement: A system including an overhead cable pathway structure and an adapter panel or cable termination device that mounts overhead to the cable pathway structure. The cable termination device including a plurality of adapters and a cable pathway exit having a curved surface that guides cables exiting from the overhead cable... Agent: Merchant & Gould Pc

20080175555 - Bend limiter: A bend limiter for use with electrical and fiber optic cables that can handle a relatively wide range of side loading without excessive bending is disclosed. The bend limiter is configured to bend at radii which are less than the critical curvature of the cable over a range of loads.... Agent: Tyco Electronics Corporation

20080170818 - Humidity tolerant electro-optic device: The invention relates to an electro-optic modulator structure containing an additional set of bias electrodes buried within the device for applying bias to set the operating point. Thus the RF electrodes used to modulate incoming optical signals can be operated with zero DC bias, reducing electrode corrosion by electro-migration and... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080170820 - Capacitively coupling layers of a multilayer device: A multilayer device includes an electronic device layer, a first electrode associated with the electronic device layer, an optical layer, a second electrode associated with the optical layer, and an insulator layer provided between the first and second electrodes. The first and second electrodes are capacitively coupled to each other... Agent: Hewlett Packard Company

20080170821 - Humidity tolerant electro-optic device: The invention relates to an electro-optic modulator structure containing an additional set of bias electrodes buried within the device for applying bias to set the operating point. Thus the RF electrodes used to modulate incoming optical signals can be operated with zero DC bias, reducing electrode corrosion by galvanic and... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080170819 - Optical element, package substrate and device for optical communication: An optical element of the present invention comprises: one or a plurality of unit elements having a plurality of external electrodes formed on one main surface thereof, wherein upon taking the one main surface of the unit elements in a plan view, the plurality of external electrodes are locally formed... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080170822 - Optical waveguide: An optical waveguide and method of providing that enhances high-speed communication includes a waveguide medium having at least one groove, in which a side wall exposed by the groove is formed inclined with respect to the traveling path of light. A reflection block having a reflection mirror faces the inclined... Agent: Cha & Reiter, LLC

20080170823 - Method and device for optically coupling optical fibres: An optical coupler, the optical coupler being usable with a first optical fibre and a second optical fibre. The second optical fibre defines a second fibre coupling section and a second fibre transmitting section extending from the second fibre coupling section. The second fibre coupling section defines a radially outwardmost... Agent: Louis Tessier

20080170824 - Fiber optic cabling for multi-dwelling unit (mdu) and commercial building deployments: A network provider cable is routed to a splitter box in a multi-dwelling unit or commercial building where the cable fibers are terminated. One or more riser cables, each terminated at one end at the splitter box, are routed through a building shaft. Each riser cable contains fibers associated with... Agent: Law Office Of Leo Zucker

20080170825 - Non-physical contact visual fault locator coupler: The present invention provides a non-physical contact (non-PC) visual fault locator (VFL) coupler that functions with fewer components and reduces handling, and without ferrule-to-ferrule contact, thereby reducing endface wear degradation and other problems. Specifically, the non-PC VFL coupler incorporates an alignment sleeve retainer that includes a connector stop, such that,... Agent: Corning Cable Systems LLC

20080170826 - Misalignment-tolerant optical coupler/connector: A non-imaging optical coupling device for use in i.e., optical communications, laser power delivery, laser radar (lidar), and other applications that is relatively immune from optical misalignment and therefore does not need sophisticated splicing or connectorization apparatus is described.... Agent: David Schaafsma

20080170827 - Optical receptacle, optical sub assembly and optical transceiver: The present invention relates to an optical receptacle which avoids the occurrence of a large impact at the insertion of the terminal member. The optical receptacle comprises a tubular slit sleeve in which a split is made in an axial direction and into which the plug body is introduced from... Agent: Staas & Halsey LLP

20080170828 - Indoor cable assemblies with flexible network access point: An indoor fiber optic cable assembly comprising a flame retardant fiber optic distribution cable comprising at least one network access point at which at least one optical fiber is preterminated, a flame retardant flexible closure substantially enclosing the at least one network access point, and at least one tether secured... Agent: Corning Cable Systems LLC

20080170829 - Optical fiber assemblage: An optical fiber assemblage can maintain a desired shape, and the optical fibers can be interconnected with good efficiency of construction and in small spaces. The optical fiber assemblage has optical fibers arranged in parallel, at least one support wire having shape-maintaining characteristics arranged in proximity to the optical fibers,... Agent: Arent Fox LLP

20080170830 - Photonic band gap fiber and method of producing the same: A photonic band gap fiber is provided having multiple air holes in a silica portion extending in the longitudinal direction of the fiber. The fiber includes a cladding containing an air hole periodic structure in an extended triangular lattice configuration, wherein first rows each having a number of air holes... Agent: Sughrue Mion, PLLC

20080170832 - Cable enclosure assemblies and methods for using the same: A cable enclosure for use with a cable having a lengthwise cable axis, an outer jacket and a transmission media within the outer jacket, includes a housing assembly and a strain relief structure on the housing assembly. The housing assembly defines a chamber and a cable port. The housing assembly... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20080170833 - Fiber optic local convergence points for multiple dwelling units: There are provided fiber optic local convergence points (“LCPs”) adapted for use with multiple dwelling units (“MDUs”) that facilitate relatively easy installation and/or optical connectivity to a relatively large number of subscribers. The LCP includes a housing mounted to a surface, such as a wall, and a cable assembly with... Agent: Corning Cable Systems LLC

20080170831 - Wall-mountable optical fiber and cable management apparatus: Optical fiber and cable management apparatus includes a base for mounting on a wall or other surface at a subscriber premises, and a drum region extending axially upward from the base. The drum region includes an outer cylindrical wall for supporting a length of a first fiber optic cable wound... Agent: Law Office Of Leo Zucker

20080166083 - Compact optical modulator: We present a novel design for an optical differential quadrature phase shift keying modulator comprised of two intensity modulators in a three-arm interferometer.... Agent: Brosemer, Kolefas & Associates, LLC - (lucent)

20080166084 - Optical module and method of making the same and method of adjusting rotation angle of optical fiber: A polarization-maintaining optical fiber takes the attitude of the rotation angle position establishing the maximum extinction ratio in a condition where the polarization-maintaining optical fiber receives no load. Under this situation, the first characteristic curve is derived to present the values of the extinction ratio for various relative rotation angles... Agent: Staas & Halsey LLP

20080166085 - Semiconductor laser module: A receptacle type semiconductor laser module (TOSA) includes a semiconductor laser, a lens, and a fiber stub. The fiber stub has a slantwise cut surface to which a emission light emitted from the semiconductor laser and passing through the lens is incident. The cut surface is arranged in a position... Agent: Young & Thompson

20080166086 - Optical module and method of manufacturing the same: An optical module with a plurality of optical waveguide substrates having element mounting openings and end surfaces which are adhered to each other with an optical adhesive; and a plurality of light deflecting element arrays mounted to the respective element mounting openings of the plurality of optical waveguide substrates, the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080166087 - Modular all-optical cross-connect: An all-optical, optical cross-connect includes first and second pluralities of multiport optical devices. Each of the first plurality of multiport optical devices have at least one input port for receiving a WDM optical signal and a plurality of output ports for selectively receiving one of more wavelength components of the... Agent: Mayer & Williams PC

20080166088 - Optical fiber module, method for manufacturing of optical fiber module, and closure thereof: A dispersion compensating fiber module having a dispersion compensating function has a fiber arranging portion including a plurality of fiber housing portions (housing) which are concentrically disposed and accommodate a dispersion compensating fiber, and a fiber connecting portion connecting the dispersion compensating fibers accommodated in three fiber housing portions.... Agent: Mcdermott Will & Emery LLP

20080166089 - Optical waveguide: An optical waveguide comprises a body (13), the body including an entrance window (9) and an exit window (11) defining an optical path (13) through a cavity. The cavity contains a first fluid (A) and a second fluid (B), with an interface between the first fluid and the second fluid... Agent: Philips Intellectual Property & Standards

20080166090 - Flexible optical interconnection system: An optical connector system assembled from modular components. These components include connector modules that position ferrules for mating and providing fine alignment to fibers. The modules are assembled to support members to form connectors of various sizes. Mounting modules are attached to the support members. Various shaped mounting modules are... Agent: Blank Rome LLP

20080166091 - Polymer composition, plastic optical fiber, plastic optical fiber cable, and method for manufacturing plastic optical fiber: There is provided a polymer composition comprising 5 to 100% by mass of a unit (A) of a lactone compound represented by a general formula (1) and 0 to 95% by mass of a unit (B) of (meth)acrylate as constitutional units, wherein the unit (A) of a lactone compound comprises... Agent: Fitch, Even, Tabin & Flannery

20080166092 - Three color digital gobo system: A system of digitally controlling light output by producing separate control signals for different colors of light. The light is contained in an optical waveguide, either prior to shaping or after shaping. Each of the control signals is coupled to a digitally controlled device which controls the shape of the... Agent: Law Office Of Scott C Harris

20080166093 - Ruggedized deep-sea rov deployment cable: A robust fiber optic cable, which is well suited for harsh environments, such as undersea environments when attached as a tether to a mobile undersea vehicle includes an optical fiber loosely surrounded by an inner containment tube. A suspension fluid is disposed between the inner containment tube and the optical... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080166094 - Bend resistant multimode optical fiber: Bend resistant multimode optical fibers are disclosed herein. Multimode optical fibers disclosed herein comprise a core region and a cladding region surrounding and directly adjacent to the core region, the cladding region comprising a depressed-index annular portion comprising a depressed relative refractive index.... Agent: Corning Incorporated

20080166095 - Fabrication-tolerant waveguides and resonators: An optical waveguide having a core region with a substantially rectangular cross-section with a selected aspect ratio of width to height. Embodiments include devices incorporating the optical waveguide and methods for using the optical waveguide.... Agent: Goodwin Procter LLP Patent Administrator

20080166096 - Optical waveguide for touch panel: An optical waveguide for a touch panel which is arranged for prevention of breakage of bending portions thereof and reduction in light loss. The optical waveguide for a touch panel is configured in a band shape so as to be wrapped around a periphery of a display of the touch... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080166097 - Optical fiber: The present invention relates to an optical fiber for light pulse expansion in which the ratio (β3,β2) of the third derivative β3 to the second derivative β2 is negative, the absolute value thereof is large, and the absolute value of the second derivative β2 is also large. Such an optical... Agent: Mcdermott Will & Emery LLP

20080166098 - Optical module: An optical-waveguide device mounted on a fixing member having a pair of opposing upright walls and a sub-mount unit including a metallic sub-mount of a rectangular solid shape inserted between the opposing upright walls and a nonmetallic sub-mount of a rectangular solid shape mounted on the metallic sub-mount, and fixed... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080166099 - Optical fiber feedthrough using axial seals for bi-directional sealing: An optical waveguide feedthrough assembly passes at least one optical waveguide through a bulk head, a sensor wall, or other feedthrough member. The optical waveguide feedthrough assembly comprises a cane-based optical waveguide that forms a glass plug sealingly disposed in a feedthrough housing. A seal fills an annular space between... Agent: Patterson & Sheridan, L.L.P.

20080159679 - Photonic systems and methods for encoding data in carrier electromagnetic waves: Various embodiments of the present invention are related to photonic systems and methods that can be used to encode data in carrier electromagnetic waves. In one embodiment of the present invention, a photonic system comprises a first waveguide configured to transmit a number of electromagnetic waves. The photonic system includes... Agent: Hewlett Packard Company

20080159680 - Multi-semiconductor slab electro-optic modulator and process for using the same: In one embodiment, the apparatus includes a substrate having a surface and an optical waveguide having a ridge-shaped semiconductor optical core, the ridge-shaped semiconductor optical core being located over the surface. The apparatus may further include a first semiconductor slab being in contact with a first portion of the ridge-shaped... Agent: Hitt Gaines, Pc Alcatel-lucent

20080159681 - Thermo-optic tuning of a multi-directional optical waveguide: Various embodiments provide an apparatus and a method for operating the apparatus. The apparatus, in one embodiment, may include an optical waveguide located over a substrate, the optical waveguide having a first segment and a second segment. The apparatus may further include a single heating element configured to heat both... Agent: Hitt Gaines, Pc Alcatel-lucent

20080159682 - Waveguide modulator and related modulation method: A modulator including a waveguide propagating an electromagnetic wave of given wavelength (λ) with absorption. Means such as an electrical junction enable the residence time of the electromagnetic wave in the guide to be modified. A corresponding modulation method is also provided.... Agent: Brinks Hofer Gilson & Lione

20080159684 - Fiber optic current sensor and method for sensing current using the same: An apparatus for sensing current and a method for sensing current are provided. The apparatus includes an optical fiber having first and second opposing ends and a hollow passageway therethrough, a recirculator configured such that when light propagates from the respective first and second ends of the optical fiber, at... Agent: Honeywell International Inc.

20080159686 - Method for measuring micro displacements: A method for measuring micro displacements generally includes the steps of: (a) providing a micro displacement sensor with a first photonic crystal module with a number of first crystals, a second photonic crystal module with a number of second crystals, a laser, and a detector; the first crystal module and... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080159685 - Micro displacement sensor: A micro displacement sensor includes a first photonic crystal module, a second photonic crystal module, a light source and a detector. The first photonic crystal module includes a first substrate and a plurality of first photonic crystals, disposed on the first substrate and are arranged in a matrix. The first... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080159683 - Optical microresonator: An optical microresonator system and a sensor system incorporating same are disclosed. The optical microresonator system includes an optical waveguide and an optical microcavity that is optically coupled to the optical waveguide. The microcavity is capable of supporting primarily one or more resonant modes. The optical microresonator system further includes... Agent: 3m Innovative Properties Company

20080159687 - Fabry-perot optical sensor and method of manufacturing the same: A Fabry-Perot optical sensor for sensing a parameter such as pressure or the like is provided. The sensor includes a lead optical fiber from the end of which projects a spacer having an end surface curving inwardly. A diaphragm extends across the forward end of the spacer. The diaphragm is... Agent: Mcdermott Will & Emery LLP

20080159688 - Circuit substrate supporting optically and electrically conveyed signals, and method for forming same: A circuit substrate, which supports optically and electrically conveyed signals, and method for forming the same are provided. The circuit substrate includes a substrate upon which one or more electrically conductive traces are formed, where the electrically conductive traces have areas of isolation between adjacent ones of the electrically conductive... Agent: Motorola Inc

20080159689 - Connecting a component with an embedded optical fiber: The invention provides an optical connection between a component on a printed circuit board (“PCB”) and an optical fiber embedded in the PCB. By optically connecting the component with the optical fiber, the component may use the optical fiber for high speed optical data communication.... Agent: Intel/blakely

20080159690 - Layered bending element light switch: A LAYERED BENDING ELEMENT LIGHT SWITCH will be used to turn on or off the light signal in one of two adjacent fiber optic channels by the action of the electric field of the light passing through the channels. LAYERED BENDING ELEMENT LIGHT SWITCH can be made adjacent to each... Agent: Gary Poovey

20080159691 - Multi-channel optical coupling device, electronic equipment, lead frame member, and fabrication method for multi-channel optical coupling device: In one embodiment, in a multi-channel optical coupling device, which is obtained by individually encapsulating a plurality of optical coupling elements within primary packages of light transmitting resin while encapsulating them within a secondary package of light blocking resin, a lead frame is provided with a common lead used to... Agent: Nixon & Vanderhye, Pc

20080159692 - Devices based on optical waveguides with adjustable bragg gratings: A system for filtering light propagating in a waveguide is described. The system utilizes an adjustable periodic grating which induces mode coupling of predetermined frequencies of light propagating in the waveguide.... Agent: Fish & Richardson, Pc

20080159693 - Coupling device: A coupling device including a reflective cavity, at least one light source, and a light guide plate is provided. The reflective cavity has an opening, and includes a top surface, a bottom surface, a first side surface, a second side surface, and an end surface opposite to the opening. The... Agent: J.c. Patents

20080159694 - Lens configurations for optical touch systems: An optical system (21) is disclosed, that includes a plurality of waveguides (10, 14) on a substrate (22) and a unitary collimating lens element (23) adjacent and optically coupled to the waveguides (10, 14) and on the same substrate (22). Methods for producing optical systems (21) and a plurality of... Agent: Miller, Matthias & Hull

20080159695 - Optical element and system using the same: An optical element may include a first diffractive structure having a radially symmetric amplitude function and a second diffractive structure having a phase function. The second diffractive structure may serve as a vortex lens. A system employing the optical element may include a light source and/or a detector.... Agent: Digital Optics Corporation

20080159696 - Optical connector: An optical connector according to the present invention comprises a ferrule and a V-groove board connected to the ferrule, wherein a first optical fiber and a second optical fiber being butt jointed in a V-groove formed in the V-groove board so as to be interconnected; the second optical fiber is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080159697 - Method of manufacturing ferrule assemblies: A method of manufacturing a ferrule assembly. The method including first and second polishing operations. The first polishing operation including polishing only the end face of a ferrule of an assembly. The second polishing operation including polishing only the optical fiber of the assembly.... Agent: Merchant & Gould Pc

20080159698 - Clip connector for use in an optical communication coupling system: An optical communication coupling system (206) for use in a device is provided. The optical communication coupling system (206) includes an optical fiber (208) and a clip connector (302). The optical fiber (208) is capable of conveying light between a first optical communication element (202) and a second optical communication... Agent: Motorola Inc

20080159699 - Optical communication system adapted for receiving an optical signal at a plurality of different positions: An optical communication system (200) for transmitting light between a first housing (102) and a second housing (104) of a device (100) is provided. The first housing and the second housing are adapted to move relative to one another between a plurality of usage positions. The optical communication system includes... Agent: Motorola Inc

20080159700 - Optical transmitting and receiving module holder and optical module: An optical transmitting and receiving module holder includes a first optical module holder section and a second optical module holder section. A lens is integrally formed between an optical fiber attaching section and a photoelectric conversion element housing section in the first optical module holder section. A lens is integrally... Agent: Quinn Emanuel Koda & Androlia

20080159701 - Optical fiber holder: An optical fiber holder automatically corrects the tendency of a buffered optical fiber to bend, can position an optical fiber so as to make contact with the V groove, and can readily perform an operation for positioning the optical fiber. The optical fiber holder includes a base stage having a... Agent: Global Ip Counselors, LLP

20080159702 - Hermetically sealed optical fibre with voids or holes, method of its production, and its use: An optical fibre having an axial direction and a cross section perpendicular to the axial direction, the optical fibre having a first light guiding fibre portion with a cladding region with a plurality of spaced apart cladding voids extending longitudinally in the fibre axial direction and a core region bounded... Agent: Jacobson Holman Pllc

20080159703 - Multi-beam generating device and optical recording device using the same: A multi-beam generating device has plural semiconductor lasers, optical fibers to propagate laser beams generated by the semiconductor lasers, an optical fiber array to propagate the laser beams passed through the optical fibers, and an optical waveguide device provided with waveguides to propagate the laser beams having passed through the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080159704 - Optical fiber and optical transmission medium: The present invention can easily realize an optical fiber and an optical transmission line that can propagate a light in a single mode while lowering a macro-bending loss and a PMD at the same time. An optical fiber 1 according to the present invention includes a cladding region 8 having... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080159705 - Optical fiber array substrate: An optical fiber array substrate 11 has, in one surface thereof eight V-grooves 12 for securing eight optical fibers 14 aligned in parallel to each other, and V-shaped side grooves 13 formed outside of the respective outermost V-grooves 12 located at the opposite sides of the substrate 11. The apexes... Agent: J.c. Patents

20080159706 - Optical fiber comprising a strippable coating and method of stripping one such fiber: The invention relates to an optical fibre having a coating comprising at least two layers (4, 5). The first layer 91) comprises the reaction product of a first composition containing at least one polyether urethane (meth) acrylate oligomer, a first (meth)acrylate monomer and a second (meth) acrylate monomer. The second... Agent: Sughrue Mion, Pllc

20080159707 - Multilayer optic device and system and method for making same: An optic device, system and method for making are described. The optic device includes a first solid phase layer having a first index of refraction with a first photon transmission property and a second solid phase layer having a second index of refraction with a second photon transmission property. The... Agent: General Electric Company Global Research