| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | Optical processing | US11978258 | 2007-10-29 | US08089683B2 | 2012-01-03 | Melanie Holmes |
| A modular routing node includes a single input port and a plurality of output ports. The modular routing node is arranged to produce a plurality of different deflections and uses small adjustments to compensate for wavelength differences and alignment tolerances in an optical system. An optical device is arranged to receive a multiplex of many optical signals at different wavelengths, to separate the optical signals into at least two groups, and to process at least one of the groups adaptively. | ||||||
| 182 | Organic electroluminescence element, and illuminating device and display device therewith | US12298043 | 2007-08-28 | US07973469B2 | 2011-07-05 | Mitsuru Yokoyama |
| In an organic EL element, at the interface between a first electrode and a light-emitting layer, a diffraction grating with grating constants a, b, and c is provided in the form of surface irregularities on the first electrode. The grating constants are determined such that, when the effective refractive index as light experiences in the organic EL element is n, with respect to the periods d01, d10, and d1−1 defining the periodicity of the diffraction grating, n×d01 corresponds to a red region and n×d10 and n×d1−1 correspond to a blue to green region. | ||||||
| 183 | Liquid crystal device with bi- or multistable alignment gratings | US11826701 | 2007-07-17 | US07956980B2 | 2011-06-07 | John C Jones |
| A liquid crystal device is described that comprises a layer of liquid crystal material contained between a first cell wall and a second cell wall. The layer of liquid crystal material being switchable between at least a first state and a second state, said first state and said second state having sufficiently low splay to enable rapid electrical switching therebetween. The internal surface of said first cell wall is arranged to provide two or more surface alignment configurations of different pretilt to said layer of liquid crystal material. Said states may persist in the absence of an applied electric field. In particular, the invention relates to pi-cell devices that allow for rapid switching from the initial splay state to the bend states, and also to bistable or multistable pi-cell devices. | ||||||
| 184 | Passive and active photonic crystal structures and devices | US11686452 | 2007-03-15 | US07854505B2 | 2010-12-21 | Brian T. Cunningham; Dennis W. Dobbs |
| The present invention provides photonic crystal devices, device components and methods for preventing transmission of electromagnetic radiation from one or more laser sources or laser modes so as to provide an optical shield for protecting a users eyes or an optical sensor. The present invention also provides dynamic photonic crystals and devices incorporating dynamic photonic crystals for optically modulating the intensity of one or more beams of electromagnetic radiation and other optical switching applications. | ||||||
| 185 | Composite light division device and image apparatus using the same | US12400800 | 2009-03-10 | US07719767B2 | 2010-05-18 | Hui-Hsiung Lin; Chi-Hung Lee; Yu-Nan Pao |
| A composite light dividing device is provided. The composite light dividing device receives a light beam mixed by lights of at least two wavebands. The composite light dividing device includes a refracting/diffracting unit, and a refracting unit. The refracting/diffracting unit is adapted for receiving the light beam and condensing the light beam into a condensed light beam, and dividing the condensed light beam at a deflection direction to obtain the lights of the wavebands. The refracting unit is adapted for deflecting the divided lights of the wavebands for outputting them from a specific direction. The composite light dividing device for example can be used in an image apparatus, and the divided lights of the wavebands can serve as primary color lights of the pixel colors. | ||||||
| 186 | ULTRA-WIDE BAND SLOW LIGHT STRUCTURE USING PLASMONIC GRADED GRATING STRUCTURES | US12609478 | 2009-10-30 | US20100110525A1 | 2010-05-06 | Qiaoqiang GAN; Zhan FU; Yujie J. DING; Filbert J. BARTOLI |
| A slow light system includes a substrate and a metal layer formed thereon, the metal layer having a graded grating structure formed at a surface thereof, wherein the grating depth of the grating structure is sized such that surface-plasmon polariton dispersion behavior of the grating structure differs at different respective locations along the grating structure. Different wavelengths of incident light waves can be slowed at the respective locations along the grating structure. | ||||||
| 187 | Surface-Plasmon-Based Optical Modulator | US12510499 | 2009-07-28 | US20100039693A1 | 2010-02-18 | Andrey Kobyakov; Kevin Bryan Sparks; Aramais Zakharian |
| An optical modulator that utilizes Bloch surface plasmon (BSP) effects is disclosed. The BSP optical (BSPO) modulator (10) includes a permittivity-modulated (P-M) grating (20) that can be one-dimensional or two-dimensional. Electro-optic (EO) substrates (30) sandwich the P-M grating. The EO substrates have electrodes (64) arranged thereon, and a voltage source (60) connected to the electrodes is used to provide an applied voltage (V30) via a modulation voltage signals (SM) that switches the modulator. Index-matching layers (40) may be used to mitigate adverse reflection effects. The BSPO modulator allows for normally incident input light (100I) to be modulated directly without having to generate oblique angles of incidence for the input light in order to excite the surface plasmon. | ||||||
| 188 | Optical processing | US11514725 | 2006-09-01 | US07664395B2 | 2010-02-16 | Melanie Holmes |
| To operate an optical device comprising an SLM with a two-dimensional array of controllable phase-modulating elements groups of individual phase-modulating elements are delineated, and control data selected from a store for each delineated group of phase-modulating elements. The selected control data are used to generate holograms at each group and one or both of the delineation of the groups and the selection of control data is/are varied. In this way upon illumination of the groups by light beams, light beams emergent from the groups are controllable independently of each other. | ||||||
| 189 | Optoelectronic modulator and electric-field sensor with multiple optical-waveguide gratings | US12141825 | 2008-06-18 | US07657132B1 | 2010-02-02 | Daniel Yap; David L. Persechini; Kevin Geary |
| An optoelectronic-RF device has at least one optical modulator/sensor comprising at least two cascaded optical-waveguide gratings and at least one non-grating optical waveguide segment interconnecting the at least two cascaded optical-waveguide gratings, with at least one optical waveguide segment interconnecting the at least two cascaded optical-waveguide gratings via the at least one non-grating optical waveguide segment. An RF waveguide is provided for propagating an RF electric field, the at least one optical modulator/sensor being disposed in and forming a portion of the RF waveguide with light propagating through the cascaded optical-waveguide gratings in a direction that is perpendicular to a direction of propagation of the RF electric field in the RF waveguide. | ||||||
| 190 | COMPOSITE LIGHT DIVISION DEVICE AND IMAGE APPARATUS USING THE SAME | US12400800 | 2009-03-10 | US20090323194A1 | 2009-12-31 | Hui-Hsiung Lin; Chi-Hung Lee; Yu-Nan Pao |
| A composite light dividing device is provided. The composite light dividing device receives a light beam mixed by lights of at least two wavebands. The composite light dividing device includes a refracting/diffracting unit, and a refracting unit. The refracting/diffracting unit is adapted for receiving the light beam and condensing the light beam into a condensed light beam, and dividing the condensed light beam at a deflection direction to obtain the lights of the wavebands. The refracting unit is adapted for deflecting the divided lights of the wavebands for outputting them from a specific direction. The composite light dividing device for example can be used in an image apparatus, and the divided lights of the wavebands can serve as primary color lights of the pixel colors. | ||||||
| 191 | PASSIVE AND ACTIVE PHOTONIC CRYSTAL STRUCTURES AND DEVICES | US11686452 | 2007-03-15 | US20090323014A1 | 2009-12-31 | Brian T. Cunningham; Dennis W. Dobbs |
| The present invention provides photonic crystal devices, device components and methods for preventing transmission of electromagnetic radiation from one or more laser sources or laser modes so as to provide an optical shield for protecting a users eyes or an optical sensor. The present invention also provides dynamic photonic crystals and devices incorporating dynamic photonic crystals for optically modulating the intensity of one or more beams of electromagnetic radiation and other optical switching applications. | ||||||
| 192 | Three-terminal optical signal amplifying device | US12458357 | 2009-07-09 | US20090279165A1 | 2009-11-12 | Yoshinobu Maeda |
| In the three-terminal optical signal amplifying device 10, a portion of the neighboring light LS at other wavelength than that of the first wavelength λ1 that is selected from the output light from the element 14 by the optical add drop filter 16, and the control light LC at the second wavelength λ2 input from the external are together input to the second semiconductor optical amplifying element 18. The output light including the output signal light LOUT at the second wavelength λ2 and the neighboring light at the neighboring wavelength to the second wavelength λ2 that is modulated and controlled by the control light LC in the cross gain modulation is output from the second semiconductor optical amplifying element 18. And the output signal light LOUT at the second wavelength λ2 passes through the wavelength selecting filter 20. | ||||||
| 193 | Multi-channel Chromatic Dispersion Compensator | US11911047 | 2006-04-07 | US20090219601A1 | 2009-09-03 | Yossi Corem; Seong Woo Shu; Gil Cohen |
| A multi-wavelength device to compensate for chromatic dispersion in an optical transmission by inducing a phase shift which varies quadratically as a function of the different frequencies within the transmission. The quadratic phase variation can be applied by dispersing the input optical signal such that different wavelength components are spatially spread, and disposing an array of phase shifting elements along the dispersion direction, such that different wavelengths pass through different phase shifting elements. The elements are actuated to provide a phase shift which varies at least partially quadratically along the dispersion axis, and thus generates at least a partially quadratic phase variation to the wavelength components. This compensates for a phase shift having a quadratic dependence on frequency, generated as a result of the chromatic dispersion. The device is tunable, such that changes in chromatic dispersion can be compensated for dynamically. | ||||||
| 194 | Optical switches | US12137495 | 2008-06-11 | US07519250B2 | 2009-04-14 | Jeffery J. Maki |
| Optical switches are described herein. In one embodiment, an exemplary optical switch includes, but is not limited to, a first waveguide, a second waveguide across with the first waveguide in an angle to form an intersection, and a pair of electrodes placed within a proximity of the intersection to switch a light traveling from the first waveguide to the second waveguide, where the intersection includes a geometry that supports single and multimode propagation. Other methods and apparatuses are also described. | ||||||
| 195 | Resistive heater for thermo optic device | US11424401 | 2006-06-15 | US07509005B2 | 2009-03-24 | Gurtej Singh Sandhu; Guy T. Blalock |
| 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 in a first mask count from a relatively high resistance material. A conductor formed from a relatively low resistance material is formed directly on the conductive path region in a second mask count. Thermo optic devices formed by these two mask count methods are also described. | ||||||
| 196 | ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ILLUMINATING DEVICE AND DISPLAY DEVICE THEREWITH | US12298043 | 2007-08-28 | US20090066241A1 | 2009-03-12 | Mitsuru Yokoyama |
| In an organic EL element, at the interface between a first electrode and a light-emitting layer, a diffraction grating with grating constants a, b, and c is provided in the form of surface irregularities on the first electrode. The grating constants are determined such that, when the effective refractive index as light experiences in the organic EL element is n, with respect to the periods d01, d10, and d1−1 defining the periodicity of the diffraction grating, n×d01 corresponds to a red region and n×d10 and n×d1−1 correspond to a blue to green region. | ||||||
| 197 | Optical Switches | US12137495 | 2008-06-11 | US20080292240A1 | 2008-11-27 | Jeffery J. Maki |
| Optical switches are described herein. In one embodiment, an exemplary optical switch includes, but is not limited to, a first waveguide, a second waveguide across with the first waveguide in an angle to form an intersection, and a pair of electrodes placed within a proximity of the intersection to switch a light traveling from the first waveguide to the second waveguide, where the intersection includes a geometry that supports single and multimode propagation. Other methods and apparatuses are also described. | ||||||
| 198 | Optical switches | US11215068 | 2005-08-29 | US07397989B2 | 2008-07-08 | Jeffery J. Maki |
| Optical switches are described herein. In one embodiment, an exemplary optical switch includes, but is not limited to, a first waveguide, a second waveguide across with the first waveguide in an angle to form an intersection, and a pair of electrodes placed within a proximity of the intersection to switch a light traveling from the first waveguide to the second waveguide, where at least one of the electrodes includes a non-uniform edge to deflect a light remained after switching from the first waveguide to the second waveguide to a direction other than a direction associated with the first waveguide. Other methods and apparatuses are also described. | ||||||
| 199 | Liquid crystal device with bi- or multistable alignment gratings | US11826701 | 2007-07-17 | US20080024707A1 | 2008-01-31 | John Jones |
| A liquid crystal device is described that comprises a layer of liquid crystal material contained between a first cell wall and a second cell wall. The layer of liquid crystal material being switchable between at least a first state and a second state, said first state and said second state having sufficiently low splay to enable rapid electrical switching therebetween. The internal surface of said first cell wall is arranged to provide two or more surface alignment configurations of different pretilt to said layer of liquid crystal material. Said states may persist in the absence of an applied electric field. In particular, the invention relates to pi-cell devices that allow for rapid switching from the initial splay state to the bend states, and also to bistable or multistable pi-cell devices. | ||||||
| 200 | Optical transistor with sub-wavelength aperture | US10962225 | 2004-10-12 | US07302129B2 | 2007-11-27 | Robert J. Howard |
| An optical switch has a conductor and one or more sub-wavelength apertures. The switch is activated and periodic perturbations are dynamically formed in proximity to the conductor. Photons are directed toward and impinge upon the switch, and a greater amount of light propagates through the sub-wavelength apertures in the activated switch as compared to an unactivated switch. | ||||||
QQ群二维码
意见反馈
意见反馈