Optical waveguides inventions 05/08

20080124019 - Mold structure with fiber-optic sensor: A mold structure (100) includes a mold plate (402) and a fiber-optic sensor (30) mounted therein. The fiber-optic sensor may detect whether a metal insert has been put into the mold plate before the mold structure is closed. If the metal insert is already put in a desired position, the... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080124020 - System for remote measurements: A system for measuring simultaneously both temperature and ac voltage and/or ac current, the system comprising: a piezo-electric sensor; and optical fiber that includes an optical strain sensor being in contact with the piezo-electric sensor and able to expand or contract therewith and an analyzer for analyzing an optical output... Agent: Alston & Bird LLP

20080124021 - Photoelectronic hybrid board and connector using the same: A photoelectronic hybrid board includes a circuit board having a circuit pattern layer and at least partially transparent to light, and a core laminated on a transparent portion of the circuit board and guiding light, which is coupled from outside, through an inside thereof. A connector includes a circuit board... Agent: Cha & Reiter, LLC

20080124022 - Simplified fiber-optic switch for all-optical fiber-optic lines: Simplified and insensitive to ambient condition mechanical bi-directional fiber-optic switch that can work in fire and explosion hazardous environment. The switch houses a sensitive element—a length of single-mode optic fiber and a bending device, which being activated provides specific bending of the optic fiber that introduces high attenuation of an... Agent: Gennadii Ivtsendov

20080124023 - Power stabilization of semiconductor laser harmonic frequency conversion modules: The invention relates to a fiber laser and harmonic frequency conversion module incorporating a 90 degree Polarization Maintaining (PM) fiber fusion splice therebetween for providing temperature insensitive power stabilization. The present invention has found that incorporating at least one 90 degree splice of the transmission axes of the PM fiber,... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080124024 - Optical circuit board and optical and electric combined board: The present invention is to provide an optical circuit board enabling the easy alignment of the positions of a core of an optical pin with the positions of a core of an optical waveguide layer with a simple structure. The optical circuit board comprises an optical wiring layer (31) having... Agent: Buchanan, Ingersoll & Rooney PC

20080124025 - Optically connectable circuit board with optical component(s) mounted thereon: An optically connectable circuit board and optical components mounted thereon. At least one component includes optical transceivers and provides an optical connection to the board. Electronic components may be directly connected to the board electrically or optically. Also, some electronic components may be indirectly connected optically to the board through... Agent: Law Office Of Charles W. Peterson, Jr. Yorktown

20080124026 - Fabrication method of optical module, optical module, and platform for optical module: In assembly of a number of optical devices (optical waveguide devices) to fabricate an optical module, the fabrication method of the optical module comprising: filling a plurality of openings for device mounting, the openings being formed on a platform, with a transparent liquid material; putting an optical waveguide device into... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080124027 - Optical connections and methods of forming optical connections: In one embodiment, a fiber assembly is provided. The fiber assembly has a first fiber having at least one core. The core has a length, a first end, and a second end, and light may be transmitted along the core. The second end has an obtusely angled end surface. The... Agent: Hewlett Packard Company

20080124028 - Low bend loss quasi-single-mode optical fiber and optical fiber line: Quasi-single mode optical waveguide fibers are disclosed that are bend resistant and capable of providing single mode transmission, for example at wavelengths greater than 1260 nm when the fundamental mode of optical energy is launched into the core of the fiber. Optical fiber line incorporating quasi-single mode optical waveguide fiber... Agent: Corning Incorporated

20080124029 - Optical receptacle: The present invention relates to an optical receptacle which prevents the occurrence of a large impact by collision of a plug body with an optical propagation member. The optical receptacle includes a solid sleeve having a cavity hole into which the plug body is inserted from its one end side... Agent: Staas & Halsey LLP

20080124030 - Hybrid fiber/copper connector system and method: A hybrid fiber/copper connector assembly which permits repair of damaged fibers or copper conductors carried by a hybrid fiber/copper cable without requiring replacement of the entire connector assembly or the cable is disclosed. The hybrid fiber/copper connector assembly disclosed also allows individual hybrid fiber/copper connectors of the assembly to be... Agent: Merchant & Gould PC

20080124031 - Hybrid fiber/copper connector system and method: A hybrid fiber/copper connector assembly which permits repair of damaged fibers or copper conductors carried by a hybrid fiber/copper cable without requiring replacement of the entire connector assembly or the cable is disclosed. The hybrid fiber/copper connector assembly disclosed also allows individual hybrid fiber/copper connectors of the assembly to be... Agent: Merchant & Gould PC

20080124032 - System and method of protecting optical cables: Embodiments of the present invention provide an optical connection that protects the optical fiber or cable. This optical connection includes an optical coupling to communicatively couple an optical fiber to an optical device. A mechanical guide receives the optical fiber proximate to the optical device. This mechanical guide prevents excessive... Agent: Alcon

20080124033 - Connector and receptacle containing a physical security feature: A network comprising: (a) a plurality of different receptacles for facilitating an optical connection to different information networks requiring different access authorization, each different receptacle coupled to one and only one different information network, each receptacle having an inner surface with a first geometry, the first geometry comprising at least... Agent: Tyco Technology Resources

20080124034 - Coaxial cable having wide continuous usable bandwidth: A coaxial cable includes: a metallic inner conductor formed of a first material and having a first thickness; a dielectric layer circumferentially surrounding the inner conductor formed of a second material and having a second thickness; a metallic outer conductor circumferentially surrounding the dielectric layer formed of a third material... Agent: Myers Bigel Sibley & Sajovec

20080124035 - Cables: A cable for use in a borehole or the like, comprises a fibre-optic line, concentrically surrounded by at least two metal layers capable of bearing a tensile load. Ideally, there are included three or four metal layers. The metal layer may be a steel layer or a copper beryllium layer.... Agent: K.f. Ross P.C.

20080124036 - 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 against a small-diameter bending. An optical fiber 1 according to the present invention includes a first cladding region 3 having a refractive... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080124037 - Two-dimensional photonic crystal and optical device using the same: An object of the present invention is to provide a two-dimensional photonic crystal in which conditions for both the TE-polarized light and the TM-polarized light can be easily satisfied. A body includes a first area having a triangular lattice pattern arrangement of a circular hole and a second area having... Agent: Oliff & Berridge, PLC

20080124038 - Fiber distribution enclosure: An optical fiber distribution assembly is disclosed. The assembly includes an enclosure formed by a base and a cover joined at a waterproof seal. The base includes openings configured to accept an input cable and an output cable. The assembly also includes a mounting structure having front and rear sides... Agent: Merchant & Gould PC

20080124039 - Splitter modules for fiber distribution hubs: A splitter module for a fiber distribution hub includes a main body with a first aperture configured to receive an input fiber entering the splitter module, and a second aperture configured for a plurality of distribution fibers exiting the splitter module. The splitter module also includes a fin configured to... Agent: Merchant & Gould PC

20080118200 - Printed circuit board and manufacturing method thereof: A printed circuit board is disclosed. A printed circuit board, which includes a first board part, a flexible board part which has one side coupled with the first board part and which includes an electrical wiring layer and an optical waveguide to transmit both electrical signals and optical signals, and... Agent: Staas & Halsey LLP

20080118199 - Substrate for mounting ic chip, substrate for motherboard, device for optical communication , manufacturing method of substrate for mounting ic chip, and manufacturing method of substrate for motherboard: The present invention aims to provide a substrate for mounting an IC chip, on which an optical signal passing region is formed and which can suppress a transmission loss in an optical signal and transmit an optical signal more positively with high reliability. The substrate for mounting an IC chip... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080118203 - Beam homogenizer, laser irradiation apparatus, and laser irradiation method: An effect of interference is eliminated and intensity of a laser beam is homogenized. The beam homogenizer 100 includes reflecting mirrors 103 and 104 which are provided so that reflecting surfaces thereof face each other. The laser beam LB propagates through a space between the reflecting mirrors 103 and 104... Agent: Nixon Peabody, LLP

20080118204 - Coupling optical fibers: A device and a method for the rotary coupling of optical fibers is disclosed. The coupling device includes a first housing element and a second housing element. The coupling device has a rotation axis around which the first and second housing element can rotate relative to each other. The device... Agent: Fish & Richardson P.c.

20080118205 - Optical connector and process for connecting optical fibers: An optical connector for connecting a pair of coated optical fibers, each of which comprises an exposed leading end of optical fiber, including: a connector body having a fine hole portion for housing and mutually butting the exposed leading ends of the pair of coated optical fibers, a first receiving... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080118206 - Activation tool for a fiber optic connector: An activation tool used to terminate a pre-polished, no-crimp fiber optic connector. The tool holds and positions a suitable fiber optic connector, such as an ST-type Opti-Cam connector. A lever on the tool activates a connector cam mechanism to effectuate termination of the fiber. The tool includes a base that... Agent: Panduit Corp.

20080118207 - Optical fiber module: An optical module is connected to external optical equipment with low loss, and excess length portion of a pigtail fiber does not cause an obstruction. The optical fiber module includes (1) a functional optical fiber; (2) a receptacle configured and arranged to accommodate the functional optical fiber; (3) a pigtail... Agent: Global Ip Counselors, LLP

20080118208 - Optical fiber composite, devices, and methods of making same: This invention relates to an optical fiber composite comprising an asymmetric optical fiber comprising a first end with a substantially non-circular cross-section, and a substantially circular clad optical fiber comprising a tapered end section which has a substantially non-circular cross section and where the asymmetric optical fiber and the substantially... Agent: Goodwin Procter LLP Patent Administrator

20080118201 - Photonic interconnect method: A photonic interconnect method avoids high capacitance electric interconnects by using optical signals to communicate data between devices. The method can provide massively parallel information output by mapping logical addresses to frequency bands, so that modulation of a selected frequency band can encode information for a specific location corresponding to... Agent: Hewlett Packard Company

20080118202 - Semiconductor chip module: In a semiconductor chip module, a transmission optical waveguide device to be mounted in the proximity of the side face of a semiconductor chip on a circuit board includes an input optical waveguide to which light from an external light source is inputted, an output optical waveguide provided at a... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080118209 - High strength-to-weight-ratio slickline and multiline cables: Slickline cables and methods for preparing such cables are disclosed. A slickline cable includes a pre-manufactured polymer composite rod having a channel therein; an optical fiber disposed in the channel; a fastener securing the optical fiber in the channel, wherein the fastener is selected from the group comprising a polymer... Agent: Schlumberger Ipc Attn: David Cate

20080118210 - Fiber optic cable having a dry insert and offset cavity: A fiber optic cable includes at least one optical waveguide, at least one dry insert and a cable jacket. The at least one optical waveguide and at least one dry insert are at least partially disposed within an offset cavity of the cable jacket. The at least one dry insert... Agent: Corning Cable Systems Llc

20080118211 - Fiber optic cable having a dry insert with a fold: A fiber optic cable includes at least one optical waveguide, at least one dry insert and a cable jacket. The at least one optical waveguide and at least one dry insert are at least partially disposed within a cavity of the cable jacket. The at least one dry insert has... Agent: Corning Cable Systems Llc

20080118212 - Optical fiber bundle and method of manufacturing the same: A plurality of optical fibers are bundled, and the fiber bundle is cut at a part of a mouthpiece which is fixed on an intermediate part of the fiber bundle. Thus, the fiber bundle is divided into a first optical fiber bundle and a second optical fiber bundle. Division surfaces... Agent: Scully Scott Murphy & Presser, Pc

20080118213 - Multimode optical fibre: Optical fiber having a multimode core (10) comprising:—a first zone (11), which is homogeneous, made of a first material, which has a first refractive index;—a second zone (12) made of at least one second material, which has a second refractive index, which is less than the first index, that second... Agent: Sughrue Mion, Pllc

20080118214 - Optical fiber for detecting stress and associated method: This invention discloses an optical fiber structured to measure stress. The optical fiber includes a core, substantially surrounding the core is a cladding having a plurality of air holes, substantially surrounding the cladding is a buffer, and substantially surrounding the buffer is a jacket.... Agent: Eckert Seamans Cherin & Mellott

20080118215 - Light tunnel structure and manufacturing method thereof: A light tunnel structure includes a plurality of plates and an adhesive (a bonding glue). The plates are connected to each other to form a light tunnel with at least one gap formed at each of the junctions. The adhesive (bonding glue) is filled within the gaps at the junctions.... Agent: Birch Stewart Kolasch & Birch

20080118216 - Cable entry seal: A seal assembly is provided to seal the area between a cable, containing optic fibers for example, and the terminal end of a conduit through which the cable runs. The seal assembly comprises an area of a resilient material and a supporting structure. The seal assembly, encompassing a cable, fits... Agent: Alcatel Lucent Intellectual Property & Standards

20080118217 - Electro-optic polymer waveguide devices incorporating organically modified sol-gel clads: A method for making an optical device including establishing a temperature in a composition and applying an electric field to pole the core layer of the composition.... Agent: Fish & Richardson P.c.

20080112664 - In-line polarization-state converter: The invention discloses an in-line polarization-state converter. In the polarization converter, a laser beam is radiated onto the side of a photosensitive optical fiber. The laser beam causes the refractive index of an optical fiber core to asymmetrically vary. Birefringence is induced in a core mode of the optical fiber... Agent: Townsend And Townsend And Crew, LLP

20080112663 - Layered electromagnetically responsive assembly: An electromagnetically responsive element includes sets of arrangements of self-resonant bodies, such as atoms or quantum dots that form an effective dielectric constant, typically at or near a resonance.... Agent: Searete Llc Clarence T. Tegreene

20080112667 - Method and apparatus for tuning an optical delay line: The present invention is a method and an apparatus for tuning an optical delay line. In one embodiment, an optical delay line includes at least one ring resonator in which light is guided or is confined and at least one heater positioned laterally from the ring resonator. The heater produces... Agent: Patterson & Sheridan, LLP

20080112668 - Multiplexer-demultiplexer, receiver, transmitter, and manufacturing method: A multiplexer-demultiplexer includes a first lens, a multilayer filter, and a second lens. The first lens is positioned to collimate a multi-wavelength light having various wavelengths. The multilayer filter includes multiple filter films each arranged at a different angle, is positioned such that collimated multi-wavelength light enters and/or exits at... Agent: Staas & Halsey LLP

20080112669 - Two-dimensional planar photonic crystal superprism device and method of manufacturing the same: Provided are a two-dimensional planar photonic crystal superprism device and a method of manufacturing the same, in which a manufacturing process is simplified using a nanoimprint lithography technique, and thus price-reduction and mass production are facilitated. The two-dimensional planar photonic crystal superprism device includes: a single-mode input waveguide comprising a... Agent: Blakely Sokoloff Taylor & Zafman

20080112670 - Wavelength filter: The present invention provides a method and apparatus for improved wavelength filtering and for producing a wavelength filter with improved wavelength filtering. The wavelength filter may include a waveguide to transmit an optical signal through a substrate, and a periodic series of grooves across a portion of the waveguide to... Agent: Empk & Shiloh, LLP

20080112671 - Retention release auxiliary device for optical connector and printed circuit board device: A release auxiliary device (6) includes a cover part (51) that is provided movably with respect to a receptacle (11) along the insertion/removal direction of a plug (12), and an inclined pressing part (52) that is provided in the cover part (51) and is touchable, from a lower side, to... Agent: Staas & Halsey LLP

20080112672 - Adapter assembly for coupling dissimilar fiber optic connectors: An adapter assembly for receiving and maintaining mating fiber optic connectors, comprising an adapter housing defining at least one feature for engaging with at least one plug housing engaged with at least one of the first and second fiber optic connectors, and at least one alignment member maintained within the... Agent: Corning Cable Systems Llc

20080112673 - Retention release auxiliary device for optical connector and printed circuit board device: A release auxiliary device (6) includes a base part (51) that is provided fixedly with respect to a receptacle (11), and an auxiliary lever (52) that is provided elastically deformable with respect to the base part (51) and elastically deformable in an orthogonal direction with respect to a direction in... Agent: Staas & Halsey LLP

20080112674 - Releasable optical connector: An optic fiber connection arrangement has a module mountable on a printed circuit board, and an optic fiber coupler including mating components One of the mating components is adapted for coupling into the module. A frame supports one of the components. The frame is releasably latchable to the module so... Agent: Laubscher & Laubscher, P.c.

20080112675 - Cable assembly having bend performance optical fiber slack coil: A fiber optic cable assembly including a mid-span access location, a cable having at least fiber therein, and a tether attached and spliced to at least one fiber of the cable. The access location and portions of the cables are substantially encapsulated within a flexible body having dimensions sufficient to... Agent: Corning Cable Systems Llc

20080112665 - Photonic interconnect system: A photonic interconnect system avoids high capacitance electric interconnects by using optical signals to communicate data between devices. The system can provide massively parallel information output by mapping logical addresses to frequency bands, so that modulation of a selected frequency band can encode information for a specific location corresponding to... Agent: Hewlett Packard Company

20080112666 - Apparatus for providing optical radiation: Apparatus for providing optical radiation (10) comprising a pump array (8) for providing pump radiation (7), a first pump combiner (1), and a waveguide (3), wherein the pump radiation (7) from the pump array (8) is coupled into the waveguide (3) via the first pump combiner (1), and wherein the... Agent: John S. Reid

20080112676 - Colored optical fiber and evaluation method thereof: A colored optical fiber whose transmission loss hardly increases even in a high humidity condition or water-immersed condition is provided. The colored optical fiber according to the present invention is a colored optical fiber having a colored coating layer on a circumference of an optical fiber having at least two... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080112677 - Optical display system and method: An optical display system includes an image generator providing discrete anamorphic picture elements to form an image, with each picture element spatially compressed along only a short dimension. A fiber optic array magnifier extends from the image generator and includes optical fibers dimensioned for optically coupling to each discrete anamorphic... Agent: Carl M. Napolitano, Ph.d. Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.a.

20080112678 - Optical fiber with a core ring: An optical fiber includes a cladding with a material having a first refractive index and a pattern of regions formed therein. Each of the regions has a second refractive index lower than the first refractive index. The optical fiber further includes a core region and a core ring surrounding the... Agent: Knobbe Martens Olson & Bear LLP

20080112679 - Two-dimensional photonic crystal: An objective of the present invention is to provide a two-dimensional photonic crystal in which a complete photonic band gap (PBG), i.e. a photonic band gap that is effective for both a TE-polarized light and a TM-polarized light within a predetermined wavelength range, is created and an adequate width of... Agent: Oliff & Berridge, Plc

20080112680 - Optical fiber slack storage for splice trays and splice assemblies: There is provided splice trays and splice assemblies that include one or more optical fiber routing guides for optical fiber slack storage. The optical fiber routing guides are associated with individual or select groupings of splice holders in order to eliminate slack storage generally around the perimeter of the splice... Agent: Corning Cable Systems Llc

20080112681 - Optical connection closure having at least one connector port: An optical connection closure has at least one connector port located within an external wall of the closure for receiving a connectorized optical fiber of a distribution cable on the inside of the closure and a pre-connectorized fiber optic drop cable on the outside of the closure. The closure includes... Agent: Corning Cable Systems Llc

20080112682 - Connecting structure of optical connectors: To make a connecting structure of optical connectors capable of constantly and stably keeping optical connector plugs connected in a laterally aligned state through an optical connector clip, the structure includes boots formed to have fitted parts in an annular groove shape or a ringlike projection shape on an outer... Agent: Bacon & Thomas, Pllc

20080107371 - Near-field interaction control element: A near-field interaction control element includes a near-field optical waveguide containing particles formed of a metal, a metal anion or a metal cation with a diameter of 0.5 nm or more and 3 nm or less and a dielectric constant of −2.5 or more and −1.5 or less, an electron... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080107372 - Optical control device having light modulation film: A light control apparatus is provided with a plurality of pixels arranged two-dimensionally on a substrate. A first reflection layer is formed on the substrate. A light modulating film is provided on the top surface of the first reflection layer. As material for this light modulating film, electro-optical material, such... Agent: Cantor Colburn, LLP

20080107373 - Diffusion and laser photoelectrically coupled integrated circuit signal line: A diffusion and laser photoelectrically coupled integrated circuit signal line, wherein photoelectrically coupled pairs are formed on integrated circuit chips utilizing a diffusion light or a laser light emitted by LED or the photoelectrically coupled pairs are arranged in an array to form photoelectrically coupled matrixes on the chips are... Agent: Rabin & Berdo, Pc

20080107377 - Bending waveguide, method of fabricating the bending waveguide, light delivery module employing the bending waveguide, and heat assisted magnetic recording head employing the bending waveguide: A bending waveguide is provided including a core having an input end and an output end, wherein the output end has a near field enhanced aperture structure, and a metal cladding enclosing the core. The core is bent in a curve and a radius of curvature of the curve is... Agent: Sughrue Mion, Pllc

20080107379 - Fiber bragg grating system having a thermo module for supplying or absorbing heat to or from an fbg module: An FBG system with lower power supplied to a temperature controller, while allowing for precise temperature control of an FBG grating. The FBG system includes a high temperature FBG-mounting structure and a low temperature FBG-mounting structure, and a housing containing them. The high temperature FBG-mounting structure includes an FBG module... Agent: Rabin & Berdo, Pc

20080107381 - Optical connector, and method of assembling optical connector: An optical connector according to an embodiment of the present invention comprises (a) a ferrule incorporating a short fiber; (b) a mechanical splice having a holding part and a fixing part, and adapted so that the fixing part mechanically fixes the short fiber extending from the ferrule held by the... Agent: Mcdermott Will & Emery LLP

20080107370 - Resistive heater including wire resistor: A resistor heater includes an anode (10) arranged along one side and a cathode (20) arranged along the other side of a thin-line-shaped resistor (30). The anode (10) is connected to the resistor (30) at connections points (P2, P3) by a plurality of branches (13, 14) arranged at a certain... Agent: Sughrue Mion, Pllc

20080107374 - Optically connectable circuit board with optical component(s) mounted thereon: An optically connectable circuit board and optical components mounted thereon. At least one component includes optical transceivers and provides an optical connection to the board. Electronic components may be directly connected to the board electrically or optically. Also, some electronic components may be indirectly connected optically to the board through... Agent: Law Office Of Charles W. Peterson, Jr. Yorktown

20080107375 - Optoelectric composite substrate and method of manufacturing the same: An optoelectric composite substrate of the present invention includes an insulating film, an optical waveguide embedded in the insulating film in a state that an upper surface is exposed from the insulating film, a via hole formed to pass through the insulating film, a conductor formed in the via hole,... Agent: Kratz, Quintos & Hanson, LLP

20080107376 - Optical switch using rare earth doped glass: The present invention provides an optical switch including a loss element having a signal loss, and a rare earth doped gain element optically connected in series with the loss element. The rare earth doped gain element is operable to produce a signal gain. The signal gain and the signal loss... Agent: Kathy Manke Avago Technologies Limited

20080107378 - Device for transferring optical signals by means of planar optical conductors: What is described here is a method of or a device for transferring optical signals. An optical conductor including a light-conducting core, which has at lest two parallel interfaces provided with coatings that result in a reflection of the light guided in the light-conducting core, comprises at least one means... Agent: Daffer Mcdaniel LLP

20080107380 - Method and apparatus for processing optical signals with supergratings: An optical component including at least one optical supergrating is provided. The optical supergrating includes a quantized refractive index profile adapted to exhibit a finite plurality of refractive indexes; which in turn are adapted to generate a reflectance spectrum in at least one spectral band corresponding to a Fourier transformed... Agent: Dorsey & Whitney LLP Intellectual Property Department

20080107382 - High energy fiber terminations and methods: A ferrule and method are presented that fuses optical fibers, capillaries and the like to ferrules while reducing deformation of the fused component and the ferrule and minimizing stresses within the assembly. Reduced deformation and stress is accomplished by providing high contact angles in a symmetrical, short section of fusion... Agent: The Halvorson Law Firm

20080107383 - Dual inner diameter ferrule device and method: A fiber optic ferrule includes a body extending from a first end to a second opposite end, with the body including an axial passage extending between the first and second ends. The axial passage includes a first diameter portion having a diameter of at least 125 microns, and a second... Agent: Merchant & Gould Pc

20080107384 - Dual core optic fiber illuminated laser probe: A microsurgical laser probe primarily used in ophthalmic surgery provides both laser light and illumination light to a surgical site from a single light source. The laser probe has a dual core optic fiber that transmits both laser light and illumination light to the surgical site. A center core of... Agent: Thompson Coburn, LLP

20080107385 - Optical fiber and manufacturing method thereof: A core rod is inserted into a cladding pipe, moisture in a space between the core rod and the cladding pipe is removed, and an optical fiber is drawn while the space is connected to a dry-gas atmosphere and/or being decompressed and while the core rod and the cladding pipe... Agent: Mcdermott Will & Emery LLP

20080107386 - Multi-core fiber: A multi-core optical fiber apparatus is disclosed. The multi-core optical fiber apparatus includes a cladding comprising quartz and a plurality of cores embedded in the cladding. Each of the cores has a diameter (D) ranging from 1.3 μm to 2.0 μm, a numerical aperture (NA) from 0.35 to 0.45 and... Agent: Sughrue Mion, Pllc

20080107387 - Light conduits having peripheral, shape-defining polymer overmolds: An elongated light-guiding element includes opposed incident and emission ends between which light propagates by total internal reflection. The light-guiding element includes a glass core with first and second glass core ends and a glass-core outer surface. A non-glass polymeric optical layer extends over at least a portion of the... Agent: Louis J Franco Law Office Of Louis J Franco

20080107388 - Optical waveguide device: An optical waveguide device 1a is configured to include a straight waveguide 2a and bottleneck portions 3a provided in two locations in the longitudinal direction of the waveguide 2a. In the optical waveguide device 1a, light confinement is implemented in all surfaces. This permits provision of an optical waveguide device,... Agent: Hamre, Schumann, Mueller & Larson, P.c.

20080101744 - Optical waveguide sensor devices and methods for making and using them: The present invention relates to optical waveguide sensor devices. One aspect of the present invention is an optical waveguide sensor device, comprising a substrate; and a device layer disposed on the substrate. The device layer includes one or more sensing optical waveguides, each sensing optical waveguide having a core formed... Agent: Honeywell International Inc.

20080101746 - Optical module: An optical module has a substrate having a substrate surface provided with terminal pads and landing pads, and an optical element package having terminals and mounted on the substrate surface with a gap formed therebetween. The gap between the optical element package and the substrate surface is determined by the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080101748 - Mems device lever: A MEMS device and method include a mechanical plate that is raised or lowered by pivoting a lever coupled to the mechanical plate by a flexible beam.... Agent: Hewlett Packard Company

20080101749 - Apertured fiber optic stub for control of multi-mode launch condition: Disclosed are various embodiments of systems, devices, components and methods for launching high-transmission-rate optical communication signals into legacy fiber optic cables. At least one aperture is provided on a proximal end of single-mode fiber optic stub so as to block or otherwise control the propagation of unwanted light into and... Agent: Kathy Manke Avago Technologies Limited

20080101750 - Optical transmitter and/or receiver assembly comprising a planar optical circuit: The invention relates to an optical transmitter and/or receiver assembly comprising at least one transmitter component (2) and/or at least one receiver component (3, 4), in addition to a planar optical circuit (5) with at least one integrated waveguide (51). According to the invention, light from the transmitter element (1)... Agent: Baker Botts L.L.P.

20080101751 - Multi-fiber ferrule with guard fiber: A multi-fiber fiber optic ferrule comprising a ferrule body, at least one optically functional optical fiber received within at least one optical fiber bore defined by the ferrule body, and at least one optically non-functional guard fiber received within at least one guard fiber bore defined by the ferrule body.... Agent: Corning Cable Systems LLC

20080101752 - Small-form-factor fiber optic transceiver module having built-in test capability and method: A fiber optic transceiver module having built-in test capability is packaged in a housing to meet small-form-factor (SFF) requirements. The module has a first optical fiber having an angled end that defines an acute angle relative to a longitudinal axis of the first optical fiber. A second optical fiber also... Agent: Wildman Harrold Allen & Dixon LLP And The Boeing Company

20080101743 - Mws drift feedback compensator using voa and input power dithering: The invention relates to a compensator of attenuation drift in an optical multi-wavelength switch (MWS) which uses input signal amplitude dither and external VOA dither cancellation to determine relative position of MEMS micro mirror hence indirectly determining attenuation level.... Agent: Teitelbaum & Maclean

20080101745 - Single mode (sm) fiber optical reader system and method for interrogating resonant waveguide-grating sensor(s): An optical reader system is described herein which has a single mode (SM) optical fiber launch/receive system that uses one or more SM optical fibers to interrogate a biosensor and does not use multimode (MM) optical fibers to interrogate the biosensor. The use of the SM optical fiber launch/receive system... Agent: Corning Incorporated

20080101747 - Optical gate array device: An optical gate array device which permits the use of an optical gate array with a pitch smaller than the diameter of optical fibers. The optical gate array has an array of optical gates, and an optical fiber array has an array of optical fibers. A lens is arranged between... Agent: Staas & Halsey LLP

20080101753 - Optical fiber coil and production method therefor: An optical fiber coil and a production method therefor make it unnecessary for spaces between single fibers to be widened and for stress to be applied to the single fibers, and in which time and economic costs are low. In the optical fiber coil, an optical fiber ribbon is formed... Agent: Oliff & Berridge, PLC

20080101754 - Optical waveguide: An optical waveguide comprises a core and is characterised in that the core has a refractive index that includes a radial discontinuity and varies, with increasing azimuthal angle θ, from a first value n2 at a first side of the discontinuity to a second value n1 at a second side... Agent: Baker Botts L.L.P.

20080101755 - Single-mode optical fiber:

20080101756 - Optical transmission line retention and light accumulation bushing: Disclosed is an electronic component which includes a removable planar card having a light emitting diode (LED). The electronic component also includes an attachment flange having a first face and a second face substantially parallel to a removable planar card face, and a bushing installed in a hole in the... Agent: Cantor Colburn LLP - IBM Rochester Division

20080101758 - Dust shutter for optical adapter: A dust shutter for an optical adapter, includes a collar, wherein the collar is capable of being provided around an end of the optical adapter; a cover; a hinge that connects the cover to the collar; the hinge configured such that the cover can be provided in an open position... Agent: Sughrue Mion, PLLC

20080101757 - Fiber optic protective shutter: A protection system for a fiber optic coupling having a first housing with a guide slot in a side wall includes a protective cap with a slot in a side wall and defining a passage for receiving the first housing whereby the protective cap slot aligns with the guide slot... Agent: Pepper Hamilton LLP

20080101759 - Prism matrix with random phase structures: An improvement to prism films for displays that reduces the Moiré pattern effect, and also provides a light diffusion function. A prism film with many small prism units is used. The pattern of the prism film is varied, ideally with a random or pseudo random variation. The variation can be... Agent: Townsend And Townsend And Crew, LLP