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US20090279172 MICROELECTROMECHANICAL LAMELLAR GRATING  
An optical instrument includes a grating. The grating includes a plurality of plates that form a single first plane. The instrument further includes a mirror surface positioned adjacent to the...
US20090268294 MOLDED PRODUCT AND METHOD FOR MANUFACTURING SAME  
A molded product having a phase separation structure formed by photopolymerization of a photopolymerizable composition and imparting a sharp diffraction spot at a high diffraction efficiency, and a...
US20090226134 OPTICAL ELEMENT AND SYSTEM USING THE SAME  
An optical element may include a first diffractive structure having a radially symmetric amplitude function and a second diffractive structure having a phase function. The second diffractive...
US20090225805 PHOTONIC CRYSTAL AND SURFACE EMITTING LASER USING SUCH PHOTONIC CRYSTAL  
A photonic crystal that can spatially control the resonance efficiency and reduce the leakage of light in transversal directions and a surface emitting laser that can be formed by using such a...
US20090214261 OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS  
An optical scanning device that scans a scanning surface with a light beam includes a light source that emits the light beam and a pre-deflector optical system that includes at least one...
US20090207715 Optical element, optical pickup device and optical information recording and reproducing apparatus  
An optical element for use in an optical pickup device to conduct reproducing and/or recording information for a first disk including a protective substrate by the use of a first light flux emitted...
US20090207467 Single Laser Illuminating and Pointing Systems  
Dual-function laser systems and methods are disclosed. In one implementation, an apparatus includes a laser source configured to emit a beam; an optical element spaced apart from the laser source;...
US20090201585 OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME  
An optical system includes a front lens group, a stop, and a rear lens group arranged successively in order from the object side toward the image side. The front lens group includes a solid...
US20090190221 Miniaturized Optical Tweezer Array  
Apparatus for forming a single or a plurality of threedimensional optical traps, the apparatus comprising: a. A collimated light source that is directed onto an array of focalizing refractive or...
US20090190094 Optical system for light flux transfer, and retinal scanning display using such an optical system  
The present invention provides an optical system that can reduce the occurrence of aberration, and a scanning retinal display that uses such an optical system. A first diffraction section and the...
US20090185274 OPTICAL DESIGNS FOR ZERO ORDER REDUCTION  
Apparatus for projecting a pattern includes a first diffractive optical element (DOE) configured to diffract an input beam so as to generate a first diffraction pattern on a first region of a...
US20090180187 System and method for using diffractive elements for changing the optical pathway  
An apparatus for adjusting an optical pathway, comprising a diffractive optics element configured for diffracting a plurality of light waves passing in the optical pathway, and a diffractive optics...
US20090174943 ILLUMINATION DEVICE, IMAGE DISPLAY DEVICE, AND PROJECTOR  
An illumination device includes: a light source unit that emits coherent light; and a diffractive optical element that diffracts the coherent light emitted from the light source unit and makes the...
US20090168205 COMPOSITE OPTICAL DEVICE  
A composite optical device 1 includes a first optical section 10 having an optical functional surface 11 and a second optical section 20 bonded to the first optical section 10 on the...
US20090160965 Image sensor having a diffractive optics element  
An apparatus for generating a color image that comprises an image sensor having a plurality of light-sensitive elements having a light sensing area, each light-sensitive element is configured for...
US20090147361 MICROREPLICATED FILMS HAVING DIFFRACTIVE FEATURES ON MACRO-SCALE FEATURES  
An optical film having a substrate and microreplicated features on a major surface of the substrate. The features include microreplicated macro-scale features and one or more microreplicated...
US20090141353 IMAGE DISPLAY BODY AND IMAGE FORMATION METHOD  
An image display body in which a decorative effect is obtained more effectively by an optical diffraction structure. In an image display body, an optical diffraction structure portion constituted...
US20090128873 LIGHT VALVE ASSEMBLY WITH A HOLOGRAPHIC OPTICAL ELEMENT AND A METHOD OF MAKING THE SAME  
A light valve assembly comprises a holographic optical element and a light valve that comprises an array of individually addressable pixels. The light valve assemblies can be fabricated on the die...
US20090109534 Multi-Segmented Aiming Diffractive Optical Elements  
A system having a light source generating a light beam, a collimating lens collimating the light beam into a collimated light beam and a pattern generating element comprising a diffractive optical...
US20090097122 Diffractive Optical Device and System  
An optical relay device for transmitting light striking the optical relay device at a plurality of angles within a field-of-view is provided. The device comprises a light-transmissive substrate, an...
US20090097119 DIFFRACTION MICRO FLOW STRUCTURE AND OPTICAL TWEEZERS USING THE SAME  
A diffraction micro flow structure and optical tweezers using the same are provided. The diffraction micro flow structure comprises a substrate and a diffraction part. The substrate comprises at...
US20090091833 Method For Producing Defect-Free Light Guiding Elements Of Great Widths, Production Device And Diffractive Light Guiding Element  
A process for producing a diffractive light guiding element by a continuous, single-stage reel-to-reel method, an apparatus suitable for carrying out the process and a light guiding element...
US20090080075 OPTICAL FILTER WITH MOTH-EYE GRATING STRUCTURE  
An optical element includes a transparent substrate, a filter film, and an moth-eye grating structure. The filter film and the moth-eye grating structure are formed on two facing away surfaces of...
US20090052038 Apparatus and method for changing optical tweezers  
An apparatus and a method for changing optical tweezers are provided. The apparatus includes a diffractive optical element (DOE), a mask unit and an objective lens. The DOE includes a plurality of...
US20090051927 OPTICAL SCATTERING DISK, USE THEREOF, AND WAVEFRONT MEASURING APPARATUS  
Optical scattering disk, use and wavefront measuring apparatus. The optical scattering disk includes a transparent substrate ( 1 ) and a light scattering layer ( 2 ) adjoining a surface of the...
US20090051772 ESTABLISHING AND MAINTAINING FOCUS IN SEGMENTED-OPTIC TELESCOPES  
A multi-aperture interferometric optical system collects light propagating from a source of light and develops overlapping diffraction patterns on an optical detector that produces output signals...
US20090040613 In-Plane Optical Metrology  
A structure that is located adjacent to a measurement target on a substrate is used to convert incident radiation from an optical metrology device to be in-plane with the measurement target. The...
US20090034035 APPARATUS AND METHOD TO OPTIMIZE THE PERFORMANCE OF A HOLOGRAPHIC DATA STORAGE SYSTEM  
A method is disclosed to optimize the performance of a holographic data storage system, where that holographic data storage system comprises a plurality of calibratable components, and where each...
US20090032692 Apparatus of generating an optical tweezers with momentum and method thereof and photo-image for guiding particles  
An apparatus of generating an optical tweezers with momentum and method thereof and an optical tweezers photo-image for guiding particles are provided. The apparatus generates at least one optical...
US20090021832 Wideband Diffraction Limited Optical Receiver  
Systems and methods are provided for providing wideband diffraction limited performance in an optical receiver. A first lens is constructed from a first material and has a first surface and a...
US20090014670 OPTICAL CAVITY SYSTEM HAVING AN ORTHOGONAL INPUT  
An optical system having a closed loop light path with a source for providing light in a direction parallel to the normal of an input to the light path. The light may be provided via a diffracting...
US20090009868 DIFFRACTION GRATING RECORDING MEDIUM  
A diffraction grating recording medium including a waveguide layer and a grating structure layer is provided. The waveguide layer has a reflective surface and a light incident surface, in which a...
US20090009838 DIFFRACTION OPTICAL ELEMENT, LIGHT BEAM DETECTION DEVICE, OPTICAL SCANNER AND IMAGE FORMING APPARATUS  
An optical element for diffracting a light beam includes a diffractive surface having a one-dimensional periodic structure. The periodic structure and transmissive diffraction efficiencies T′p(m)...
US20090008925 SECURITY DEVICE FOR THE IDENTIFICATION OR AUTHENTICATION OF GOODS AND METHOD FOR SECURING GOODS USING SUCH A SECURITY DEVICE  
A security device for the identification or authentication of goods is described. It comprises a stochastic pattern comprising structures having an average lateral structure size d and arranged...
US20080310023 Method of making an optical system  
A diffractive optical element (DOE) corrector for use with three different wavelengths includes a first diffractive element on a first surface of a first material, the first diffractive element...
US20080304155 OPTICAL ELEMENT, METHOD FOR PRODUCING SAME, REPLICA SUBSTRATE CONFIGURED TO FORM OPTICAL ELEMENT, AND METHOD FOR PRODUCING REPLICA SUBSTRATE  
An optical element includes a base and many structures arranged at a fine pitch on a surface of the base, each of the structures being in the form of a projection or a depression, in which the...
US20080304123 TWO DIMENSIONAL OPTICAL SCANNING IMAGE SYSTEM  
An ultra high speed miniature two dimensional electro-optic image acquisition system uses prisms of varying geometries to control the amount of horizontal deflection and a Bragg grating to control...
US20080291546 ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME  
A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power configured not to move for zooming, a second lens unit having a negative...
US20080278790 APPARATUS WITH ENHANCED RESOLUTION FOR MEASURING STRUCTURES ON A SUBSTRATE FOR SEMICONDUCTOR MANUFACTURE AND USE OF APERTURES IN A MEASURING APPARATUS  
A measuring system is disclosed with enhanced resolution for periodic structures on a substrate for semiconductor manufacture. Aperture structures of varying geometries are provided in the...
US20080273244 Wide field compact imaging catadioptric spectrometer  
An imaging catadioptric spectrometer using a Mangin type lens and pupil lens adjacent to a grating. Electromagnetic radiation received by aperture slits is directed to a reflective portion of a...
US20080273167 SURFACE RELIEF DIFFRACTIVE OPTICAL ELEMENTS PROVIDING REDUCED OPTICAL LOSSES IN ELECTRO-ACTIVE LENSES COMPRISING LIQUID CRYSTALLINE MATERIALS  
An electro-active lens has a first substrate with a surface relief diffractive topological profile and a second substrate positioned opposite to the first substrate having a substantially smooth...
US20080247167 DIFFRACTION OPTICAL ELEMENT, LIGHTING DEVICE, AND PROJECTOR  
A diffraction optical element includes: a first diffraction pattern which diffracts entering light to produce illumination light for illuminating a first area; and a second diffraction pattern...
US20080239520 Optical module having the light incident surface of a lens inclined on a substrate and a method of manufacturing the same  
An optical module having a substrate which includes a light-emitting device mounting area provided on its first principal surface, a lens mounting groove with a cross section of V shape, and a...
US20080239269 Laser beam formatting module and method for fabricating semiconductor dies using same  
According to one exemplary embodiment, a laser beam formatting module for use in a lithographic system to fabricate a semiconductor wafer comprises an aperture plate having, for example, a circular...
US20080231840 Methods and Apparatus For Measuring Wavefronts and For Determining Scattered Light, and Related Devices and Manufacturing Methods  
Methods and apparatus for measuring wavefronts and for determining scattered light, and related devices and manufacturing methods. 2.1. The invention relates to a method and apparatus for spatially...
US20080225391 Zero-order diffractive filter  
A Zero-order diffractive filter comprising a first layer ( 1 ) with a periodic diffractive microstructure, forming a waveguide, and at least one adjacent second layer ( 2, 4, 5 ), wherein said...
US20080225390 Optical microstructure plate and fabrication mold thereof  
An optical microstructure plate and mold for fabricating the same is disclosed. The optical microstructure plate comprises a substrate. An optical microstructure element is formed on the substrate....
US20080225361 Light Source Device, and Two-Dimensional Image Display Device  
There is provided a light source device which can miniaturize a two-dimensional image display device as small as possible. The light source device is provided with three coherent light sources ( 11...
US20080212185 Laser Optical Device  
In a laser optical device including a beam shaping optical system 3 for shaping a laser beam 2 into a predetermined cross-sectional intensity distribution and converging the light and an image...
US20080212105 APPARATUSES AND METHODS FOR EVALUATING PERFORMANCE OF OPTICAL SYSTEMS  
A system for evaluation of optical quality of an optical device includes a light source configured to generate light, the generated light be received by an optical device. An interferometric lens...
Matches 1 - 50 out of 61 1 2 >