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| Number | Title | Issue Date |
| 7738160 | Optical components, illumination systems, and methods Lithography aperture lenses, illumination systems, and methods are disclosed. In a preferred embodiment, a lens includes a substantially transparent material and an electro-optical material disposed proximate the substantially transparent material, wherein the lens ... | 06/15/2010 |
| 7453625 | Method of producing domain inversion parts and optical devices A comb electrode 3 is provided on a first main face 2a and a uniform electrode 4 is provided on a second main face 2b of a substrate made of a ferroelectric single crystal of a single domain, and a voltage is applied on the ... | 11/18/2008 |
| 7440160 | Electro-optical light modulating element, electro-optical display and modulating medium The invention relates to electrooptical light modulating elements, to electrooptical displays containing elements of this type, and to display systems, e.g. television screens and computer monitors, and to the modulating media used therein. The inventive light modul... | 10/21/2008 |
| 7428036 | Liquid crystal switchable coupler for coupling at least two unpolarized light inputs A switchable coupler (10) has a first waveguide (15) defining an inlet port (31) for a first unpolarized light input (A) and a first outlet port (32), and also a second waveguide (16) defining an inlet port (41) for a second... | 09/23/2008 |
| 7420726 | Mounting structure, electro-optical device and electronic apparatus, and magnetic chucking device A mounting structure for accommodating an electro-optical device having an image display area from which display light exits and for holding the accommodated electro-optical device by magnetic force includes a case and a mounting unit. The case has a window disposed... | 09/02/2008 |
| 7411724 | Electro-optic crystal, diffraction-based, beam-steering element A beam-steering element made of a more optically-active material, potassium tantalate niobate, with an improved diffraction efficiency, having a plurality of electrode layers and one electro-optic crystal layer interposed between every two adjacent electrode layers.... | 08/12/2008 |
| 7408696 | Three-dimensional electrophoretic displays This invention relates to three-dimensional (3-D) electrophoretic displays comprising individually sealed cells filled with optically active electrophoretic dispersions, and more particularly to bi-stable, low-power-consumption and sealed microcup-based electrophore... | 08/05/2008 |
| 7403677 | Fiberoptic reconfigurable devices with beam shaping for low-voltage operation An apparatus and method to operate on a light beam by using a lens that collimates the light beam to a collimated beam with at least one cross-sectional dimension less than a critical dimension of 400 μm or less over a working range WR. The apparatus has a bulk ele... | 07/22/2008 |
| 7382958 | Photonic crystal wave guide optical spectrometer An optical instrument for splitting optical spectrum, comprising a series of hollow core optical wave guides (12, 22, and so on) connected by optical couplers (16, 26, and so on) transporting broad band incident optical wave from one stage to another, ... | 06/03/2008 |
| 7359606 | Photonic crystal optical circuit and method for controlling the same In an optical circuit including multi-dimensional photonic crystals, in which the optical circuit has a structure (33), such as a light emitting member or a light receiving member, having a natural resonance frequency, another structure (34) having a n... | 04/15/2008 |
| 7355776 | Acoustic damping material for electro-optic materials An acoustic damping material for electro-optic material has an adhesive material combined with a ceramic crystalline material such that the acoustic impedance of the combined adhesive material and the ceramic crystalline material is substantially the same as the aco... | 04/08/2008 |
| 7324266 | Electrooptical element An electrooptical element is disclosed, made from a crystal, for an electrooptical modulator (EOM), for example, a Pockels cell, comprising a housing, with the crystal arranged therein in the form of a vertical cylinder, the both end surfaces of which form a front p... | 01/29/2008 |
| 7310182 | Method and apparatus for modulating an optical beam in an optical device with a photonic crystal lattice An apparatus and method for modulating an optical beam by modulating a photonic band gap of a photonic crystal lattice. In one embodiment, an apparatus according to embodiments of the present invention includes a photonic crystal lattice in first semiconductor mater... | 12/18/2007 |
| 7303626 | Three-dimensional periodic structure and method for producing the same Photonic crystal units (10a, 10b, and 10c) are formed by an optical molding process using a photocurable resin, and partitions (11) are provided at the boundaries therebetween. The voids in each photonic crystal unit ... | 12/04/2007 |
| 7295373 | Power polarization beam combiner and its applications in fiber communication This specification discloses a power polarization beam combiner and its applications in fiber communications. The power polarization beam combiner uses the photonic band gap formed in a photonic crystal to produce a left-hand material with a negative refractive inde... | 11/13/2007 |
| 7280678 | Apparatus and method for detecting pupils Methods and apparatus for pupil detection are described. First light is emitted from a first light source at a first illumination angle relative to the axis of a detector. Second light is emitted from a second light source at a second illumination angle relative to ... | 10/09/2007 |
| 7273788 | Ultra-thin semiconductors bonded on glass substrates A method for forming a semiconductor on insulator structure includes providing a glass substrate, providing a semiconductor wafer, and performing a bonding cut process on the semiconductor wafer and the glass substrate to provide a thin semiconductor layer bonded to... | 09/25/2007 |
| 7272091 | Birefringence characteristic measuring method, optical recording medium and optical information recording/reproducing apparatus Four types of optical systems, a polarization optical system including an objective lens having a high numerical aperture, a polarization optical system including an objective lens having a low numerical aperture, a non-polarization optical system including an objec... | 09/18/2007 |
| 7262428 | Strained Si/SiGe/SOI islands and processes of making same A process of making a strained silicon-on-insulator structure is disclosed. A recess is formed in a substrate to laterally isolate an active area. An undercutting etch forms a bubble recess under the active area to partially vertically isolate the active area. A the... | 08/28/2007 |
| 7263251 | Optical switch having photonic crystal structure The present invention provides an optical switch having a photonic crystal structure. An optical switch of the invention has a slab optical waveguide structure whose core (35) has a two-dimensional photonic crystal structure where two or more media (33, 34... | 08/28/2007 |
| 7254155 | High power single mode vertical cavity surface emitting laser A single mode high power vertical cavity surface emitting laser (VCSEL) using photonic crystals. A photonic crystal is included in at least one mirror layer of a VCSEL. The reflectivity of the photonic crystal is dependent on the wavelength and incident angle of the... | 08/07/2007 |
| 7245334 | Electro-optical device encased in mounting case, projection display apparatus, and mounting case The invention provides an electro-optical device that displays high quality images regardless of temperature circumstances of the surroundings. The electro-optical device can be encased in a mounting case which accommodates a liquid crystal panel in which projection... | 07/17/2007 |
| 7239450 | Method of determining lens materials for a projection exposure apparatus A method of determining materials of lenses contained in an optical system of a projection exposure apparatus is described. First, for each lens of a plurality of the lenses, a susceptibility factor KLT/LH is determined. This factor is a measure of the su... | 07/03/2007 |
| RE39642 | Spatial light modulator and method A spatial light modulator including a thin layer of solid-state electro-optical material having parallel, opposite first and second surfaces, an elongated first electrode disposed on the first surface and a plurality of spaced, elongated second electrodes disposed o... | 05/22/2007 |
| 7218819 | Electrode systems for optical modulation and optical modulators An object of the invention is to provide an electrode system for optical modulation of an optical modulator to reduce a thickness “E” of an electrode required for velocity matching and for reducing a propagation loss in the electrode. A substrate 2 is mad... | 05/15/2007 |
| 7215457 | Apparatus and methods for modulating refractive index An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and the imaginary portion of the dielectric constant change, the change in ... | 05/08/2007 |
| 7212332 | Micro-electromechanical system (MEMS) polyelectrolyte gel network pump According to embodiments of the present invention, a first layer of electrically conductive material may be disposed in a recess in a micro-electromechanical system (MEMS) base. An electrically charged gel network may be disposed in the recess on the first layer of ... | 05/01/2007 |
| 7206121 | Optical path switching device An optical path switching device comprises a light transmitting portion, a first electrode layer, a second electrode layer, a first adhesive layer, a second adhesive layer, a first supporting portion and a second supporting portion. The light transmitting portion ha... | 04/17/2007 |
| 7198673 | Optical lithography fluoride crystal annealing furnace A method of making below 250-nm UV light transmitting optical fluoride lithography crystals includes applying heat along a shortest path of conduction of a selected optical fluoride crystal, heating the optical fluoride crystal to an annealing temperature, holding t... | 04/03/2007 |
| 7200312 | Optical waveguide device An optical waveguide device has: photonic crystal regions 305, each having holes 304 arranged in a periodic array; and an optical waveguide 302. Within the waveguide 302, high refractive index portions 303 are arranged along the wa... | 04/03/2007 |
| 7193719 | Device and method for tuning an SPR device The invention related to devices and methods wherein the conditions, under which surface plasmon resonance is established, are modified by altering the balance between orientations of the spins of charge carriers in an SPR layer. The embodiments of this invention ma... | 03/20/2007 |
| 7192530 | Method of manufacturing distributed analog phase shifter using etched ferroelectric thin film Provided are a distributed analog phase shifter and a method of manufacturing the same, which reduce a change in a characteristic impedance while changing a phase velocity with respect to an applied voltage. In the distributed analog phase shifter, a coplanar wavegu... | 03/20/2007 |
| 7187491 | Beam steering using photonic crystal A device for deflecting an incident radiation beam through a steering angle to produce a deflected radiation beam is described. The device comprises a photonic crystal receiving the incident radiation beam at a dynamically controlled incidence angle. The photonic cr... | 03/06/2007 |
| 7180673 | Mechanically-adjustable optical phase filters for modifying depth of field, aberration-tolerance, anti-aliasing in optical systems An optical system with mechanical adjustment provides for the rotation and/or translation of one or more optical phase filters to variably select an extended depth of field, aberration-tolerance, and/or anti-aliasing properties of an optical imaging system. By adjus... | 02/20/2007 |
| 7181120 | Optical active device In an optical device, a slab layer has an active layer sandwiched between two cladding layers. Periodic air holes are present in the slab layer. A linear defect region is present in a part of the air hole structures. As a result, laser oscillation is generated at th... | 02/20/2007 |
| 7171063 | Controllable electro-optic device having substrate trenches between electrodes An optical modulator which has substantially low loss and has an improvement in voltage reduction is disclosed having an electro-optic lithium niobate substrate. The substrate has first, second and third ridges extending along its surface. Extending along the first ... | 01/30/2007 |
| 7153753 | Strained Si/SiGe/SOI islands and processes of making same A process of making a strained silicon-on-insulator structure is disclosed. A recess is formed in a substrate to laterally isolate an active area. An undercutting etch forms a bubble recess under the active area to partially vertically isolate the active area. A the... | 12/26/2006 |
| 7151629 | Three-dimensional photonic crystal and optical device including the same A three-dimensional photonic crystal includes a first region including a first layer, a second layer, a third layer, a fourth layer and a second region including the first layer, the second layer, the third layer, the fourth layer, and additional layers including di... | 12/19/2006 |
| 7145709 | Apparatus and methods for modulating refractive index An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and the imaginary portion of the dielectric constant change, the change in ... | 12/05/2006 |
| 7142353 | System and method utilizing an electrooptic modulator A system and method utilize an optical element that receives an electrical field, which changes an index of refraction in at least one direction within the optical element. The change in index of refraction imparts a change to a beam of radiation passing through the... | 11/28/2006 |
