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| Number | Title | Issue Date |
| 7916391 | Apparatus for providing a pattern of polarization A polarization pattern assembly for use in an illuminator and an apparatus for providing at least one polarization pattern in a pupil of an illuminator for a lithography system are provided. A polarization pattern assembly for use in an illuminator having a pupil in... | 03/29/2011 |
| 7911696 | Large scale polarizer and polarizer system employing it A large scale polarizer having one or more quartz substrate parts formed as a rectangle, a triangle, or a parallelogram, and a polarizer holder supporting the quartz substrate part. The polarizer holder may be in a lattice structure holding a plurality of quartz sub... | 03/22/2011 |
| 7859751 | Compact apparatus for reading from and/or writing to holographic storage media A compact apparatus for reading from and/or writing to holographic storage media and polarizing filter for use in such an apparatus includes a substrate with an outer zone and an inner zone, the outer zone and the inner zone having different optical properties for a... | 12/28/2010 |
| 7764426 | System and method for producing a light beam with spatially varying polarization An apparatus for providing a light beam with spatially varying polarization. The apparatus includes: two circumferentially curved reflectors positioned substantially opposite each other, a polarizer positioned in an optical path between the two reflectors, for polar... | 07/27/2010 |
| 7760431 | Method of and apparatus for modifying polarity of light A method of modifying polarity of light is provided. The light propagates through a first transverse plane and has known polarization states in respective cells of the first transverse plane. A first retardation compensator having respective waveplates matching the ... | 07/20/2010 |
| 7755833 | Correcting device to compensate for polarization distribution perturbations A corrective device for compensating disturbances of polarization distribution across the cross section of a light beam (10). The corrective device includes a corrective member (18; 118) encompassing two double refractive corrective elements (20, 22... | 07/13/2010 |
| 7715099 | Optical birefringence coronagraph Systems and methods for attenuating light from undesired sources in a coronagraph apparatus are provided. The coronagraph includes a first imaging lens that receives light representing a desired image and an undesired central image and a reimaging system that mitiga... | 05/11/2010 |
| 7656581 | Transparent and polarizing viewing element having a zone associated with an obliquely oriented polarizing filter The invention concerns a transparent and polarizing viewing element (2) divided into several zones (2a, 2b). At least one of the zones (2a) is associated with a light polarizing filter. The light passing through the o... | 02/02/2010 |
| 7548370 | Layered structure for a tile wave plate assembly The present invention relates to an apparatus for polarizing an incident light beam. In embodiments, a tile wave plate assembly is provided. The tile wave plate includes a layered structure having a substrate plate and two layers of mosaic tiles. The layers of the a... | 06/16/2009 |
| 7535640 | Imaging system for emulation of a high aperture scanning system An optical imaging system for inspection microscopes with which lithography masks can be checked for defects particularly through emulation of high-aperture scanner systems is provided. The imaging system for emulating high-aperture scanner systems includes imaging ... | 05/19/2009 |
| 7511886 | Optical beam transformation system and illumination system comprising an optical beam transformation system An optical beam transformation system has a sequence of optical elements arranged along an optical axis of the optical beam transformation system and designed for transforming an entrance light distribution striking an entrance surface of the optical beam transforma... | 03/31/2009 |
| 7414786 | System and method converting the polarization state of an optical beam into an inhomogeneously polarized state A system for converting the polarization state of an optical beam which propagates along a path from an initial polarization state into an inhomogeneous polarization state includes a first isotropic material and a first anisotropic material. The first anisotropic ma... | 08/19/2008 |
| 7375887 | Method and apparatus for correcting a visible light beam using a wire-grid polarizer An optical system and method for providing a visible light beam with a desired characteristic includes a visible light source producing a visible light beam defining an optical train. An optical element is disposed in the optical train to create a modified beam, and... | 05/20/2008 |
| 7375888 | Optical component An optical component contains two or more hidden images for authentication and antiforgery purposes. The images are successively revealed and concealed when the optical component is held between two polarisers and one of them is rotated. The optical component compri... | 05/20/2008 |
| 7369294 | Ornamental display device An ornamental display device having an interferometric modulator for displaying an ornamental image. The ornamental device may have a patterned diffuser formed on a transparent substrate to provide an ornamental image. The ornamental device may also be a piece of je... | 05/06/2008 |
| 7324280 | Apparatus for providing a pattern of polarization A polarization pattern assembly produces a polarization pattern. In an embodiment, a polarization pattern assembly includes a frame that supports a polarization pane in a central region of the frame. The polarization pane changes the polarization direction of light ... | 01/29/2008 |
| 7312852 | Polarized radiation in lithographic apparatus and device manufacturing method A lithographic apparatus uses polarized light to improve the imaging properties, such as exposure latitude, while maintaining and extending the lifetime of an illumination system in the lithographic apparatus. ... | 12/25/2007 |
| 7298940 | Illumination system and display system employing same A compact, light weight, efficient and cost-effective illumination system for optical displays is disclosed. The illumination system is capable of producing a self-luminous light beam of selected cross-section and spatial distribution in terms of intensity and angle... | 11/20/2007 |
| 7297393 | Optical film Birefringent optical films have a Brewster angle (the angle at which reflectance of p-polarized light goes to zero) which is very large or is nonexistent. This allows for the construction of multilayer mirrors and polarizers whose reflectivity for p-polarized light ... | 11/20/2007 |
| 7269307 | Optical configuration for generating polarization conversion The present invention presents a method to enhance polarization conversion reflection from an anisotropic thin film. The total reflection effect or the high reflection at the interface of an anisotropic thin film leads to enhanced polarization conversion. Polarizati... | 09/11/2007 |
| 7265834 | Polarization analyzer A thin polarizer array and a wavelength plate array that are composed of micro regions having different optical axis directions and wavelength characteristics and having a high extinction ratio and a low insertion loss, and a polarization analyzer using them. An arr... | 09/04/2007 |
| 7256937 | Structured polarizer and method for making the same A structured polarizer (linear polarizing filter) with side-by-side in a plane (lateral) regions having different polarization directions, complete extinction and complete transparency, is presented with two superpositioned planes (polarizers) with a polarizer whose... | 08/14/2007 |
| 7247356 | Privacy screen for a display A privacy screen for a display (e.g., a LCD) includes having a polarizing film and a birefringent film is described. The privacy screen transmits substantial amounts of light emanating from the display in an orthogonal (or near-orthogonal) direction while not transm... | 07/24/2007 |
| 7236301 | Polarized light valve A projection system for making an object appear and disappear to an observer on cue. The system remotely activates a reflective axis and a transmissive axis within a polarized window for making an object on cue appear and disappear. In one aspect, this system contai... | 06/26/2007 |
| 7221501 | Stationary and dynamic radial transverse electric polarizer for high numerical aperture systems A radial transverse electric polarizer device is provided. The device includes a first layer of material having a first refractive index, a second layer of material having a second refractive index, and a plurality of elongated elements azimuthally and periodically ... | 05/22/2007 |
| 7221508 | Reflex-type screen The reflex-type screen includes an aluminum film reflecting layer for reflecting incident light, a lower adhesive layer which is made of adhesive agent, a polarization layer for transmitting the polarized light, a upper adhesive layer which is made of adhesive agent... | 05/22/2007 |
| 7206071 | Detector configurations for optical metrology An apparatus is disclosed for obtaining ellipsometric measurements from a sample. A probe beam is focused onto the sample to create a spread of angles of incidence. The beam is passed through a quarter waveplate retarder and a polarizer. The reflected beam is measur... | 04/17/2007 |
| 7192425 | Laser treatment apparatus A laser treatment apparatus comprises: an optical guiding body which guides a treatment laser beam omitted from a laser source; an irradiation optical system for irradiating the treatment beam guided by the optical guiding body; a first beam splitter placed in the i... | 03/20/2007 |
| 7186968 | Polarization sensitive solid state image sensor including integrated photodetector and polarizing assembly and associated methods A polarization sensitive solid state image sensor includes an integrated photodetector and polarizing assembly. The polarizing assembly is formed directly on an upper dielectric surface of the photodetector as a metal grid. The integral form of the device improves p... | 03/06/2007 |
| 7185984 | Illumination optical system and projector comprising the same Brightness of optical equipment can be adjusted as required. An illumination optical system includes a light source, a lens array composed of a plurality of lenses for splitting light emitted from the light source into a plurality of sub-beams, and a polarization co... | 03/06/2007 |
| 7187442 | Polarized optical probes A variably-polarizing optical probe assembly. The assembly includes an optical probe having one or more optical light delivery channels that emit incident light from the sample end of the probe toward a sample being investigated, and one or more optical light-receiv... | 03/06/2007 |
| 7184387 | Optical scanning device An optical scanning device for scanning an optical record carrier comprising an information layer. Crosstalk cancellation is provided using a phase modulating element (40, 140) for generating a non-rotationally-symmetric phase profile in a subsidiary radiatio... | 02/27/2007 |
| 7147903 | High efficiency optical devices Optical devices such as backlight assemblies, according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer. The multilayer optical film exhibits low absorptivity and can reflect l... | 12/12/2006 |
| 7133619 | Polarization mode dispersion compensation module An operation unit of a PMD compensation module includes a PBS (polarization beam splitter), a compensating part and a combiner. The PBS separates an optical input into a first polarized signal and a second polarized signal. The compensating part includes a fixed pri... | 11/07/2006 |
| 7108749 | Technological machinery for production of polarizers The invention pertains to technological apparatus' for production of polarizers, obtained from lyotropic liquid crystals (LLC) based on organic compounds, in particular, dyes. The technological production line for polarizer formation comprises at least one system of... | 09/19/2006 |
| 7097303 | Polarizing devices and methods of making the same Certain, non-limiting embodiments of the disclosure provide ophthalmic elements and devices comprising an at least partial coating adapted to polarize at least transmitted radiation on at least a portion of at least one exterior surface of an ophthalmic element or s... | 08/29/2006 |
| 7097304 | Polarizing devices and methods of making the same Certain, non-limiting embodiments of the disclosure provide ophthalmic elements and devices comprising an at least partial coating adapted to polarize at least transmitted radiation on at least a portion of at least one exterior surface of an ophthalmic element or s... | 08/29/2006 |
| 7083847 | Optical film Birefringent optical films have a Brewster angle (the angle at which reflectance of p-polarized light goes to zero) which is very large or is nonexistent. This allows for the construction of multilayer mirrors and polarizers whose reflectivity for p-polarized light ... | 08/01/2006 |
| 7079245 | Method and apparatus for detecting gap of liquid-crystal panel and apparatus therefor Light from a light source 10 is linearly polarized by a polarizer 11. Then it propagates via a half-mirror 12 almost parallel to the normal to a reflective liquid-crystal panel 13 and falls on the reflective liquid-crystal panel 13. | 07/18/2006 |
| 7068252 | Display unit capable of displaying two- and three-dimensional images and method for controlling display unit A display unit includes an organic electroluminescence device having light-emitting regions, and a liquid crystal panel having pixels. The liquid crystal panel is spaced apart from the organic electroluminescence device so that the light of each light-emitting regio... | 06/27/2006 |
