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Browse by Category: Main > Optical & Optics
Class Information
Number: 356/364
Name: Optics: measuring and testing > By polarized light examination
Description: Subject matter including polarizing apparatus to examine visible light or to examine articles or material by means of visible polarized light; or including apparatus to compare, when polarization is involved, light, per se, or light transmitted through or reflected from an article or material with a light standard.










Sub-classes under this class:

Class Number Class Name Patents
356/369 Of surface reflection 979
356/365 With birefringent element 229
356/370 With light attenuation 54
356/366 With polariscopes 89


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
8705805 Secure portable token and systems and methods for identification and authentication of the same Apr. 22, 2014
8705032 Terahertz-infrared ellipsometer system, and method of use Apr. 22, 2014
8681333 Characterizing optical antenna near field transducers Mar. 25, 2014
8673650 Optical molecular detection Mar. 18, 2014
8654246 High resolution images using polarized light source and polarization camera Feb. 18, 2014
8654318 Cassette-based method and apparatus for measuring the presence and concentration of pharmaceutical substances in a medical fluid Feb. 18, 2014
8654331 Electromagnetic field measurement apparatus Feb. 18, 2014
8654332 Chip-scale optics module for optical interrogators Feb. 18, 2014
8638437 System and method of aligning a sample Jan. 28, 2014
8630697 Imaging of polarization scrambling tissue Jan. 14, 2014
8624579 Fiber optic current sensor Jan. 7, 2014
8625093 Particle characterization device Jan. 7, 2014
8625095 Automatic inspection apparatus for detecting stains on polarizing plate using color difference analysis and inspection method thereof Jan. 7, 2014
8587780 Device for measuring the twist of a rotating shaft Nov. 19, 2013
8582094 Systems and methods for inspecting specimens including specimens that have a substantially rough uppermost layer Nov. 12, 2013
8582101 High throughput birefringence measurement Nov. 12, 2013
8575539 Detection apparatus and method Nov. 5, 2013
8570515 Periodic patterns and technique to control misalignment between two layers Oct. 29, 2013
8570513 Ellipsometric investigation and analysis of textured samples Oct. 29, 2013
8559008 Ellipsometer focusing system Oct. 15, 2013
8547551 Lithographic apparatus and contamination detection method Oct. 1, 2013
8542356 Measurement method and measurement system for measuring birefringence Sep. 24, 2013
8525511 Time division multiplexed detector for a magneto-optical current transducer Sep. 3, 2013
8526005 System and method for calibrating optical measurement systems that utilize polarization diversity Sep. 3, 2013
8520207 Detection system for birefringence measurement Aug. 27, 2013
8520214 Fiber optical gyroscope Aug. 27, 2013
8514380 Polarization imaging apparatus with auto-calibration Aug. 20, 2013
8497985 Inspection method based on captured image and inspection device Jul. 30, 2013
8493562 Optical device with superimposed photonic circuits for coupling to one or more optical waveguides Jul. 23, 2013
8494360 In-service optical network testing Jul. 23, 2013
8486735 Method and device for incremental wavelength variation to analyze tissue Jul. 16, 2013
8488119 Terahertz-infrared ellipsometer system, and method of use Jul. 16, 2013
8477309 Method and system for inspecting beveled objects Jul. 2, 2013
8467056 Variable angle, fiber optic coupled, light scattering apparatus Jun. 18, 2013
8456632 Vectorial polarimetry method and apparatus for analyzing the three-dimensional electromagnetic field resulting from an interaction between a focused illuminating field and a sample to be obser Jun. 4, 2013
8451445 Apparatus and method for detecting array substrate May. 28, 2013
8451435 Optical anemometric probe with two measurement axes May. 28, 2013
8446583 Light focusing unit and spectrum measuring apparatus having the same May. 21, 2013
8447079 Linearly polarized light imaging method and device May. 21, 2013
RE44216 Microscope imaging system and method for emulating a high aperture imaging system, particularly for mask inspection May. 14, 2013
8436994 Fast sample height, AOI and POI alignment in mapping ellipsometer or the like May. 7, 2013
8432547 Apparatus and methods for concentration determination using polarized light Apr. 30, 2013
8427643 Real-time PCR monitoring apparatus Apr. 23, 2013
8427644 Optical displacement meter Apr. 23, 2013
8416408 Terahertz-infrared ellipsometer system, and method of use Apr. 9, 2013
8411146 Single camera color and infrared polarimetric imaging Apr. 2, 2013
8405829 Portable electronic device and method for testing polarizing ability of glass using the same Mar. 26, 2013
8405830 Device and method for taking spectroscopic polarimetric measurements in the visible and near-infrared ranges Mar. 26, 2013
8373852 Optical waveguide rotator mechanism, birefringence-inducing element and polarization control devices employing either or both and methods of using same Feb. 12, 2013
8373859 Methods and systems for imaging skin using polarized lighting Feb. 12, 2013

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16










 
 
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