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| Number | Title | Issue Date |
| 8144399 | Image presentation and micro-optic security system An image presentation system employing microstructured icon elements to form an image. In one form a synthetic optical image system is provided that includes an array of focusing elements, and an image system that includes or is formed from an array or pattern of mi... | 03/27/2012 |
| 8125715 | Adjustable electromagnetic energy collimator An EM energy projector incorporates a final stage radiator including a shaped reflecting spike having a forward radiant axis. The shaped spike defines a set of equivalent, discrete input locations, there being a plurality of such locations. The emitters are arranged... | 02/28/2012 |
| 8116005 | Light combiner For combining light from different light sources in a light source, dichroic filters are displaced individually according to the physical arrangement of the light sources such that the reflected light from the dichroic filters is coincident in angle and space. ... | 02/14/2012 |
| 8098435 | Optical combiner and image projector using the optical combiner An optical combiner in which the number of parts used is lessened is made of a resin. The optical component comprises a first surface, a diffraction grating, and a second surface. The first surface is a surface providing first, second, and third lenses. The diffract... | 01/17/2012 |
| 8098436 | Lens module with adhesively mounted filter A lens module includes a barrel and a parallelogram-shaped filter. The barrel defines a through hole bounded by an inner circumferential surface thereof. The barrel includes an end surface substantially perpendicular to the inner circumferential surface. The barrel ... | 01/17/2012 |
| 8085468 | Line generator A line generator according to the present invention includes a light source, a first lens group, and a second lens group. An optical axis is set to a position of a light beam which travels orthogonal to incidence surfaces of both the first and second lens groups and... | 12/27/2011 |
| 8081386 | Device for illuminating an area and device for applying light to a work area Device for illuminating an area, in particular for illuminating a mask (14), for example for a lithographic application, with at least one light source (1) for producing light (3) that can be used for the illumination, optics means (2) fo... | 12/20/2011 |
| 8009358 | Optical system and method for use in projection systems An optical system and method are presented to produce a desired illuminating light pattern. The system comprises a light source system configured and operable to produce structured light in the form of a plurality of spatially separated light beams; and a beam shapi... | 08/30/2011 |
| 8004765 | Light guide optical device The invention provides an optical device, including a light-transmitting substrate, optical means for coupling light into the substrate by total internal reflection, and a plurality of partially reflecting surfaces carried by the substrate, characterized in that the... | 08/23/2011 |
| 7961397 | Single-channel optical processing system for energetic-beam microscopes A single-channel optical processing system for an energetic-beam instrument has separate sources for processing radiation and illumination radiation. The processing radiation and the illumination radiation are combined in a single optical path and directed to a samp... | 06/14/2011 |
| 7957066 | Split field inspection system using small catadioptric objectives A system for inspecting a specimen is provided. The system includes an illumination subsystem configured to produce a plurality of channels of light energy, each channel of light energy produced having differing characteristics (type, wavelength, etc.) from at least... | 06/07/2011 |
| 7952807 | Tunable Michelson and Mach-Zehnder interferometers modified with Gires-Tournois interferometers Optical filters tunable for both center wavelength and bandwidth, having applications such as in astronomy, remote sensing, laser spectroscopy, and other laser-based sensing applications, using Michelson interferometers or Mach-Zehnder interferometers modified with ... | 05/31/2011 |
| 7952806 | Multicolor diode-laser module A multi-laser module includes two compartments arranged one above the other. The lower compartment includes four lasers and four corresponding beam-steering mirrors arranged to direct corresponding laser beams into the upper compartment. The upper compartment includ... | 05/31/2011 |
| 7907341 | Laser processing method and laser processing apparatus The present invention relates to a laser processing method and laser processing apparatus for enabling improvement and maintenance of homogenization of a beam intensity distribution in an irradiated region. The laser processing apparatus comprises, at least, an ASE ... | 03/15/2011 |
| 7894138 | Display optical system and image display apparatus including the same At least one exemplary embodiment is directed to a display optical system which includes a first optical system configured to form a magnified image of an image displayed on an image display element, the first optical system including an optical member, a second opt... | 02/22/2011 |
| 7889428 | External laser light introducing device An external laser light introducing device is constructed to introduce laser light from outside of an optical apparatus into inside so that the laser light is condensed on a target by a condenser lens located inside the optical apparatus. In this case, the external ... | 02/15/2011 |
| 7880968 | Tunable Michelson and Mach-Zehnder interferometers modified with Gires-Tournois interferometers Optical filters tunable for both center wavelength and bandwidth, having applications such as in astronomy, remote sensing, laser spectroscopy, and other laser-based sensing applications, using Michelson interferometers or Mach-Zehnder interferometers modified with ... | 02/01/2011 |
| 7859755 | Lens module and method for fabricating same A lens module includes: a base unit, a first lens unit, a spacer unit, a second lens unit and a cap unit. The base unit has a first through hole having a first tapered portion. The first lens unit has a first peripheral portion having second and third tapered portio... | 12/28/2010 |
| 7848022 | Imaging device and method for a bonding apparatus An imaging device and method of a bonding apparatus in which the imaging device includes: a high-magnification optical system having first and second high-magnification optical paths that extend to multiple imaging planes through a high-magnification lens and have d... | 12/07/2010 |
| 7839571 | Color-separation optical system and imaging apparatus A curve representing a characteristic of a blue-light reflecting dichroic film DB and a curve representing a characteristic of a red-light reflecting dichroic film DR are configured to have shapes that track an ideal spectral characteristic of green. Accordingly, it... | 11/23/2010 |
| 7808705 | Wavelength-selective switch A wavelength-selective switch with a switch unit having a lens array, a first lens and a beam expander, and a branching unit having a second lens, a diffraction grating, a third lens and a mirror, in which the switch unit and the branching unit are accommodated in i... | 10/05/2010 |
| 7791804 | Ophthalmic display comprising an ophthalmic lens and an optical imager The invention relates to an ophthalmic display comprising an ophthalmic lens containing an optical imager insert (400) presenting a direction of polarization and serving to shape light beams and direct them towards the eye of the wearer to enable information ... | 09/07/2010 |
| 7777955 | Rippled mixers for uniformity and color mixing Various embodiments described herein comprise mixers comprising a light pipe having input and output ends and a central region therebetween. An optical path extends in a longitudinal direction from the input end through the central region to the output end. The cent... | 08/17/2010 |
| 7777956 | Micro-lens arrays and curved surface fabrication techniques A method of fabricating a sub-millimeter scale curved surface on a substrate (10) includes cutting a plurality of trenches (12) of varying depth into the substrate (10). The depth of the trenches (12) corresponds to a desired surface prof... | 08/17/2010 |
| 7777957 | Optical filter and tunable filter A light from an optical fiber is incident on a dispersive element via an optical circulator and an optical fiber. The dispersive element disperses the incident light toward directions different depending on wavelength to apply the dispersed lights to a lens. The len... | 08/17/2010 |
| 7760433 | Laser irradiation apparatus There are disposed two homogenizers for controlling an irradiation energy density in the longitudinal direction of a laser light transformed into a linear one which is inputtted into the surface to be irradiated. Also, there is disposed one homogenizer for controlli... | 07/20/2010 |
| 7746559 | Image projecting device and method An image projecting device and method are presented. The device comprises a light source system, a spatial light modulator (SLM) unit, and an image projection optics accommodated at the output side of the SLM unit. The SLM unit may be reflective or transmissive. The... | 06/29/2010 |
| 7738174 | System for optical color division A system for optical color division receives an incident light from a side and divides the incident light into a plurality of color lights. The system includes a light guide plate for allowing the incident light to have total internal reflection back and forth there... | 06/15/2010 |
| 7724436 | Reflective corrector for optical projection engine A projection engine is disclosed, in which white light from a uniform telecentric source is collimated, polarized, and split into red and cyan beams. The collimated red light passes through a red focuser, which has an off-axis, front-surface mirror that has an asphe... | 05/25/2010 |
| 7719766 | Illumination source and method therefor An illumination source and a method therefor. A light source includes a light circuit configured to process light and direct light, and a lighting element optically coupled to the light circuit to provide multiple colors of light. The light circuit propagates light ... | 05/18/2010 |
| 7719767 | Composite light division device and image apparatus using the same A composite light dividing device is provided. The composite light dividing device receives a light beam mixed by lights of at least two wavebands. The composite light dividing device includes a refracting/diffracting unit, and a refracting unit. The refracting/diff... | 05/18/2010 |
| 7715101 | Electromagnetic radiation pulse duration control apparatus and method Apparatus and methods are used for controlling electromagnetic radiation pulse duration in a lithographic apparatus. A dividing element is arranged to divide an electromagnetic radiation pulse into a first portion and a second portion. A prism receives, refracts, an... | 05/11/2010 |
| 7710653 | Projection optical system, exposure system, and exposure method A liquid immersion type projection optical system that can stably prevent the outflow of immersion liquid into inside of an optical system and can maintain good imaging performance. In the projection optical system of the present invention, an optical path between a... | 05/04/2010 |
| RE41240 | Zoomable beamspreader with matched optical surfaces for non-imaging illumination applications A zoomable light beam spreader comprising first and second multiple-lens arrays includes a plurality of plano-convex lenses in correspondence with a plurality of plano-concave lenses having matched, curved optical surfaces. In a zero-power state, the two multiple-le... | 04/20/2010 |
| 7697207 | High power and high brightness diode-laser array for material processing applications Arrangements for combination and fast-axis alignment of fast-axes of diode-laser beams are disclosed. Alignment arrangements include providing each diode-laser with a corresponding alignable fast-axis collimating lens, providing individually alignable mirrors for st... | 04/13/2010 |
| 7656583 | Beam combiner employing a wedge-shaped cross-section A beam corradiator for combining two radiation beams, preferably movable beams independent from each other in at least one direction, to scan and/or influence a sample, preferably a manipulation system and an imaging system, with a partially reflecting layer being p... | 02/02/2010 |
| 7639424 | Display system for vehicle A display system for a vehicle which is able to maintain display quality and to be mounted on a vehicle of various types. A display system for a vehicle has an indicator, a backlight arranged on a back side of the indicator, a light ray controller and a direction ad... | 12/29/2009 |
| 7623292 | Laser irradiation apparatus, laser irradiation method, and method for manufacturing semiconductor device It is an object of the present invention to provide a laser irradiation apparatus, a laser irradiation method, and a method for manufacturing a semiconductor device using the laser irradiation method that can suppress the energy distribution of the laser beam. The p... | 11/24/2009 |
| 7616378 | Dichroic beam splitter and related apparatus and methods Dichroic beam splitters having non-parallel entry and exit surfaces, reduced distance between such surfaces, and an aspherical exit surface can be advantageously used in dual channel optical systems, particularly when one channel is dedicated to infrared light and t... | 11/10/2009 |
| 7612943 | Optical device and crystallization device An optical device comprises a first cylindrical lens array in which a plurality of first lens segments each having a first radius of curvature and a first width so as to divide laser light into a plurality of light components are arranged, and a plurality of second ... | 11/03/2009 |
