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7442734 Coating composition and optical article  
There is provided a coating composition which can be applied to a substrate such as a plastic lens so as to form a photochromic coating layer having good photochromic properties and excellent...
7431984 Hybrid lens using translucent ceramic  
A hybrid lens ( 3 ) has a structure in which a resin layer ( 2 ) composed of an ultraviolet curable resin is formed on the surface of a lens base material ( 1 ) composed of translucent ceramic. The...
7423805 Ultra-broadband UV microscope imaging system with wide range zoom capability  
An ultra-broadband ultraviolet (UV) catadioptric imaging microscope system with wide-range zoom capability. The microscope system, which comprises a catadioptric lens group and a zooming tube lens...
7400445 Optical filters for accelerated weathering devices  
Optical filters comprising a small concentration of visible light absorbing components optionally in combination with small concentrations of ultraviolet and infared absorbing components suitable...
7382526 Optical system  
An optical system projecting onto an image plane an object that is disposed at infinity by an intermediate image. The optical system includes a front group and a relay optic, each including a...
7369303 Dual band lens system incorporating molded chalcogenide  
An image forming system and lens system including at least one molded chalcogenide lens element and configured to simultaneously image light at the medium wave infrared region (MWIR) and the long...
7365909 Fabrication methods for micro compounds optics  
Methods for fabricating refractive element(s) and aligning the elements in a compound optic, typically to a zone plate element. The techniques are used for fabricating micro refractive, such as...
7307783 Catadioptric imaging system employing immersion liquid for use in broad band microscopy  
A reduced size catadioptric inspection system employing a catadioptric objective and immersion substance is disclosed. The objective may be employed with light energy having a wavelength in the...
7292388 Lens made of a crystalline material  
As a preliminary stage in manufacturing a lens or lens part for an objective, in particular a projection objective for a microlithography projection system, an optical blank is made from a crystal...
7280273 Method and system for simultaneously imaging in the near infrared and short wave infrared spectrums  
An image forming system and lens system configured to simultaneously image light at the short wave infrared region (SWIR) and the near infrared region (NIR).
7262920 Optical element and manufacturing method therefor  
An optical element and a manufacturing method therefor, an exposure apparatus, and a device manufacturing method that can reduce the effect of intrinsic birefringence under high NA conditions....
7256932 Optical system for ultraviolet light  
An optical system for ultraviolet light having wavelengths λ≦200 nm, which may be designed in particular as a catadioptric projection objective for microlithography, has a plurality of optical...
7239447 Objective with crystal lenses  
An objective, in particular a projection objective for a microlithography projection-exposure installation, with at least one fluoride crystal lens is disclosed. A reduction in the detrimental...
7224540 Extended depth of field imaging system using chromatic aberration  
An imaging system (FIG. 3 ) is disclosed that has a wavelength dependent focal shift caused by longitudinal chromatic aberration in a lens assembly ( 203 ) that provides extended depth of field...
7193784 Nitride microlens  
Microlenses and microlens arrays made from Group III-nitride material.
7180658 High performance catadioptric imaging system  
A reduced size catadioptric objective and system is disclosed. The objective may be employed with light energy having a wavelength in the range of approximately 190 nanometers through the infrared...
7161744 Objective lens and optical pickup apparatus  
An objective lens for converging a monochromatic light flux having a specific wavelength in a range of 350 to 450 nm on an optical information recording medium while the objective lens is placed...
7119969 Pixel matched camera optics  
An optical system and method comprising acquiring radiation in a plurality of spectral bands, each acquired by a discrete collector, receiving the acquired radiation in one or more of the spectral...
7092150 Optically compensated infrared zoom lens having a single movable lens carriage and no aspheric lenses  
An infrared zoom lens having no aspheric lens elements comprises, six distinct lens groups each having two or less spherical lens elements. The first group has a positive power, the second group...
7088503 Method for making an achromatic lens for millimeter-wave and infrared bands  
The present invention relates to a method for making an achromatic lens. The invention provides a method for making a lens that makes use of the differences in the index of refraction of ZnSe and...
7075721 Compensator for radially symmetric birefringence  
A birefringence correction is incorporated into an optical imaging system for imaging with deep ultraviolet light. Optical elements which exhibit an intrinsic birefringence with deep ultraviolet...
7050223 DUV-capable microscope objective with parfocal IR focus  
A DUV-capable dry objective for microscopes comprises lens groups made of quartz glass, fluorite, and in some cases also lithium fluoride. It possesses a DUV focus for a DUV wavelength region λ...
7042648 Objective lens  
An objective lens includes a diffractive optical element constructed of a medium having an internal transmittance of at least 50% at a wavelength of 300 nm when the thickness is 10 mm and a...
7042646 Infrared device having an optical power limiter with improved optical gain  
An infrared device in accordance with the present invention includes an optical train for receiving incident radiation into the device, a focal plane array for receiving the incident radiation from...
7029758 Melanin polyvinyl alcohol plastic laminates for optical applications  
The present invention relates to the use of water soluble melanin in solid plastic films of polyvinyl alcohol to be used in conjunction with other plastics to make laminated sheets or lenses. Such...
7019910 Inspection microscope and objective for an inspection microscope  
An inspection microscope ( 1 ) having a light source ( 3 ) that emits light of a first wavelength below 400 nm for illumination of a specimen ( 13 ) to be inspected, and having an objective ( 11 )...
7009769 Correction of birefringence in cubic crystalline optical systems  
A photolithography tool including an optical system for transmitting a beam of radiation toward a substrate is presented. The optical system includes a plurality of calcium fluoride lens elements,...
7006284 Apparatus for viewing and analyzing ultraviolet beams  
An imaging apparatus for DUV beams is provided which includes a lens for receiving a DUV beam and producing an image of the DUV beam, wherein the lens has an aplanatic surface and a hemispheric...
6985286 Catadioptric optical system and exposure apparatus having the same  
A projection exposure lens system has an object side catadioptric system, and intermediate image and a refractive lens system. The refractive lens system from its intermediate image side and in the...
6984058 Optical filters comprising opacified portion  
The invention relates to optical filters comprising an opacified portion. The optical filters are preferably suitable for use in illuminators for weathering devices.
6980358 Turning prism for ultraviolet radiation  
A truncated triangular prism has an entrance and an exit face perpendicular to each other and a reflecting face inclined at an angle α to the entrance face where α is about 135°−θ B , and...
6956694 Broad spectrum ultraviolet inspection systems employing catadioptric imaging  
An ultraviolet (UV) catadioptric imaging system, with broad spectrum correction of primary and residual, longitudinal and lateral, chromatic aberrations for wavelengths extending into the deep UV...
6946416 Fused silica having improved index homogeneity  
Fused silica articles exhibiting improved internal transmission and decreased absorption change when irradiated with a laser when compared with fused silica articles containing lower levels of...
6946199 Optical, additional films and optical elements  
A monolayer or multilayer film has a single layer or multiple layers of silica containing fluorine. An optical element has the forgoing film laid on a surface of a substrate. A concentration of the...
6917472 Achromatic fresnel optics for ultraviolet and x-ray radiation  
An achromatic Fresnel optic that combines a Fresnel zone plate and a refractive Fresnel lens. The zone plate provides high resolution for imaging and focusing, while the refractive lens takes...
6914723 Reflective lithography mask inspection tool based on achromatic Fresnel optics  
A mask blank inspection tool includes an AFO having a diffractive lens and a refractive lens formed on a common substrate. The diffractive lens is a Fresnel zone plate and the refractive lens is a...
6906857 Optical filters for manipulating spectral power distribution in accelerated weathering devices  
The present disclosure is directed to an optical filter that advantageously approximates sunlight that is both durable and stable for long periods of time when subject to harsh light intensity,...
6885503 Achromatic fresnel optics based lithography for short wavelength electromagnetic radiations  
A lithography apparatus having achromatic Fresnel objective (AFO) that combines a Fresnel zone plate and a refractive Fresnel lens. The zone plate provides high resolution for imaging and focusing,...
6863842 Ceramic optical components and production method therefor  
An optical component formed of a material that blocks noise-causing visible and near-infrared rays selectively or as a whole while transmitting far-infrared rays to the extent possible, and a...
6863403 Deep ultraviolet unit-magnification projection optical system and projection exposure apparatus  
A 1X projection optical system for deep ultra-violet (DUV) photolithography is disclosed. The optical system is a modified Dyson system capable of imaging a relatively large field at high numerical...
6859311 Digital micromirror device having a window transparent to ultraviolet (UV) light  
A UV-transmissable window assembly for a DMD device includes a UV-transmissable glass window provided in a frame. The window and frame are bonded together to preferably effect a hermetic seal...
6859309 Optical filters for manipulating spectral power distribution in accelerated weathering devices  
The present disclosure is directed to an optical filter that advantageously approximates sunlight that is both durable and stable for long periods of time when subject to harsh light intensity,...
6844972 Reducing aberration in optical systems comprising cubic crystalline optical elements  
An optical system includes multiple cubic crystalline optical elements and one or more polarization rotators in which the crystal lattices of the cubic crystalline optical elements are oriented...
6835683 Quartz glass member and projection aligner  
A silica glass member of the present invention is one wherein when a composition thereof is expressed by SiO x , x is not less than 1.85 nor more than 1.95, wherein a concentration of hydrogen...
6833949 Film coated optical lithography elements and method of making  
The invention provides coated optical lithography elements and methods of coating optical elements, and particularly optical photolithography elements for use in below 240 nm optical...
6831790 Optical element, method for producing the same, and optical pickup  
An optical element having a substrate formed by an optical material and able to improve mechanical strength, wherein the substrate has a convex part functioning as a convex lens, a flat part...
6825975 Light filters using the oxidative polymerization product of 3-Hydroxykynurenine (3-OHKyn)  
The present invention is directed to a transparent medium incorporating the oxidative polymerization of 3-hydroxykynurenine, a synthetic version of the yellow-to-brown pigment that occurs in the...
6824277 Optical beam guidance system and method for preventing contamination of optical components contained therein  
A method for reducing the contamination of at least one optical component ( 2, 3 ) contained in the beam guidance space ( 6 ) and held by a frame ( 4, 5 ) defining the beam guidance space and a...
6813092 Zoom lens apparatus  
In the zoom lens apparatus, a lens frame for a variable-magnification lens or a correcting lens is configured of an inner frame and an outer frame, and any focus blurring due to variations in...
6801358 Broad band deep ultraviolet/vacuum ultraviolet catadioptric imaging system  
A design for inspecting specimens, such as photomasks, for unwanted particles and features such as pattern defects is provided. The system provides no central obscuration, an external pupil for...
Matches 1 - 50 out of 233 1 2 3 4 5 >