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7583433 Multi mirror system for an illumination system  
There is provided a multi-mirror-system for an illumination system, especially for lithography with wavelengths ≦193 nm. The system includes light rays traveling along a light oath from an object...
7553035 Method and apparatus for constructing a perfect trough parabolic reflector  
A coordinate system defines the length of the curve of a parabola used in constructing a parabolic trough reflector. The origin ( 0,0 ) of the coordinate system is at the bottom center of the...
7545446 Offner relay for projection system  
A projection system includes a modulator and an Offner relay. The modulator is to modulate light in accordance with sub-frames of a frame of image data. The Offner relay is to differently aim, in...
7515226 Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same  
The present invention provides a reflector having a light-diffusing property which suppresses inter-object reflection over a wide angle, and giving particularly high reflectance in an intended...
7513630 Compact dual ellipsoidal reflector (DER) system having two molded ellipsoidal modules such that a radiation receiving module reflects a portion of rays to an opening in the other module  
A compact dual ellipsoidal reflector (DER) system for illuminating a target with rays of electromagnetic radiation comprises first and second molded module. The first molded module has at least a...
7508580 8-mirror microlithography projection objective  
A projection objective provides a light path for a light bundle from an object field in an object plane to an image field in an image plane. The projection objective includes a first mirror (S 1 ),...
7503661 Projection optical system  
In a projection optical system for obliquely performing enlargement projection of an image formed on a display device surface onto a screen surface, a plurality of reflective surfaces are provided,...
7492454 Achromatic and absorption reducing light collecting system, particularly adapted to optical spectrometric analysis  
This system collects light emitted by at least one light source ( 52 ) and focuses it onto at least one light detection device ( 54 ). Preferably, it comprises a first mirror ( 58 ) that collects...
7481544 Grazing incidence relays  
Optical relays having three or more reflector portions to allow efficient grazing angle reflections with a relatively high acceptance of light are described. Light collected by the relay can be...
7436589 Reflective-type projection optical system and exposure apparatus equipped with said reflective-type projection optical system  
A reflective-type projection optical system has 8 reflective mirrors that form a reduced image of a first surface on a second surface. A first reflective imaging optical system (G 1 ) forms an...
7405871 Efficient EUV collector designs  
A collector that includes a laser produced plasma (LPP) extreme ultra violet (EUV) light source and a first optical path from the source to a mirror. The mirror is the first mirror that light...
7401928 Scanning display optical system  
A display optical system includes a light-source unit, a first optical unit which collects a light beam from the light-source unit, a scanning member which scans the light beam from the first...
7397615 Directing electromagnetic energy from an area or volume source  
An eye mirror in which a first defining ray 5 is reflected from a further defined mirror 2 and intersects a fixed defined unit 75 at a respective further point 8 within a circular cone 91 ...
7390101 Off-axis two-mirror re-imaging infrared telescope  
An infrared telescope utilizes two mirrors in an off-axis, eccentric-pupil, re-imaging configuration. To improve the image quality of traditional two mirror telescopes, the reflective surfaces of...
7367687 Illumination system  
An illumination system is for providing a parallel illumination light beam. The illumination system includes two lamps, and each lamp includes a first lampshade, a burner and a reflector. The...
7360906 Projection optical system unit and projection-type image display apparatus using the same  
A projection optical system unit has a lower pedestal. The lower pedestal has first and second tubular portions opened to each other. An image formation device holding plate for a DMD is mounted on...
7354167 Beam focusing and scanning system using micromirror array lens  
A beam focusing and scanning system using a micromirror array lens (optical system) includes a light source configured to emit light and a micromirror array lens, including at least one...
7317583 High numerical aperture projection system and method for microlithography  
The present invention relates to a high numerical aperture exposure system having a wafer. The exposure system in the present invention includes a beam-splitter, a reticle, a reticle optical group,...
7297898 Laser processing machine  
In a laser processing machine for processing workpieces using a laser beam ( 2 ), a telescope ( 1 ) for widening the laser beam ( 2 ) comprises an ellipsoidal mirror ( 3 ) and a paraboloidal mirror...
7232233 Catoptric reduction projection optical system and exposure apparatus using the same  
A catoptric reduction projection optical system that uses light of light with a wavelength of 200 nm or less includes six light-reflecting mirrors arranged from an object side to an image side such...
7216065 Reflecting surface design system, reflecting surface design method, recording medium, and computer program  
A reflecting surface design system ( 50 ) has (1) first rendering means ( 54 ) for displaying a free-form surface ( 20 ) on which a plurality of segments ( 24 ), each of which is defined by a...
7215474 Method and apparatus for combining optical beams  
According to one aspect of the present invention, an apparatus for optically combining light beams is disclosed. The apparatus includes a set of prism shaped doorways configured to receive output...
7209286 Objective with pupil obscuration  
In accordance with the present invention, a projection exposure apparatus includes an illuminating system to illuminate a drivable micromirror array and an objective which projects the drivable...
7192173 Optical throughput condenser  
An optical throughput condenser re-concentrates light thereby causing light which otherwise would be wasted outside of the useful AΩ product, also known as optical throughput, of an illuminating...
7130114 Catoptric optical system  
There is provided a compact, strong and high-performance catoptric optical system. This catoptric optical system has plural optical curved reflective surfaces. A gap between a pair of reflective...
7123324 Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same  
The present invention provides a reflector having a light-diffusing property which suppresses inter-object reflection over a wide angle, and giving particularly high reflectance in an intended...
7090362 Facet mirror having a number of mirror facets  
In a facet mirror with a number of mirror facets, wherein the mirror facets are provided with reflecting surfaces, the mirror facets are mounted jointly in a basic body via bearing devices. The...
7086742 Projection optical system  
A projection optical system is disclosed with which undistorted images can be obtained at any image position within a specification range, and whose projection angle can be changed. The projection...
7080912 High-resolution, all-reflective imaging spectrometer  
An imaging spectrometer includes an all-reflective objective module that receives an image input and produces an objective module output at an exit slit, and an all-reflective...
7055967 Illumination systems employing corrective optics for use in reduced étendue color video projection systems  
An illumination system is provided with at least a first arc lamp positioned on the first axis of a first reflecting device. An aspherical corrector plate is positioned to receive the light rays...
7001031 Image-forming optical system, projection type image display apparatus and image pickup apparatus  
The present invention discloses an image-forming optical system provided with a plurality of curved mirrors whereby two points at different distances are made to have an optically conjugate...
6991338 Projection optical system, projection type image display apparatus, and image display system  
A projection optical system having a plurality of reflecting surfaces is disclosed in which a sufficiently large angle is provided between an incident side reference axis and an emerging side...
6984044 Projection optical system, projection type image display apparatus, and image display system  
A projection optical system which can project a bright image with less distortion and a small projection distance without causing aberration or an increase in size of reflective surfaces is...
6953252 Projector having a plurality of retro-reflectors  
A projector having a plurality of retro-reflectors. In one embodiment of the present invention, a projector includes a light source, an image forming device, a concave reflector, and a plurality of...
6929373 Reflection optical device and imaging apparatus comprising it, multi-wavelength imaging apparatus, and vehicle mounted monitor  
Reflection surfaces ( 2, 3 ) and a diaphragm ( 1 ) for limiting light fluxes disposed between an object and the reflection surface ( 2 ) that is located closest to the object are provided. At least...
6922291 Catoptric projection optical system and exposure apparatus  
A catoptric projection optical system for projecting a reduced size of a pattern on an object surface onto an image surface and for serving as an imaging system that forms an intermediate image...
6911110 Thermally controlled solar reflector facet with heat recovery  
A high concentration central receiver system and method provides improved reflectors and a unique heat removal system. The central receiver has a plurality of interconnected reflectors coupled to a...
6908200 Reflection optical device, and reflection solid-state optical device, imaging device comprising this, multiwavelength imaging device, video camera, and monitoring device mounted on vehicle  
Two reflection surfaces that are a first reflection surface ( 2 ) and a second reflection surface ( 3 ), each in a non-axisymmetric form, are disposed in the stated order in a direction in which...
6896382 Reflective optical device, and reflective solid-state optical device, and imaging device, multi-wavelength imaging device, video camera device, and vehicle-mounted monitor utilizing the same  
Two reflection surfaces that are a first reflection surface ( 2 ) and a second reflection surface ( 3 ), each in a non-axisymmetric form, are disposed in the stated order in a direction in which...
6894818 Conformal all-reflective beam-steering (CARBS) device  
A conformed all-reflective beam-steering (CARBS) device is provided which is a hybrid of a mirror and one-axis gimbal assembly mounted on a rotating carriage. The CARBS device functions as a...
6894263 Image reading imaging optical system and image reading apparatus using the same  
An image reading imaging optical system for imaging image information on a line sensor and reading the image information has an imaging optical element including a plurality of off-axial reflecting...
6890081 Optical element and optical system having the same  
An optical element formed from a transparent optical material includes two refraction surfaces, a first reflection surface group having a plurality of internal reflection surfaces arrayed in a...
6886953 High-resolution, all-reflective imaging spectrometer  
An imaging spectrometer includes an all-reflective objective module that receives an image input and produces an objective module output at an exit slit, and an all-reflective...
6863410 Reflector which exhibits good reflectance over wide angle range and liquid crystal display using the same  
Light-reflective concave portions are disposed on the surface of a substrate. The concave portions have a first and second vertical section perpendicular to each other. The first vertical section...
6862146 Afocal optical rearview mirror assembly  
The invention comprises an afocal lens and mirror assembly comprising an objective lens which gathers light from an object and a field lens which transmits light to a driver's eye to provide an...
6859263 Apparatus for generating partially coherent radiation  
Techniques for generating partially coherent radiation and particularly for converting effectively coherent radiation from a synchrotron to partially coherent EUV radiation suitable for projection...
6851804 Readjustable optical elements  
The invention relates to optical elements whose optical properties can be repeatedly adjusted over time. Through the use of modifying compositions capable of stimulus induced polymerization coupled...
6840640 Multi mirror system for an illumination system  
There is provided a multi-mirror system for an illumination system with wavelengths ≦193 nm. The multi-mirror system includes (a) an imaging system having a first mirror and a second mirror, (b)...
6839095 Single-path color video projection systems employing reflective liquid crystal display devices  
A multimedia projector ( 100 ) includes a single-path frame-sequential color optical system in which light rays emitted by a light source ( 14 ) propagate through a color wheel ( 102 ) and an...
6811271 Electromagnetic wave focusing device  
The electromagnetic wave focusing device has a mirror group consisting of a focal-line type primary reflective mirror and secondary reflective mirror which have a unique parabolic cross-sectional...
Matches 1 - 50 out of 283 1 2 3 4 5 6 >