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| Number | Title | Issue Date |
| 8081383 | Coupler and related method for equilibrating a duality modulated beam with another beam using one or more mach-zehnder stages A generator of duality modulated radiation, of which the irradiance, the wave intensity, or both, are varied from ordinarily equivalent levels, either for purposes of providing energy depleted or energy enriched radiation or for purpose of encoding an information si... | 12/20/2011 |
| 8023190 | Antireflection structure and optical device including the same A diffusing plate has a surface including a plurality of fine concave/convex portions regularly arranged within a cycle equal to or smaller than a predetermined wavelength. The surface has a larger surface roughness than the predetermined wavelength. An average valu... | 09/20/2011 |
| 7957064 | Antireflection structure and optical device including the same A diffusing plate is formed so as to have a surface having a larger surface roughness than a predetermined wavelength and having an aperiodic roughness shape. A plurality of fine concave/convex portions are formed on the surface so as to be regularly arranged within... | 06/07/2011 |
| 7894136 | Optical lattice microscopy using pediodic interference patterns of coherent waves A method for creating a periodic interference pattern of coherent waves in two or three dimensions, D, includes generating at least D+2 waves, where each wave has substantially the same wavelength, λ, and travels substantially in a unique direction, kn. ... | 02/22/2011 |
| 7787184 | Member having antireflection structure A reflection of unnecessary light, which should be prevented, can be suppressed, and occurrence of stray light can be reduced using a member having an antireflection structure, comprising a plate-like portion 2, and an aperture portion 3 formed in the ... | 08/31/2010 |
| 7561334 | Method and apparatus for reducing back-glass deflection in an interferometric modulator display device Methods and apparatus for reducing back-glass deflection in an interferometric modulator display device are provided. In one embodiment, an interferometric modulator display is provided that includes a including a substrate, an optical stack formed on the substrate,... | 07/14/2009 |
| 7532400 | Long-distance quantum communication The invention provides systems and methods enabling high fidelity quantum communication over long communication channels even in the presence of significant loss in the channels. The invention involves laser manipulation of quantum correlated atomic ensembles using ... | 05/12/2009 |
| 7518795 | Filter module, optical module and method for fabricating the same A filter module, has an excellent high temperature and high humidity resistance. The filter module includes an optical filter assembly including multilayer filters and transparent members that is dropped into a bore formed in a metallic base. An adhesive4 is ... | 04/14/2009 |
| 7433126 | Illuminating optical device in image display device and image display device Speckle noise is reduced to increase image quality in an image display apparatus such as a projection display or the like. An illuminating optical device in an image display apparatus (1) applies a laser beam L to a GLV (spatial modulator) (6) a... | 10/07/2008 |
| 7408713 | Step-phase interferometric optical interleaver The cavity in the mirror arm of a conventional interleaver is replaced by a wedge integral with the beamsplitter structure of the interleaver. Thus, the light reflected from the AR-coated surface of the wedge is dispersed away from the optics of the device. The beam... | 08/05/2008 |
| 7394986 | Flat top optical filtering component The invention relates to wavelength-selective optical filters for allowing light of a narrow optical spectral band, centered around a wavelength (λc) to pass through them, while reflecting the wavelengths lying outside this band. According to the inventi... | 07/01/2008 |
| 7362943 | Polymeric photonic crystals with co-continuous phases An optical element is formed by co-extruding to have an arrangement of polymer scattering fibers within a polymer matrix. The scattering fibers lie substantially parallel to a first axis. The scattering fibers are arranged at positions across the cross-section of th... | 04/22/2008 |
| 7357521 | Chromatic dispersion compensation device and method A chromatic dispersion compensator whereby the amount of dispersion and the group delay time can be easily adjusted. A dispersion unit, a transmitting lens and a group delay generation unit are arranged along the optical axis of incident light. The dispersion unit s... | 04/15/2008 |
| 7356229 | Reflective polarizers containing polymer fibers A polarizer is formed with an arrangement of polymer fibers substantially parallel within a polymer matrix. The polymer fibers are formed of at least first and second polymer materials. At least one of the polymer matrix and the first and second polymer materials is... | 04/08/2008 |
| 7343094 | Transmission characteristics evaluation system and pseudo transmission path apparatus thereof A transmission characteristics evaluation system can measure the dispersion tolerance and the insertion loss gradient tolerance at a high precision with reduced number of working steps for the measurement in evaluating the transmission characteristics of an optical ... | 03/11/2008 |
| 7342645 | Stage control apparatus and method, stage apparatus and exposure apparatus A stage control apparatus for controlling a stage on which a substrate can be placed and moved generates a target value relating to a vertical direction of the stage based upon substrate surface position information that corresponds to unevenness of the surface of t... | 03/11/2008 |
| 7317574 | Long-distance quantum communication Apparatus and methods for high fidelity quantum communication over long communication channels even in the presence of significant loss in the channels are disclosed. The invention employs laser manipulation of quantum correlated atomic ensembles using linear optic ... | 01/08/2008 |
| 7317576 | Dichroic filters on flexible polymer film substrates Now, according to the present invention, dichroic filters are provided that incorporate a flexible polymer film substrate, such as poly(ethylene naphthalate), onto which a dielectric and/or reflective metal stack has been formed. Filters of the present invention are... | 01/08/2008 |
| 7315667 | Propagating light to be sensed Light to be sensed is spreaded across an entry surface of a transmission structure with a laterally varying energy transmission function. For example, the light could be output from a stimulus-wavelength converter, provided through an optical fiber, or it could come... | 01/01/2008 |
| 7310362 | Semiconductor light emitting device and semiconductor light emitting apparatus A semiconductor light emitting device comprises: a stacked body of semiconductor including an active layer; a ridge stripe protruding and extending in a first direction on a first major surface of the stacked body; dummy ridges protruding on the first major surface ... | 12/18/2007 |
| 7306941 | Biochemical measuring chip and measuring apparatus A simple and convenient sensor and measuring apparatus utilizing the optical interference effect of an optical thin film capable of measuring the binding between biochemical substances at a high throughput and having alkali resistance. An optical thin film of silico... | 12/11/2007 |
| 7304799 | Tunable optical filter with heater on a CTE-matched transparent substrate An optical device including: a glass substrate; a crystalline silicon layer bonded to the glass substrate; and a thermally tunable thin-film optical filter fabricated on top of the crystalline silicon layer. ... | 12/04/2007 |
| 7304798 | Spectroscopic apparatus A spectroscopic apparatus which is compact in size and performs high-precision light-splitting with a large angular dispersion. An optical input-processing section outputs a filtered transmitted light, using a bandpass filter that transmits only wavelength bands at ... | 12/04/2007 |
| 7301704 | Moveable micro-electromechanical device A MEMS device is provided. The MEMS device may include a first plate and a second plate defining a cavity with the first plate. The MEMS device may also include a first transducer configured to cause a first relative movement between the first and second plates and ... | 11/27/2007 |
| 7302189 | Optical component provided with demultiplexing function and wavelength dispersion compensator It is an object of the present invention to provide an optical component provided with a demultiplexing function capable of reducing an insertion loss and downsizing, and a wavelength dispersion compensator using such an optical component. In order to achieve the ob... | 11/27/2007 |
| 7297386 | Antireflection structure An antireflection structure (10) comprises a base (1), and a finely roughened antireflection part (2) formed in a surface of the base (1). The finely roughened antireflection part (2) includes a plurality of projections and depress... | 11/20/2007 |
| 7289264 | Passive broad long wave and mid-wave infrared optical limiting prism Method for limiting the amount of radiation impinging on a radiation sensitive detector (RSD) responsive to signals having infrared wavelengths of approximately 3 to 14 microns. Method includes: directing radiation signal through prism toward RSD; permitting radiati... | 10/30/2007 |
| 7286294 | Beam-shaping element for optical radiation and a method for producing said element A beam-shaping element comprises a carrier substrate (1) bearing a thin-layer metallization which is structured for shaping the beam of optical radiation. The thin-layer metallization includes at least two metallic layers (2, 3), which, upon impingemen... | 10/23/2007 |
| 7283571 | Method and system for performing wavelength locking of an optical transmission source A system for locking the operating wavelength of an optical transmission source, the system including: a pattern of nanostructures being optically coupled to the optical transmission source and adapted to perform notch filtering; at least one photodetector optically... | 10/16/2007 |
| 7267781 | Method of fabricating optical filters A method of fabricating optical filter is disclosed. The method includes providing the substrate and selectively etching the substrate to form a plurality of freestanding layers. A plurality of dielectric layers is disposed over an outer surface of each of the frees... | 09/11/2007 |
| 7262913 | Chromatic dispersion and dispersion slope compensating apparatus In a chromatic dispersion and dispersion slope compensating apparatus according to the present invention, a WDM light which has been angularly dispersed to a first direction by a VIPA plate, is angularly dispersed to a second direction vertical to the first directio... | 08/28/2007 |
| 7242136 | Front filter, and plasma display apparatus having the same The present invention relates to a front filter having a touch screen, and a plasma display apparatus having the same. The front filter installed on a front surface of a panel of a plasma display apparatus, the front filter including: a touch screen for generating a... | 07/10/2007 |
| 7236296 | Multilayer infrared reflecting film with high and smooth transmission in visible wavelength region and laminate articles made therefrom A multilayer film article is disclosed. The film includes an infrared light reflecting multilayer film having alternating layers of a first polymer type and a second polymer type and an infrared light absorbing or reflecting layer adjacent the multilayer film. The f... | 06/26/2007 |
| 7231111 | Tunable dispersion compensator A tunable dispersion compensator includes a collimating unit that collimates an incident light to output a parallel light, a parallel shifting unit that spatially shifts the parallel light from the collimating unit within a predetermined range, and an optical-path-l... | 06/12/2007 |
| 7221512 | Light control material for displaying color information, and images A light control material is provided for displaying color images having microstructures either on its surface or within the material which reflect a selected color and bandwidth of light in accordance with their physical characteristics. In an exemplary embodiment, ... | 05/22/2007 |
| 7218447 | Diamond-like carbon film and method for qualitatively transforming diamond-like carbon film A diamond-like carbon (DLC) film having refractive indices distributed in a pattern oriented within the plane of the film or on a bias with respect to the thickness of the film. Such films may be useful in low-cast Faraday rotators, in polarizers (analyzers), and in... | 05/15/2007 |
| 7209608 | Wavelength tunable optical filter Provided is a Fabry-Perot type wavelength tunable optical filter, comprising a first mirror; a second mirror located over the first mirror; a driving body located over the first mirror, and having both ends fixed to the first mirror through a spacer; a plurality of ... | 04/24/2007 |
| 7203001 | Optical retarders and related devices and systems In certain aspects, the disclosure relates to articles that include a plurality of walls configured to form a grating. Each of the plurality of walls can include a layer of a first material and a layer of a second material different from the first material. The arti... | 04/10/2007 |
| 7196758 | Method of alignment of liquid crystals comprising exposing an alignment material to an interference pattern A method includes exposing an alignment material to an interference pattern to cause a chemical reaction in the alignment material and exposing the alignment material to a liquid crystal, where the liquid crystal aligns relative to the alignment material based on th... | 03/27/2007 |
| 7193778 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion Various configurations of a virtually imaged phased array (VIPA) generator in combination with a mirror to compensate for chromatic dispersion. A VIPA generator produces a light traveling from the VIPA generator. In some embodiments, a variable curvature mirror is p... | 03/20/2007 |
