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| Number | Title | Issue Date |
| 7974510 | Optical waveguide having a core with a polarization-independent, spatially reconfigurable refractive index A waveguide having a spatially-variable refractive index is disclosed. The waveguide having a spatially-variable refractive index comprises a light-propagating medium and a non-uniform distribution of liquid crystal material in a matrix of dielectric material locate... | 07/05/2011 |
| RE41247 | Optical transport system A bi-directional, redundant, optical transport system is configured to provide a non-blocking, bi-directional, multi-channel, protocol independent optical transport system for the simultaneously transfer of digital, analog, and discrete data between a plurality data... | 04/20/2010 |
| 7612862 | Liquid crystal device An object of the invention is to provide a liquid crystal device that uses a smectic liquid crystal and that can produce a uniform display. The liquid crystal device includes a pair of substrates, a smectic liquid crystal provided between the pair of substrates, an ... | 11/03/2009 |
| 7590323 | Optical fibre with high numerical aperture, method of its production, and use thereof An article comprising an optical fiber, the fiber comprising at least one core surrounded by a first outer cladding region, the first outer cladding region being surrounded by a second outer cladding region, the first outer cladding region in the cross-section compr... | 09/15/2009 |
| 7565039 | Resistive heater for thermo optic device Resistive heaters formed in two mask counts on a surface of a grating of a thermo optic device thereby eliminating one mask count from prior art manufacturing methods. The resistive heater is comprised of a heater region and a conductive path region formed together ... | 07/21/2009 |
| 7551819 | Multiple-core photonic-bandgap fiber with coupling between the cores An optical coupler includes a first optical port, a second optical port, a third optical port, and a fourth optical port. The optical coupler further includes a photonic-bandgap fiber having a cladding, a first core, and a second core. The cladding includes a materi... | 06/23/2009 |
| 7515802 | Glass fibre with at least two glass layers The glass fiber for an optical amplifier has a matrix glass core, a first glass cladding, and a second glass cladding. The matrix glass core has a composition, in mol %, of Bi2O3, 30-60; SiO2, 0.5-40; B2O3, 0.5-... | 04/07/2009 |
| 7463326 | Tape carrier package and liquid crystal display panel A tape carrier package includes: a flexible substrate having an end portion that is formed with two recesses spaced apart from each other; a plurality of conductive leads provided on the flexible substrate in a manner to form a pin-like contact array on the end port... | 12/09/2008 |
| 7461980 | Transmitter optical sub-assembly receptacle with thicker split sleeve A transmitter optical sub-assembly receptacle includes a thicker split sleeve positioned within a cylindrical shell structure and partly within a base structure such that a fiber ferrule, which is positioned within the base structure, is partly within the thicker sp... | 12/09/2008 |
| 7463795 | Acousto-optic device The present invention relates to an acousto-optic device capable of extending the frequency band of SAWs being able to be generated by it, the acousto-optic device comprising: a light propagation unit for propagating light; a surface acoustic wave propagation unit c... | 12/09/2008 |
| 7463325 | Liquid crystal display device The present invention aims at the miniaturization and the reduction of thickness of a liquid crystal display device. In a liquid crystal display device which includes: a liquid crystal display panel; a backlight which is arranged on a back-surface side of the liquid... | 12/09/2008 |
| 7460748 | Lensed tip optical fiber and method of making the same A method provided for manufacturing a lensed tip optical fiber. The method includes providing an optically transparent cylindrical fiber; and etching a first end of the optically transparent cylindrical fiber to form a tip. The tip is heated which forms a lens surfa... | 12/02/2008 |
| 7460751 | Lighting or signalling device having an optical guide for a motor vehicle A lighting and/or signalling device, in particular for a motor vehicle, comprising at least one light source emitting light rays and at least one optical guide in which the light beam spreads, the at least one optical guide comprising at at least one of its ends an ... | 12/02/2008 |
| 7460740 | Intensity modulated fiber optic static pressure sensor system A fiber optic sensor for measuring static pressure includes a cartridge housing having an end that is exposed to the atmosphere, a thin flexible membrane covering the exposed end of the cartridge housing such that the flexible membrane has an exposed side and a prot... | 12/02/2008 |
| 7457500 | Large-mode-area, multimode, hybrid optical fibers and devices using same A large mode area optical fiber is configured to support multiple transverse modes of signal radiation within its core region. The fiber is a hybrid design that includes at least two axial segments having different characteristics. In a first axial segment the trans... | 11/25/2008 |
| 7457505 | Patch cord management system A slack loop manager is mountable to a network rack having a left side and a right side. The slack loop manager includes a first plurality of slack spools angled from the left side to the right side of the rack, and a second plurality of slack spools angled from the... | 11/25/2008 |
| 7457497 | Optical multiplexer/demultiplexer and optical communication system The optical multiplexer/demultiplexer 100 includes a member 110 on which optical waveguides 111 to 114 and a groove 115 are formed and an optical filter 120 inserted in the groove 115. The member 110 is a plana... | 11/25/2008 |
| 7456408 | Illumination system particularly for microlithography There is provided an illumination system for microlithography. The illumination system includes an optical element having a plurality of field raster elements, a plane in which a field is illuminated, and a grazing incidence mirror situated in a light path from the ... | 11/25/2008 |
| 7455461 | Optoelectronic component and method for the production thereof To secure an optical lens over an optoelectronic transmitter or receiver, it is proposed to use a UV-initiated or photoinitiated, cationically curing epoxy resin, by means of which the bonded joint can be set and thereby fixed in a few seconds. Also proposed, for us... | 11/25/2008 |
| 7454117 | Fiber splicing and gripping device An optical fiber splicing and gripping device includes a material having first and second members hingedly attached. A gripping region is formed in the material that includes first and second gripping portions disposed on first and second inner portions of each of t... | 11/18/2008 |
| 7454094 | Optical reader system and method that uses non-coherent illumination and angular filtering to interrogate a label independent biosensor An optical reader system and method are described herein that directs a non-coherent light towards a biosensor, collects the non-coherent light which is reflected (or transmitted) from (or through) the biosensor, and then angularly filters the collected non-coherent... | 11/18/2008 |
| 7454100 | Single-pole optical wavelength selector A fiber-optical, wavelength selective switch, especially for channel blocking applications. The input signal is converted to light beams having predefined polarizations relative to the plane in which optical manipulation of the beam is performed. The beams are then ... | 11/18/2008 |
| 7454112 | Ridge and mesa optical waveguides Apparatus including: a substrate layer having a substantially planar top surface; an optically conductive peak located and elongated on, and spanning a first thickness measured in a direction generally away from, the top surface; the optically conductive peak having... | 11/18/2008 |
| 7454110 | Method of constructing a reconfigurable photonic band gap device A method for constructing a reconfigurable photonic band gap device having a substrate and a crystal membrane with a lattice structure having its ends attached to a substrate so that a midportion of the lattice membrane is spaced upwardly from the substrate and form... | 11/18/2008 |
| 7454102 | Optical coupling structure An optoelectronic coupling structure, a method of manufacture, and a method of operation are described. The optical coupling structure includes a waveguide that is formed within a device layer of an SOI substrate. A prism is located on a bottom side of the SOI subst... | 11/18/2008 |
| 7450810 | Two-dimensional photonic crystal cavity and channel add/drop filter In 2D photonic crystals, cavities having a heightened Q factor are made available, wherein combining the high Q cavities with waveguides affords channel add/drop filters having high resolution. In a cavity constituted by a point defect within a 2D photonic crystal, ... | 11/11/2008 |
| 7450807 | Low bend loss optical fiber with deep depressed ring Optical waveguide fiber that is bend resistant and single moded at 1260 nm and at higher wavelengths. The optical fiber includes a core and cladding, the cladding having an annular inner region, an annular ring region, and an annular outer region. The annular ring r... | 11/11/2008 |
| 7450803 | Optical waveguide The invention is directed to an optical waveguide that reduces an excess loss caused in a curved waveguide region by a deviation of the center axis of a beam propagating mode from the center axis of the optical waveguide. The optical waveguide has its part curved, a... | 11/11/2008 |
| 7450801 | Apparatus for free-space switching between planar lightwave circuits A free-space optical switch for switching light beams between waveguides of planar lightwave circuits (PLCs). Switching is accomplished using a combination of lenses and micromirrors. The lenses and the controlled tilt of the micromirrors can establish a one-to-one ... | 11/11/2008 |
| 7450800 | Precise and permanent modification of the resonant frequency of a dielectric microcavity and correction of frequency shifts in dielectric coupled-resonator filters A coupled resonator includes a plurality of resonators such that at least one of the resonators is modified so as to adjust the resonant frequency associated with the coupled resonator. ... | 11/11/2008 |
| 7450791 | Optic control module An optic control module includes a housing, a light source, an optic lens body, a detector, and a control circuit. The housing contains therein a circuit board in electrical connection with a plurality of terminal pins. The light source is mounted on the circuit boa... | 11/11/2008 |
| 7450798 | Automatic shutdown system and method for optical multiplexers and demultiplexers An automatic shutdown system for optical multiplexers and demultiplexers includes an optical switch that is disposed in a common optical channel between a transmitter and a receiver of an optical communication system. The optical switch may attenuate or block a sign... | 11/11/2008 |
| 7450188 | Multi-user autostereoscopic display with position tracking An autostereoscopic multi-user display comprising a sweet-spot unit which is directionally controlled by a tracking and image control device (160), wherein an illumination matrix (120) is provided with separately activatable illuminating elements (1... | 11/11/2008 |
| 7450187 | Liquid crystal shutter device for a camera A liquid crystal shutter (100) and a camera (200) with therein. The liquid crystal shutter (100) includes a power supply (10), a switch (20) and a liquid crystal box (40), all parts are electrically connected and form a cont... | 11/11/2008 |
| 7447414 | Cable protector apparatus A cable protector (for protecting e.g. optical cable) apparatus provides an elongated flexible body having a central longitudinal bore for holding the cable to be protected. The elongated body provides an outer surface, an inner surface, and a mass of flexible absor... | 11/04/2008 |
| 7447404 | Photonic integrated circuit An optical platform including optical bench, an optical or photonic coupling device and a photonic circuit. The photonic circuit includes a photonic crystal along a waveguide and/or defect. The coupling device may be a waveguide or impedance matching interconnection... | 11/04/2008 |
| 7447397 | Optical switch matrix An optical switch matrix is described herein. In one embodiment, an exemplary optical switch matrix includes, but is not limited to, multiple input waveguides, multiple output waveguides, for each of the input waveguides and each of the output waveguides, a switchin... | 11/04/2008 |
| 7446845 | Liquid crystal display device and its manufacturing method The occurrence of the poor electric connection between the outer circuit and the liquid crystal display device can be reduced in the manufacturing method of the outer circuit and liquid display device of this invention. The liquid crystal display device has the pixe... | 11/04/2008 |
| 7447389 | Optical modulator An optical modulator includes a signal electrode for application of modulation signals whereby light propagated over an optical waveguide is modulated, and bias electrodes for application of a bias voltage for controlling an operating point for the modulation signal... | 11/04/2008 |
| 7447390 | Pressure transducer with optical waveguide feedthrough assembly Optical sensors used in harsh environments require a sealed pressure tight passage of an optical waveguide into an interior of the sensor. In one embodiment, a pressure sensor assembly for determining the pressure of a fluid in a harsh environment includes a sensing... | 11/04/2008 |
