Optical waveguides inventions 12/06

20060291766 - Biosensor substrate structure for reducing the effects of optical interference: A biosensor substrate structure is provided that eliminates the effects of optical interference of light reflected from a substrate/air interface with light reflected by the biosensor's active surface by incorporating a roughened or “non-specular” surface on the lower surface of the substrate opposite the grating. One can generate a useful... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20060291767 - Fiber optic damage detection system for composite pressure vessels: An optical fiber wound onto an exterior surface of a composite structure in a two-dimensional pattern and adhered thereto to detect damage to the structure caused by impacts to or handling of the composite structure.... Agent: Klein, O'neill & Singh, LLP

20060291768 - Optical fiber sensors based on pressure-induced temporal periodic variations in refractive index: A optical fiber sensor for measuring temperature and/or pressure employs temporally created long period gratings. The gratings may be produced by a periodic change in the refractive index of the fiber along the fiber longitudinal axis caused by periodically spaced compressive and/or expansive forces or by spaced-apart unbalanced forces that... Agent: Dla Piper US LLP Attn: Patent Group

20060291769 - Light emitting source incorporating vertical cavity lasers and other mems devices within an electro-optical addressing architecture: A light source device and method of operating the light source device. The light source device comprising a support substrate, a plurality of light emitting etch structures placed in a matrix on the support substrate forming a plurality of rows and columns of the light emitting etch structures, a plurality... Agent: Pamela R. Crocker Patent Legal Staff

20060291770 - Multi-directional optical element and an optical system utilizing the multi-directional optical element: Multi-directional optical elements are disclosed that include a body having a first side having a first curvature, a second side having a second curvature, a third side having a third curvature, and a fourth side having a fourth curvature. The second side is disposed generally opposite the first side along... Agent: 3m Innovative Properties Company

20060291771 - Methods and apparatus to mount a waveguide to a substrate: Methods and apparatus to mount an optical waveguide to a substrate are disclosed. A disclosed method involves providing a substrate having a first layer and a second layer. The first layer includes at least one alignment fiducial and the second layer covers the at least one fiducial. At least a... Agent: Hanley, Flight & Zimmerman, LLC

20060291772 - Analytical system and method for analyzing nonlinear optical signals: The invention relates to a method for the ultrasensitive simultaneous measurement of nonlinear optical emission signals in one or two local dimensions. Said method comprises the following steps: the excitation light is irradiated in a power-modulated or pulse-modulated form from at least one light source into an interactive volume or... Agent: Bayer Material Science LLC

20060291773 - Wavelength-selective 1xn² switches with two-dimensional input/output fiber arrays: A 1×N2 wavelength selective switch (WSS) configuration in which switch elements are configured in a way that enables the input or output fibers to be arranged in a two-dimensional (2D) array. By employing 2D arrays of input/output channels, the channel count is increased from N to N2 for wavelength selective... Agent: John P. O'banion O'banion & Ritchey LLP

20060291774 - Foil display: A display device comprising a light guide (12), a back plate (14), a flexible element (15) arranged in between said light guide (12) and said back plate (14), and addressable electrodes (23) for inducing electrostatic forces on said element (15) a for bringing selected portions of said element (15) into... Agent: Philips Intellectual Property & Standards

20060291775 - Method and apparatus for spectrum deconvolution and reshaping: A method and apparatus for filter spectrum deconvolution and reshaping include providing a filter output of a spectrum signal and determining the intensity and wavelength of the spectrum signal at each spectral peak. The filter output is characterized as an integral of convolution of a spectrum signal function and a... Agent: The Law Offices Of Mikio Ishimaru

20060291776 - Wavelength-division-multiplexed passive optical network using wavelength-locked optical transmitter: Disclosed is a wavelength-division-multiplexed passive optical network using a wavelength-locked optical transmitter. The wavelength-division-multiplexed passive optical network (WDM PON) includes a central office, which includes a plurality of downstream optical transmitters for outputting downstream optical signals having wavelengths according to downstream injection lights, a wavelength division multiplexer including a plurality... Agent: Cha & Reiter, LLC

20060291778 - Optical device and method for manufacturing the same, optical module, and optical transmission device: Exemplary embodiments of the present invention provide optical devices including optical members whose disposed positions, shapes and sizes are excellently controlled, and methods for manufacturing the same, and to provide optical modules and optical transmission devices that include the aforementioned optical devices. An optical device of the exemplary embodiments of... Agent: Oliff & Berridge, PLC

20060291777 - Optical waveguide structure, optical module and lens array: Disclosed is an optical waveguide structure capable of keeping intervals between the structure and optical elements within a certain range. When arranging a surface light emitting element and a surface light receiving element on a positioning plate provided on a substrate, elastic layers are provided between the elements and the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20060291779 - Optimized grating based biosensor and substrate combination: A grating-based biosensor is disclosed where the biosensor is constructed and arranged such that the grating lines of the sensor align with an optical axis of a birefringent substrate, so as to improve resonance peak uniformity. Methods of manufacturing biosensors to provide alignment of the grating lines with the optical... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20060291781 - Configurable dispersion compensation trimmer: The invention pertains to optical fiber transmission systems, and is particularly relevant to transmission of large volumes of data over long distances at high rates. An improved apparatus achieving precise dispersion compensation in a fiber span is disclosed. In particular, the invention teaches a configurable dispersion compensation trimmer with automatic... Agent: Woodcock Washburn LLP

20060291780 - Optical element: An optical element includes: a conductive film having a through opening and a periodic uneven structure (grooves) formed in a surface thereof, and a photonic crystal. The grooves are formed around the through opening, the photonic crystal has an optical waveguide and a defect structure (point defect) optically coupled to... Agent: Gallagher & Lathrop, A Professional Corporation

20060291782 - Optical device with cantilevered fiber array and planar lightwave circuit: An optical device comprises a cantilevered fiber array coupled to a planar lightwave circuit. The cantilevered fiber array comprises a base supporting at least a portion of at least one optical fiber in a fiber guiding channel and a cover bonded to the base and/or the at least one optical... Agent: 3m Innovative Properties Company

20060291783 - Member holding optical transmission line and optical module: In an optical module, a member has a hole and a mounting surface in which the hole is open and electric wiring is formed. A recess is formed in the mounting surface. The electric wiring is formed in the recess and is continuously extended to an outside the recess. The... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20060291784 - Electro-optical communication system: Electro-optical communications may be facilitated between electrical devices by providing pluggable electro-optic modules. The pluggable electro-optic modules may be pluggingly received within U-shaped electrical connectors associated with printed circuit boards on both the receive and transmit ends. In some cases, the pluggable modules may be plugged in to establish communications... Agent: Trop Pruner & Hu, PC

20060291786 - Gigabit ethernet longwave optical transceiver module having amplified bias current: An optical transceiver module configured for longwave optical transmission is disclosed. Significantly, the transceiver module utilizes components formerly used only for shortwave optical transmission, thereby reducing new component production and device complexity. In one embodiment, the transceiver module includes a transmitter optical subassembly including a laser capable of producing an... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20060291785 - Optical transponder module with dual board flexible circuit: According to embodiments of the present invention, an XFP optical transponder module includes a dual board flexible circuit. In embodiments, the dual board flexible circuit includes two printed circuit boards coupled together via a connector. In one embodiment, the connector is a flexible printed circuit. In an alternative embodiment, the... Agent: Blakely Sokoloff Taylor & Zafman

20060291787 - Fiber optic cable having strength component: A fiber optic cable including at least one optical transmission component, a strength component axially aligned with the fiber optic cable and having a predetermined elongate shape and a cable sheath surrounding the at least one optical transmission component and the strength component and having a predetermined geometric configuration. A... Agent: Corning Cable Systems LLC

20060291788 - Optical fiber: In one aspect, the invention relates to optical fibers and systems that include such fibers. In another aspect, the invention provides an optical fiber that includes a core, a cladding surrounding the core, a layer surrounding the cladding, and a region between the layer and the cladding. The region can... Agent: Nufern

20060291789 - Photonic crystal fibres comprising stress elements: A photonic crystal fibre includes a core region for propagating light in a longitudinal direction of the fibre, a cladding region surrounding the core region, the cladding region including micro-structural elements extending in the longitudinal direction. The cladding region further includes at least one stress element having a coefficient of... Agent: Buchanan, Ingersoll & Rooney PC

20060291790 - Polymeric optical waveguide film: The present invention provides a polymeric optical waveguide film whose core and clad are constituted from polymer materials and which is characterized in that a protective layer of a polymer material having resistance to solvent attack higher than that observed for the clad is arranged on at least one of... Agent: Griffin & Szipl, PC

20060291791 - Frequency conversion with nonlinear optical polymers and high index contrast waveguides: Systems and methods for manipulating light with high index contrast waveguides clad with substances having that exhibit large nonlinear electro-optic constants χ2 and χ3. Waveguides fabricated on SOI wafers and clad with electro-optic polymers are described. Embodiments of waveguides having slots, electrical contacts, and input waveguide couplers are discussed. Waveguides... Agent: Wall Marjama & Bilinski

20060291792 - Installation closure having fiber management apparatus: An installation closure having fiber management apparatus includes an outer shell and at least one cable centralizer disposed within the outer shell at a factory-assembled access location on a fiber optic distribution cable. The cable centralizer has a central channel for retaining the distribution cable and at least one routing... Agent: Corning Cable Systems LLC

20060291793 - Optical device with cantilevered fiber array and method: A fiber alignment device comprises a base having at least one alignment groove, a stripped portion of an optical fiber positioned in the at least one alignment groove, where a terminal end of the fiber extends beyond at least one of an end face of the base, and an end... Agent: 3m Innovative Properties Company

20060291794 - Waveguide shuttle mems variable optical attenuator: An improved waveguide shuttle optical switch design which provides the function of a variable optical attenuator (VOA). A small degree of intentional misalignment of the waveguide will create different levels of optical attenuation. By finely controlling the misalignment of a selected switched position, a single device may be realized that... Agent: Patent Documentation Center

20060291795 - Intrusion detection system for use on single mode optical fiber using a storage register for data: A telecommunications optical fiber is secured against intrusion by detecting manipulation of the optical fiber prior to an intrusion event. This can be used in a non-locating system where the detection end is opposite the transmit end or in a locating system which uses Fresnel reflections and Rayleigh backscattering to... Agent: Ade & Company Inc.

20060291797 - Multi-imager multi-source multi-use coded data source data input product: Working with an information system operating an application—are an imager, a coded data source, and a computer-readable signal-bearing medium signal connected to the information system where light from the coded data source—which represents data—is detected by the imager which inputs a signal—which represents the light—to the information system; where a... Agent: Hallihan Intellectual Property Law, Ltd

20060291796 - Planar power splitter: The present invention provides a splitter. The splitter includes a substrate and a layer formed on the substrate. The layer is patterned such that a signal applied to at least one input port is provided to a plurality of output ports. The relative power of the signal provided at each... Agent: Williams, Morgan & Amerson

20060285787 - Optical modulator: An optical modulator which magnifies a modulation index and reduces affection of SBS by suppressing a light source carrier component in an equivalent light source spectral width and performs more long-distance transmission by suppressing one of sideband spectrums generated by a modulation signal to reduce affection of fiber dispersion, having... Agent: Chapman And Cutler

20060285788 - Multi wavelength sensor array: The number of sensors that can be used by an SSA system including a single source can be increased by using a multi wavelength source to send different wavelength pulses to each of a plurality of different sensor array ladders, particularly Sagnac sensor array (SSA) ladders. More particularly, each broadband... Agent: Snell & Wilmer LLP

20060285789 - Quatum tunnelling transducer device: A monolithic micro or nano electromechanical transducer device includes a pair of substrates (20, 25) respectively mounting one or more elongate electrical conductors (40) and resilient solid state hinge means (30, 32) integral with and linking the substrates to relatively locate the substrates so that respective elongate electrical conductors (40)... Agent: Jacqueline E. Hartt, Ph.d Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A.

20060285790 - Optical bypass method and architecture: This invention pertains to optical fiber transmission networks, and is particularly relevant to transmission of high volume of data and voice traffic among different locations. In particular, the improvement teaches improvements to an optical transport system to allow for efficient and flexible network evolution.... Agent: Woodcock Washburn LLP

20060285791 - Optical fiber lateral scanner for a miniature optical fiber probe: The present invention relates to an optical fiber magnetic scanning arrangement for a miniature optical fiber probe and can be applied for optical beam delivery in various optical imaging techniques. The arrangement is of the type where an optical fiber is rigidly fixed to a current conductor and serving as... Agent: Tucker, Ellis & West LLP

20060285792 - Integrated circuit device having optically coupled layers: In an integrated circuit device comprising a vertical arrangement of integrated circuit layers, coupling of an optical signal between a first integrated circuit layer thereof and a second integrated circuit layer thereof is described. The optical signal is evanescently coupled between a photonic crystal defect waveguide and a photonic crystal... Agent: Hewlett Packard Company

20060285793 - Side-firing laser: An apparatus for transmitting laser light and redirecting the light laterally relative to an axis of the apparatus includes an optical fiber having both a core and a cladding surrounding the core. The optical fiber terminates at a distal tip having a surface inclined relative to the axis of the... Agent: Merchant & Gould PC

20060285794 - Multi-wavelength optical source: A multi-wavelength optical source includes a broadband optical source providing a broadband optical signal, and a modification module optically coupled to the broadband optical source. The modification module splits the broadband optical signal into a first output signal and a second output signal. The first output signal and second output... Agent: Snell & Wilmer LLP

20060285795 - Phase matched optical grating: The invention relates to phase matched optical gratings for performing signal multiplexing and demultiplexing in optical communications networks. In prior art gratings there is a phase linearity error between the grating line and the outputs on the focal line, comparing the center output to the surrounding outputs. This corresponds to... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20060285796 - Coupling method for coupling high power optical beams into an optical waveguide: A method for determining an improved alignment to couple a beam having a high power level into a waveguide. The power of the beam is reduced to a minimum test power level. The reduced-power beam is aligned in a test alignment such that it forms a beam spot on the... Agent: Ratnerprestia

20060285797 - Integrated optical mode shape transformer and method of fabrication: An integrated optical mode transformer provides a low loss interconnection between an optical fiber and an integrated optic waveguide having a spot size different from that of the fiber. The mode transformer is comprised of two waveguide layers, an upper layer and a lower layer, with the upper layer being... Agent: Dunlap, Codding & Rogers P.C.

20060285798 - Bent side-firing laser: An apparatus for transmitting laser light and redirecting the light laterally relative to an axis of the apparatus includes an optical fiber having a core and a cladding surrounding the core. The core terminates at a core end. The cladding terminates at a cladding end spaced from the core end... Agent: Merchant & Gould PC

20060285799 - Integrated circuit device with optically coupled layers: Optical coupling between a first waveguide in a first layer of an integrated circuit device and a second waveguide in a second layer of the integrated circuit device vertically separated from the first layer is described. An optical signal is propagated through a spheroidal element optically coupled to each of... Agent: Hewlett Packard Company

20060285801 - Alignment tool for optical fibers: An alignment tool includes a holding member designed to hold parallel optical fibers. A first movable member is coupled to the holding member for relative movement. The first movable member is designed to hold one of the optical fibers. A second movable member is located for a movement relative to... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20060285800 - Power and encircled flux alignment: A system and method for aligning optical components based on coupled optical power and encircled flux is described. In one embodiment of the invention, coupled power and encircled flux is measured corresponding to multiple locations of a first optical component relative to a second optical element. The measured coupled power... Agent: North Weber & Baugh LLP

20060285802 - Fiber-optic premises wiring system: A premises wiring system (112) comprising a back-end interface (122) communicating with at least one communications system and a front-end interface (126) communication with disparate communications devices configured for electrical signalling. At least one fiber-optic pair (146) couples the front-end and back-end interfaces. The front-end and back-end interfaces convert electrical... Agent: Harness, Dickey & Pierce, P.L.C

20060285803 - Method, apparatus, and system for using an optical link with electrical link receiver detection: A method, apparatus, and system for implementing optical interconnects between high speed electrical interconnects by determining if an optical link exists between two optical transceivers, and if so, connecting input termination on the transmit input portion of each optical transceiver.... Agent: Blakely Sokoloff Taylor & Zafman

20060285807 - Compact blind mateable optical splitter: A splitter assembly may include an adapter housing configured to support an adapter to receive an optical signal from an incoming optical fiber. The splitter assembly may include a splitter module configured to couple to the adapter via a connector to receive the optical signal associated with the incoming fiber,... Agent: David G. Schmaltz Merchant & Gould P.C.

20060285806 - Optical transponder with passive heat transfer: According to embodiments of the present invention, an optical transponder module generates heat when operating and at least a copper heat wick and/or a copper block are disposed in the module body to perform passive transfer of heat from inside the optical transponder module to outside the optical transponder module.... Agent: Blakely Sokoloff Taylor & Zafman

20060285805 - Optical unit having a transmitter including a semiconductor source and fiber optic element and method of making same: A housing for a device has first and second segments with opposed adjacent surfaces fixedly connected to each other. The first segment fixedly carries a semiconductor optical source for emitting a linearly polarized optical beam in the general direction of the longitudinal axis of the housing. The second segment fixedly... Agent: Lowe Hauptman Berner, LLP

20060285804 - Package for light emitting element and manufacturing method thereof: A package for light emitting element including a package main body 1 having a bottom face 7a on which a light emitting element 2 is arranged, and a concave portion 7 which is formed in an inverted truncated cone shape by an inner wall face 7b intersecting with the bottom... Agent: Banner & Witcoff

20060285808 - Light-guiding system comprising a plate-like triangular guiding member: A light-guiding system comprising a plate-like light-guiding element (20) having a substantially flat lateral surface and means for coupling in light through said lateral surface. Said means comprise a light-guiding member (1,21) substantially having a flat platelike and triangular shape, wherein a shorter side (2) comprises light-coupling means (5) for... Agent: Philips Intellectual Property & Standards

20060285809 - High sbs threshold optical fiber with fluorine dopant: The optical fiber comprises: (a) a core having a refractive index profile and a centerline; and (b) a cladding layer surrounding and directly adjacent the core; wherein core includes updoping material and is doped with F in at least one region of the core, such that either: (a) the average... Agent: Corning Incorporated

20060285812 - 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: Merchant & Gould P.C. Attn: Karen A. Fitzsimmons

20060285811 - Grounding lug for armored cable and method: An external grounding arrangement for a fiber access terminal includes a lug extending through a housing of the terminal. The lug is connected to strength members of a fiber optic cable extending to the terminal by a clamp about the cable within the terminal and a rod extending from the... Agent: Merchant & Gould PC

20060285810 - Protective casing component and an element for forming a protective casing component: A protective casing base component adapted to act as a base part of an optical fibre splice enclosure of the type including a generally tubular housing having an open end and a closed end and including means for sealing the enclosure including means for sealing the open end of the... Agent: Baker & Daniels LLP

20060285813 - Fiber anchoring method for optical sensors: The invention relates generally to optical sensors that impart physical strain to an optical fiber by varying the tension applied axially to the fiber, which causes a change in the optical property of the light transmitted through the fiber. Methods, devices and device components for optical sensors are provided. The... Agent: Greenlee Winner And Sullivan P C

20060285814 - Dust cap for an optical ferrule: A dust cap for an optical ferrule is provided that has a sleeve with a first end and second end, the second end having at least one depression configured to engage a portion of the end face of an optical ferrule. The dust cap prevents dirt and debris from contaminating... Agent: Michael L. Leetzow, Esq. Michael L. Leetzow, P.A.

20060285815 - Hex tube light homogenizer splitter: A right angle light diverter includes a hexagonal tube that is bent at a right angle that is coated with a highly reflective coating on the inside surface. An incoming light beam may be homogenized upon entering an input port of the hexagonal tube and may be evenly diverted at... Agent: Shimokaji & Associates, P.C.

20060285816 - Multifunctional optical assembly: An integrated optical assembly including a light management component with an entry surface and a light delivery component having an exit surface attached to the entry surface of the light management component is disclosed The light management component and the light delivery component are attached together in a manner that... Agent: 3m Innovative Properties Company

20060280395 - Control of te and tm modes in electrooptic waveguide devices: An optical waveguide structure is provided wherein a controller is configured to provide a TE control voltage to a first set of control electrodes in a first electrooptic functional region and a TM control voltage to a second set of control electrodes in a second electrooptic functional region. The TE... Agent: Dinsmore & Shohl LLP

20060280396 - Electronically controlled photonic crystal optical switch: Various embodiments of the present invention are directed to photonic crystal switches. In one embodiment, a photonic crystal switch a photonic crystal switch includes a photonic-crystal-based light transmission layer that outputs an incident light beam in a selected, output direction. The photonic crystal switch may include two or more electrical... Agent: Hewlett Packard Company

20060280397 - Tunable dispersion compensator and method of manufacturing the same: A tunable dispersion compensator in which a heater portion can be easily constructed to reduce cost. A tunable dispersion compensator includes: an optical fiber having a grating portion; a heating unit for heating the grating portion to apply a temperature distribution to the grating portion; and a control unit for... Agent: Leydig Voit & Mayer, Ltd

20060280398 - Optical modulator, optical waveguide device and acousto-optic tunable filter apparatus: The invention provides an optical modulator wherein appearance of radiation mode light can be suppressed to improve performances as a device. The optical modulator includes a multiplexing waveguide which in turn includes two input waveguides to which propagation lights from a linear waveguide are inputted, a waveguide coupling element, and... Agent: Staas & Halsey LLP

20060280399 - Detecting different spectral components of an optical signal by means of an optical shutter: Detecting different spectral components of a response signal received from a device under test -DUT- in response to a stimulus signal, with a first splitter receiving the response signal and wavelength depending splitting from response signal a first partial signal and a second partial signal, a second splitter receiving the... Agent: Paul D. Greeley Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20060280400 - Hitless tunable filter: A method for implementing a truly hitless tunable filter for use in adding and/or dropping channels in a wavelength division multiplexed (WDM) network is disclosed. An exemplary method for filtering an optical signal may include providing a composite optical signal having several wavelengths including a first wavelength, a second wavelength... Agent: Verizon Patent Management Group

20060280402 - Optical filter: A method for implementing a truly hitless tunable filter for use in adding and/or dropping channels in a wavelength division multiplexed (WDM) network is disclosed. An exemplary method for filtering an optical signal may include providing a composite optical signal having several wavelengths including a first wavelength, a second wavelength... Agent: Verizon Patent Management Group

20060280401 - Tunable filter: A method for implementing a truly hitless tunable filter for use in adding and/or dropping channels in a wavelength division multiplexed (WDM) network is disclosed. An exemplary method for filtering an optical signal may include providing a composite optical signal having several wavelengths including a first wavelength, a second wavelength... Agent: Verizon Patent Management Group

20060280403 - Photonic crystal reflectors / filters and displacement sensing applications: We introduce a mechanically tunable photonic crystal structure consisting of coupled photonic crystal slabs. Using both analytic theory, and first-principles finite-difference time-domain simulations, we demonstrate that the transmission and reflection coefficients for light normally incident upon such structures can be highly sensitive to nano-scale variations in the spacing between the... Agent: Parsons Hsue & De Runtz LLP

20060280404 - Optical fiber microscopy launch system and method: A launch system and method for microscopy having an optical fiber positioned proximate a sample slide with an optical fiber mounting element so as to deliver an EMR from a terminal end of the optical fiber across a surface of the sample slide to an opposing side surface at a... Agent: Downs Rachlin Martin PLLC

20060280405 - Polarization splitting grating couplers: A polarization splitting grating coupler (PSGC) connects an optical signal from an optical element, such as a fiber, to an optoelectronic integrated circuit. The PSGC separates a received optical signal into two orthogonal polarizations and directs the two polarizations to separate waveguides on an integrated circuit. Each of the two... Agent: Knobbe Martens Olson & Bear LLP

20060280406 - Spiral waveguide slow wave resonator structure: An optical microresonator includes microcylinder and spiral resonant waveguide formed on the microcylinder that optically couples light from an optical source waveguide to the microcylinder and slows light propagating along the microcylinder. A coupling element, for example, a diffraction grating can be operative with the resonant waveguide structure and configured... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20060280407 - Spiral waveguide slow wave resonator structure: An optical microresonator includes microcylinder and spiral resonant waveguide formed on the microcylinder that optically couples light from an optical source waveguide to the microcylinder and slows light propagating along the microcylinder. A coupling element, for example, a diffraction grating can be operative with the resonant waveguide structure and configured... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20060280408 - Connectorized fiber optic cabling and methods for forming the same: A connectorized fiber optic cabling assembly includes a loose tube fiber optic cable and a connector assembly. The cable has a termination end and includes: an optical fiber bundle including a plurality of optical fibers; at least one strength member; and a jacket surrounding the optical fiber bundle and the... Agent: Myers Bigel Sibley & Sajovec

20060280409 - Optical connector: The head end surface of an optical fiber (2) and the head end surface of an optical fiber (12) are butted to each other in an alignment member (22) of an adapter (21). In the butting, because one of the members clasping the optical fiber (2) is a plate (4a)... Agent: William Collard Collard & Roe, P.C.

20060280410 - Optical connector: An optical connector according to the present invention including a connector body mounted on an optical module mounted on a circuit board, and a connector fixing member for pressing the connector body against the optical module. The connector fixing member can be engaged/disengaged with/from the circuit board, and thus the... Agent: Sughrue Mion, PLLC

20060280411 - Light emitting module and single-fiber two-way optical communication module: A light emitting module according to the present invention is characterized in that a light emitting device and a light-emission-side lens are held close to each other by a holding part extended from part of a stem in parallel with outgoing light of the light emitting device, and light emitted... Agent: Hogan & Hartson L.L.P.

20060280412 - Ruggedized optical fibers for wellbore electrical cables: Disclosed are wellbore electric cable components, methods of manufacturing such components, and cables incorporating the components. Particularly, ruggedized optical fibers useful for forming slickline electric cables are described. The ruggedized optical fiber components contain one or more coated optical fibers, metallic conductors, non-fiber-reinforced resins, and long-fiber-reinforced resins. The optical fiber(s)... Agent: Schlumberger Ipc Attn: Tim Curington

20060280413 - Fiber optic cables and methods for forming the same: A loose tube optical fiber cable includes at least one cable unit. Each cable unit includes a plurality of loose, non-buffered optical fibers, a strength yarn at least partially surrounding the non-buffered optical fibers, and a jacket surrounding the strength yarn and the non-buffered optical fibers.... Agent: Myers Bigel Sibley & Sajovec

20060280414 - Fiber-coupled single photon source: A device comprising a single photon generator and a waveguide, wherein a single photon generated by the single photon generator is coupled to the waveguide... Agent: Hewlett Packard Company

20060280415 - Precision length standard for coherent laser radar: This disclosure presents a version of a coherent laser radar system that is immune to environmental effects on Mach-Zehnder-configured interferometers and reference length standards comprising such systems. The present disclosure also describes methods and materials which alleviate interferometer drift due to vapor absorption using a polyimide coated polarization maintaining fiber... Agent: Burns & Levinson LLP

20060280416 - Optical fiber unit installation apparatus including a unit for preventing backward flowing of fluid: An optical fiber unit installation apparatus having a unit for preventing a fluid from flowing backward toward entrance of the optical unit to prevent fluid leakage while the optical fiber unit is installed using air pressure is disclosed. The apparatus includes an optical fiber unit supplier; a blowing head having... Agent: Jones Day

20060280417 - Splice protection heater, fusion splicer including the splice protection heater, and fusion splicing method: A splice protection heater capable of quickly and efficiently performing a fusion process without an excessive heating time, a fusion splicer including the splice protection heater, and a fusion splicing method are provided. The apparatus has a heating part for heat shrinking a protection sleeve that covers a fusion spliced... Agent: GlobalIPCounselors, LLP

20060280418 - Fiber optic cable enclosure assembly with slide out tray: An enclosure assembly for protecting and housing fiber optic cable within fiber optic equipment. The enclosure assembly includes a housing having an open end for detachably receiving a tray. The tray is configured to retain a portion of the length of the fiber optic cable in a coiled manner.... Agent: Scientific-atlanta, Inc. Intellectual Property Department

20060280420 - Multi-port optical connection terminal: A multi-port optical connection terminal for use as a branch point in a fiber optic communications network at a distance from a mid-span access location provided on a distribution cable having a plurality of optical fibers. The multi-port terminal includes a base and a cover affixed to the base. A... Agent: Corning Cable Systems LLC

20060280419 - Storage trough and fiber management system: A fiber management system for managing fiber optic cables within an enclosure. The fiber management system includes a trough having a plurality of slots for receiving and detachably retaining connectors of the fiber optic cables. A spool is coupled to the trough for coiling the excess length of the fiber... Agent: Scientific-atlanta, Inc. Intellectual Property Department

20060280421 - Variable light attenuator: A lens array (38) is mounted on the front surface of an optical fiber array (32) holding optical fibers (35, 36) for input and emission. The lens array (38) includes: an input lens (40a) for converting a signal light (45) emitted from the optical fiber (35) into parallel light or... Agent: Osha Liang L.L.P.

20060280422 - Dosmetic appliance, in particular a built-in domestic appliance: A domestic appliance includes a cover element, an optical operation indicator that can be covered by the cover element, and a fibre optic coupled to the optical operation indicator for transmitting a emitted light signal. The fibre optic has a light route along which light is guided, the light route... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20060280423 - Method for displaying advertisements: The present invention concerns a method for displaying advertisements including the steps of providing at least one non-transparent cable for transmitting light in which an end of each non-transparent cable is received by a receiving structure and transmitting light selected from a plurality of colors along the non-transparent cables such... Agent: Akerman Senterfitt

20060280424 - Optical element and optical apparatus having the optical element: Provided is an optical element with a configuration in which distortion due to fixing thereof on an effective optical portion can be reduced, preferably be eliminated and an apparatus including an optical element. The optical element comprising an effective optical portion on which a light beam is incident, a connecting... Agent: Morgan & Finnegan, L.L.P.

20060274987 - High speed reprogrammable electro-optical switching device: An electro-optic switching device, namely an optical phased array (OPA) or a reprogrammable optical phased array (ROPA), that can accommodate high switching speeds, reduced losses and increased efficiency while being adapted to operate at various wavelengths using suitably low activation voltages is presented. The ROPA designs presented herein are generally... Agent: Goudreau Gage Dubuc

20060274988 - Optical modulator, optical waveguide device and acousto-optic tunable filter apparatus: The invention provides an optical modulator wherein appearance of radiation mode light can be suppressed to improve performances as a device. The optical modulator includes a multiplexing waveguide which in turn includes two input waveguides to which propagation lights from a linear waveguide are inputted, a waveguide coupling element, and... Agent: Staas & Halsey LLP

20060274989 - Glass microspheres having enhanced resonant light scattering properties: Glass microspheres were subjected to a multistep spheroidization process resulting in enhanced resonant light scattering properties, characterized by having at least three sharp, well-defined resonance peaks in their resonant light scattering spectra. The microspheres have utility in bioanalytical systems which rely on detection of changes in resonant light scattering for... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20060274990 - Glass microspheres having optimized resonant light scattering properties: Glass microspheres were subjected to a multistep spheroidization process resulting in optimized resonant light scattering properties, characterized by a reduction in the particle to particle variation in the intensity contrast of the resonant light scattering spectra. The microspheres have utility in bioanalytical systems which rely on detection of changes in... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20060274992 - Waveguide substrate and high-frequency circuit module: A waveguide substrate has improved signal conversion characteristic to a cavity waveguide at a post wall waveguide less suffering a manufacturing error occurring at a portion leading the signal to the cavity waveguide. The waveguide substrate has a converting part provided at a position shutting off an end of the... Agent: Katten Muchin Rosenman LLP

20060274991 - Waveguide type optical device: A waveguide type optical device has an optical waveguide formed on a substrate, functional optical waveguides provided to the optical waveguide, at least one of an optical input end face and an optical output end face for the optical waveguide which are provided to substrate end faces which are ends... Agent: Frishauf, Holtz, Goodman & Chick, PC

20060274993 - Flat dispersion frequency discriminator (fdfd): This invention provides a flat dispersion frequency discriminator (FDFD) capable of having a substantially flat dispersion with either a positive or negative dispersion along the spectrum region of the discriminator. This way, a FDFD may not cause substantial distortion of the intensity patter of its output to minimize the occurrence... Agent: Mark J. Pandiscio Pandiscio & Pandiscio, P.C.

20060274994 - Optical device: An optical device enabling reducing device scale is constituted by M circulators (11a, 11b), (M being a natural number), a waveguide-type diffraction grating (12) including M first input/output waveguides (121a, 121b) formed at its one end and M×N second input/output waveguides (125a-1 to 125a-N and 125b-1 to 125b-N) formed at... Agent: Katten Muchin Rosenman LLP

20060274995 - Temperature-insensitive polymeric optical awg device and manufacturing method therefor: Provided are a temperature-insensitive polymeric optical AWG device and a method of manufacturing the same. The temperature-insensitive polymeric optical AWG device includes: a substrate; an input waveguide formed on the substrate; an output waveguide formed on the substrate so as to correspond to the input waveguide; polymeric grating channel waveguides... Agent: Blakely Sokoloff Taylor & Zafman

20060274996 - Optical connector: The object of the present invention is to suppress a decrease in the optical function of a sleeve by ensuring that a liquid chemical substance is not apt to remain on a peripheral surface of the sleeve even when the liquid chemical substance enters a connector. The present invention relates... Agent: Gallagher & Lathrop, A Professional Corporation

20060274997 - Connector: A connector is disclosed that includes a housing and a module assembly disposed inside the housing. The module assembly includes a semiconductor element, a light receiving element, a light emitting element, a positioning plate in which a positioning hole is formed, a three-dimensional optical path component mounted on the positioning... Agent: Staas & Halsey LLP

20060274998 - Optical receptacle: An optical receptacle includes: a fiber stub having a ferrule and an optical fiber in a through-hole of the ferrule; a holder to which an rear end of the fiber stub is fixed; and a sleeve for holding a plug ferrule in front of the fiber stub; wherein a grip... Agent: Hogan & Hartson L.L.P.

20060275000 - Optical subassembly: An optical sub-assembly module includes a receptacle combined with a light emitting device. The receptacle includes an optical axis, a coupling structure is aligned with the optical axis. The light emitting device includes a outer seal and a light emitting chip disposed in the outer seal. An open aperture is... Agent: Charles E. Baxley, Esq.

20060274999 - Optical subassembly of optical transceiver: A transceiver module comprised of a multiplexing/demultiplexing optical subassembly is provided. The optical subassembly includes either a transmitter module or a receiver module or both. The transmitter module has laser diodes emitting optical signals, which are reflected by reflectors, and coupled together by thin film filter. The receiver module includes... Agent: Lin & Associates Intellectual Property

20060275001 - Optical subassembly enhancing wiggle tolerance and a method for manufacturing the same: The present invention provides an optical subassembly that reduces the fluctuation of the optical power due to an external force applied via the optical connector mated with the subassembly. The subassembly provides an optical device, a stub and a joint sleeve. The optical device includes a laser diode (LD), a... Agent: Smith, Gambrell & Russell

20060275002 - Modular unit for the distribution of the light flow of a cold light source: The present invention is directed to a modular unit for the distribution of the light flow of a cold light source which makes it possible to combine different illumination methods in mixed-light operation with only one individual high-power cold light source and to switch between illumination methods. In the modular... Agent: Reed Smith, LLP Attn: Patent Records Department

20060275003 - Light-guiding module: A light-guiding module, which, with a diffusion sheet and a prism sheet (or a diffusion sheet and a brightness enhancement film), forms a backlighting module that includes a reflection cover, a light-guiding plate and at least one lighting mechanism. The reflection cover has a receiving part and reflects light. The... Agent: Rosenberg, Klein & Lee

20060275004 - Optical waveguide and process for manufacturing the same: The present invention provides an optical waveguide, which at least includes: a waveguide core having a cavity therein; and a clad which encloses the periphery of the waveguide core and has a smaller refractive index than the waveguide core, wherein the optical waveguide changes a direction of a part or... Agent: Oliff & Berridge, PLC

20060275005 - Resonator and light emitting device using the same: Provided is a resonator using a three-dimensional photonic crystal. In the resonator, a range of choice of a resonance wavelength is wide and a desirable electric field distribution is obtained. The resonator according to the present invention includes a plurality of point defects provided in the three-dimensional photonic crystal. At... Agent: Morgan & Finnegan, L.L.P.

20060275006 - Fiber breakout system: A breakout kit is adapted to hold a cable by engaging three different layers of the cable, including an interior layer of the cable, an exterior of the cable, and an intermediate layer of the cable which is between the interior layer and the exterior layer.... Agent: Lee & Hayes, PLLC

20060275007 - Optical fiber array connectivity system with indicia to facilitate connectivity in four orientations for dual functionality: A fan-out unit for a data communication system includes: a plurality of optical fibers; and a faceplate with a plurality of ports arranged in at least one row, each of the ports being optically interconnected with a respective one of the optical fibers and configured to received a mating optical... Agent: Myers Bigel Sibley & Sajovec

20060275008 - Fiber management system: A fiber management apparatus includes a module for managing fibers. In one implementation, the module includes at least two trays. An upper one of the trays is slidable and pivotable relative to a base tray to allow access to fibers managed by the base tray. In another implementation, the module... Agent: Lee & Hayes, PLLC

20060275009 - Hybrid wire-fiber management: Hybrid systems for managing wires and optical fibers include a first rack having trays for managing optical fibers, and a second rack proximate to the first rack. Modules are mounted to the second rack for managing wires. At least one of the racks is movable at least partially away from... Agent: Lee & Hayes, PLLC

20060275011 - Bending an optical fiber into a backplane: A method of connecting an optical fiber to a backplane with a right angle bend mount. The bend mount includes a base and a cover that is pivotably connected to the base by a hinge. A clamp is formed by a first pair of opposed surfaces of the base and... Agent: Dunlap, Codding & Rogers P.C.

20060275010 - Support fixture and method for supporting subscriber specific fiber optic drop wire: Fiber optic drop wires extending from a cable closure supported along a fiber optic cable are supported by small horseshoe-shaped bend radius protectors which not only prevent overbending of the drop wires, but also enable one to store excess drop wire length on the bend radius protectors. The drop wire... Agent: Shoemaker And Mattare, Ltd

20060275013 - Optical fiber sensor, manufacturing method thereof, and collision detection device: An optical fiber sensor in which the insertion efficiency of a plastic fiber is improved, the potential danger of rupture of a mold member is decreased, the operation of the sensor in a low load area and the linearity of output of the sensor are improved. Plastic fiber for detection... Agent: Antonelli, Terry, Stout & Kraus, LLP

20060275012 - Optical waveguide devices and methods of fabricating the same: A first waveguide holding member has a first transverse surface region and a first optical waveguide having an end terminating at the first transverse surface region. A second waveguide holding member has a second transverse surface region which confronts the first transverse surface region of the first waveguide holding member... Agent: Rohm And Haas Electronic Materials LLC

20060275014 - Image input scanner having a waveguide platen: In an apparatus for recording an image, a light transmissive waveguide defines a thick end, a thin end, and a main plane disposed between the thick end and the thin end. An image-recording device is disposed adjacent the thick end of the waveguide, the image-recording device being capable of recording... Agent: Patent Documentation Center

20060275017 - Apparatus and method for optically detecting an object: Apparatus and method for optically detecting an object. The apparatus includes a light source to illuminate an object, an illumination optical path, a detection optical path, imaging optics, a detection means, wherein the imaging optics are arranged in the detection optical path and wherein light from the object can be... Agent: Simpson & Simpson, PLLC

20060275016 - Contra-angle rotating handpiece having tactile-feedback tip ferrule: An illumination device is described containing optical fibers that transmit electromagnetic energy from a source to a target. Additional optical fibers return reflected electromagnetic energy from the target. High-level electromagnetic energy can be used for cutting, reforming, or treating a surface. Low-level electromagnetic energy illuminates the surface.... Agent: Stout, Uxa, Buyan & Mullins LLP

20060275019 - Micro sensor arrays for in situ measurements: A method is provided for fabricating microelectrodes and microelectrode arrays by etching in an acid solution. Glass wafers are diced into a desired shape to form narrow probes, which are immersed in the acid solution. An organic layer on top of the acid solution forms a meniscus at the point... Agent: Taft, Stettinius & Hollister LLP

20060275015 - Ray tracing in discontinuous multimode channel waveguides: The invention relates to a method for determining the transmission behaviour of an optical waveguide with a step index profile, wherein the optical waveguide is composed of guide pieces, protruding into each other, so that the surfaces of said guide pieces comprise real and virtual surfaces, lying respectively outside and... Agent: Morrison & Foerster LLP

20060275018 - Soft mold, method of manufacturing the same, and patterning method using the same: The patterning method includes forming a synthetic resin layer on a substrate, providing a mold in which a predetermined pattern is formed and metal particles are distributed on the surface of the mold, contacting the mold having the predetermined pattern with the synthetic resin layer, transferring the pattern of the... Agent: Morgan Lewis & Bockius LLP