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| Application No. | Application Title | Issue Date |
| 20110180696 | Devices useful for vacuum ultraviolet beam characterization The invention provides for a device comprising an apparatus comprising (a) a transmission grating capable of diffracting a photon beam into a diffracted photon output, and (b) an image detector capable of detecting the diffracted photon output. The device is useful for ... | 07/28/2011 |
| 20110024609 | Apparatus and Method for Creating a Photonic Densely-Accumulated Ray-Point An optical apparatus includes an optical diffraction device configured for diffracting a predetermined wavelength of incident light onto adjacent optical focal points, and a photon detector for detecting a spectral characteristic of the predetermined wavelength. One of ... | 02/03/2011 |
| 20100302625 | SUB-DIFFRACTION-LIMITED IMAGING SYSTEMS AND METHODS Various embodiments of the present invention are directed to systems and methods for obtaining images of objects with higher resolution than the diffraction limit. In one aspect, a method for collecting evanescent waves scattered from an object comprises electronically ... | 12/02/2010 |
| 20100276577 | MICROELECTRONIC SENSOR DEVICE The invention concerns an optical device for providing evanescent radiation, in response to incident radiation, in a detection volume for containing a target component in a medium, the detection volume having at least one in-plane dimension (W1) smaller than a di... | 11/04/2010 |
| 20100243916 | MODULAR OPTICAL DIAGNOSTIC PLATFORM FOR CHEMICAL AND BIOLOGICAL TARGET DIAGNOSIS AND DETECTION A modular system for optical diagnosis of a sample includes a portable optical probe, a light source, a filter, and a gain detector. A first optical element releasably, optically couples the optical probe to the light source. A second optical element releasably, optical... | 09/30/2010 |
| 20100207012 | Multi-stage waveform detector A waveform detector may include multiple stages.... | 08/19/2010 |
| 20100208245 | APPARATUS AND METHOD FOR A LIGHT DIRECTION SENSOR The present invention provides a light direction sensor for determining the direction of a light source. The system includes an image sensor; a spacer attached to the image sensor, and a pattern mask attached to said spacer. The pattern mask has a slit pattern that as l... | 08/19/2010 |
| 20100155583 | WAVELENGTH MEASUREMENT SYSTEM A fiber optic interrogator includes a broadband optical source, at least one beam splitter directing output of the optical source to an array of fiber optic gratings, at least one linear transmission or reflection filter, at least one optical receiver and at least one a... | 06/24/2010 |
| 20100148045 | PHOTODETECTOR, DIFFRACTION GRATING, OPTICAL PICKUP AND OPTICAL DISC APPARATUS The present invention provides a photodetector capable of generating highly accurate tracking and focusing error signals free of variations in light quantity caused by interference, in an optical pickup with a two-wavelength multilaser. The photodetector comprises first... | 06/17/2010 |
| 20100140464 | OPTICAL SYSTEM FOR MAPPING SIGNAL LIGHT ONTO A DETECTOR The invention relates to an optical system that particularly allows an improved detection of signal light propagating from a light source (1) through a flat glass substrate (11). SC-modes of this signal light that would normally be totally internally refle... | 06/10/2010 |
| 20100078546 | OPTICAL MODULE AND OPTICAL SENSOR USING THE SAME AND METHOD FOR MANUFACTURING THEREOF Provided are an optical module, an optical sensor using the optical module, and a method of manufacturing the optical module. The optical sensor includes: a semiconductor substrate having a plurality of optical paths; an optical glass substrate formed on the semiconduct... | 04/01/2010 |
| 20090267803 | Scale for photoelectric encoder A scale for a photoelectric encoder effectively protects the base of the scale from corrosion, rust, and flaws. The scale includes a base, a light-absorbing layer including a DLC layer formed on at least one surface of the base, and light-reflecting layers with a higher... | 10/29/2009 |
| 20090250632 | Method and Arrangement for Collimated Microscopic Imaging A method and arrangement for collimated microscopic imaging, including a first illumination of a sample in at least one region for exciting fluorescence, and a spatially resolving detection of the sample light by detector elements, the detection being associated with th... | 10/08/2009 |
| 20090224174 | Calibration device and laser scanning microscope with such a calibration device A calibration device for managing a variety of performance tests and/or calibration tasks in a laser scanning microscope. The calibration device, which has focusing optics and a test structure arranged in the focal plane of the focusing optics, with structural elements ... | 09/10/2009 |
| 20090180125 | Rotary Encoder Apparatus Rotary encoder apparatus is described that comprises one or more readheads (114) and a radial scale (20). Each of the one or more readheads (114) includes a light emitting portion (30, 32) for illuminating the radial scale and a light detecti... | 07/16/2009 |
| 20090001260 | System for Detecting Motion of a Body The invention relates to a system (1) for detecting motion of a body (2) comprising a first elongated grating strip (4) coupled to said body and a separate and substantially stationary second elongated grating strip (5) crossing said first el... | 01/01/2009 |
| 20080302953 | PHOTOELECTRIC ENCODER In a photoelectric encoder including a scale (14, 16, 18) for making a relative move and an image forming optical system (22, 24), adapted to detect relative displacement of the scale, a transparent protective material (40, 42) having a thickness t ... | 12/11/2008 |
| 20080251704 | Optical Structure for Localising an Electromagnetic Field and Detector or Emitter Device Including Such a Structure An optical structure enabling properties of the surface plasmons to be used is defined from a substantially binary, parameterizable unit pattern M | 10/16/2008 |
| 20080251703 | Optical encoder In a triple slit optical encoder, a first grating and a third grating are formed on separate members, and values of a first effective width W1 and a first pitch p1 of an optical pattern on the first grating, and a third effective width W3 and a thir... | 10/16/2008 |
| 20080111063 | Optical encoder An optical encoder (100) is provided with: a light-emitting element (30) including a main-signal light-emitting element (31) having a red LED (31A) that emits red light and an origin light-emitting element (32) having an infrared LED (... | 05/15/2008 |
| 20080093569 | Optical pickup apparatus and optical disc apparatus using same An optical pickup apparatus includes a semiconductor laser for emitting a laser light, an objective lens for irradiating the light flux emitted from the semiconductor laser onto an optical disc, and a light detector for receiving the light flux reflected from the optica... | 04/24/2008 |
| 20080062432 | Position measuring arrangement A position measuring arrangement for detecting a relative position. The position measuring arrangement includes a reflection scale graduation and a scanning unit having a plurality of optical elements. The plurality of optical elements include a combining grating, a ret... | 03/13/2008 |
| 20080035837 | DISPLACEMENT SENSOR, METHOD FOR DETECTING THE OPTIMAL REFERENCE POSITION, AND METHOD FOR JUDGING STABILITY OF DETECTING REFERENCE POSITION OF DISPLACEMENT SENSOR A displacement sensor which detects a positional displacement of a movable member, comprises a position signal generating section configured to generate a periodical signal in accordance with movement of the movable member, a generating section of a signal for detecting... | 02/14/2008 |
| 20070222017 | PHOTODETECTOR ARRANGEMENT, MEASUREMENT ARRANGEMENT WITH A PHOTODETECTOR ARRANGEMENT AND PROCESS FOR OPERATING A MEASUREMENT ARRANGEMENT A photodetector arrangement has a semiconductor body with a substrate, and first, second and third layers. The first layer is located at the first main surface of the semiconductor body which is suited for reception of incident photon radiation which is to be detected. ... | 09/27/2007 |
| 20070187581 | Optical encoder An optical encoder includes an incoherent light source; a first grating, which is an amplitude grating having a first grating period, for spatial amplitude modulation of the incoherent light from the light source; a second grating, which is a phase grating having a seco... | 08/16/2007 |
| 20070125939 | PHOTOELECTRIC ENCODER A three-grating type photoelectric encoder includes a second grating formed on a scale and first and third gratings disposed on a side of a detector. A part of at least the first grating is shifted in a direction of a measurement axis by P/(2n) (wherein P is a grating p... | 06/07/2007 |
| 20060011823 | Differential method for layer-to-layer registration A system for precisely measuring layer-to-layer mis-registration is provided. The system includes a new type of mark and a comparison system, which compare the right and left signals from the mark to eliminate non-alignment noise, to enlarge the alignment information hu... | 01/19/2006 |
| 20050211887 | Scale for reflective photoelectric encoder and reflective photoelectric encoder In a scale for a reflective photoelectric encoder in which a reflective film is not formed on the side faces of phase gratings, an edge angle θ of the phase grating is set larger than 80 degrees and less than 90 degrees. Accordingly, stable diffraction efficiency is ob... | 09/29/2005 |
| 20050087677 | Apparatus and method for an electronically tuned, wavelength-dependent optical detector An electronically tuned, wavelength-dependent optical detector is provided. The electronically tuned, wavelength-dependent optical detector is a modified metal-semiconductor-metal photodetector including a comb-like metal electrode at a common voltage and metal electrod... | 04/28/2005 |
| 20050078373 | Optical device for scanning an optical record carrier An optical device for scanning an optical record carrier (20) has a radiation source (25) that can emit two radiation beams of different wavelength along different optical paths (28, 29). The emitted radiation is focused on the record carrier and re... | 04/14/2005 |
| 20050006574 | Position encoder An optical encoder that includes an optical grating and a quadrature optical encoder sensor that move relative to each other. The optical grating includes a first encoder bar and a plurality of second encoder bars, wherein the first encoder bar is optically configured t... | 01/13/2005 |
