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Class Information
Number: 356/365
Name: Optics: measuring and testing > By polarized light examination > With birefringent element
Description: Subject matter including a doubly refractive or birefringent element, that is, an element having the property of dividing a ray of light into two polarized rays (known as the ordinary and extraordinary rays) the directions of polarization being at right angles to each other.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612880 |
Advanced polarization imaging method, apparatus, and computer program product for retinal imaging, liquid crystal testing, active remote sensing, and other applications |
Nov. 3, 2009 |
| 7541600 |
Lithographic and measurement techniques using the optical properties of biaxial crystals |
Jun. 2, 2009 |
| 7525657 |
System and method for active optical target detection with polarized receiver |
Apr. 28, 2009 |
| 7486897 |
Polarization duobinary optical transmitter |
Feb. 3, 2009 |
| 7477389 |
Deformable photoelastic device |
Jan. 13, 2009 |
| 7477386 |
Polariscope toy and ornament with accompanying photoelastic and/or photoplastic devices |
Jan. 13, 2009 |
| 7471394 |
Optical detection system with polarizing beamsplitter |
Dec. 30, 2008 |
| 7463174 |
Compressive sampling and signal inference |
Dec. 9, 2008 |
| 7460230 |
Deviation angle self compensating substantially achromatic retarder |
Dec. 2, 2008 |
| 7450231 |
Deviation angle self compensating substantially achromatic retarder |
Nov. 11, 2008 |
| 7443504 |
Arbitrary and endless polarization controller and polarization-mode dispersion compensator using the same and arbitrary and endless polarization controlling method |
Oct. 28, 2008 |
| 7427932 |
Compressive sampling and signal inference |
Sep. 23, 2008 |
| 7411677 |
Driverless ellipsometer and ellipsometry |
Aug. 12, 2008 |
| 7385698 |
System and method of selectively monitoring sample front and backside reflections in ellipsometer and the like systems |
Jun. 10, 2008 |
| 7385696 |
Birefringence measurement of polymeric films and the like |
Jun. 10, 2008 |
| 7336360 |
Imaging polarimetry |
Feb. 26, 2008 |
| 7330259 |
Optical measurements of patterned articles |
Feb. 12, 2008 |
| 7327455 |
Process monitoring system, process monitoring method, and method for manufacturing semiconductor device |
Feb. 5, 2008 |
| 7317528 |
Ellipsometer, measurement device and method, and lithographic apparatus and method |
Jan. 8, 2008 |
| 7312869 |
Out-of-plane birefringence measurement |
Dec. 25, 2007 |
| 7310145 |
Apparatus and method for determining optical retardation and birefringence |
Dec. 18, 2007 |
| 7307722 |
Polarization stabilization |
Dec. 11, 2007 |
| 7301974 |
Wavelength monitoring apparatus |
Nov. 27, 2007 |
| 7292389 |
Circular extinction contrast imaging microscope |
Nov. 6, 2007 |
| 7287855 |
Method and system for removing the effects of corneal birefringence from a polarimetric image of the retina |
Oct. 30, 2007 |
| 7283231 |
Compressive sampling and signal inference |
Oct. 16, 2007 |
| 7283234 |
Use of ellipsometry and surface plasmon resonance in monitoring thin film deposition or removal from a substrate surface |
Oct. 16, 2007 |
| 7274440 |
Systems and methods for measuring stress in a specimen |
Sep. 25, 2007 |
| 7265835 |
System for implementing variable retarder capability in ellipsometer, polarimeter or the like systems |
Sep. 4, 2007 |
| 7239392 |
Polarization modulation photoreflectance characterization of semiconductor electronic interfaces |
Jul. 3, 2007 |
| 7233395 |
Performing retardation measurements |
Jun. 19, 2007 |
| 7221509 |
Method and apparatus for optical pickup capable of performing an effective polarization split |
May. 22, 2007 |
| 7113279 |
Variable polarization independent optical power splitter |
Sep. 26, 2006 |
| 7052762 |
Low Tg multilayer optical films |
May. 30, 2006 |
| 7030981 |
Method and apparatus for measuring birefringent particles |
Apr. 18, 2006 |
| 7025501 |
Tracking temperature change in birefringent materials |
Apr. 11, 2006 |
| 7016039 |
Purging light beam paths in optical equipment |
Mar. 21, 2006 |
| 7008103 |
Method and apparatus for temperature sensing utilizing optical fiber |
Mar. 7, 2006 |
| 6992758 |
Birefringence measurement of large-format samples |
Jan. 31, 2006 |
| 6985227 |
Birefringence measurement at deep-ultraviolet wavelengths |
Jan. 10, 2006 |
| 6975765 |
Optically variable form birefringent structure and method and system and method for reading same |
Dec. 13, 2005 |
| 6972842 |
Monitoring alignment between pulse carvers and phase modulators in optical systems |
Dec. 6, 2005 |
| 6947140 |
Birefringence measurement apparatus and method |
Sep. 20, 2005 |
| 6947137 |
System and method for measuring birefringence in an optical material |
Sep. 20, 2005 |
| 6917427 |
Highly accurate calibration of polarimeters |
Jul. 12, 2005 |
| 6910803 |
Method and apparatus for temperature sensing utilizing Brillouin scattering in polarization maintaining optical fiber |
Jun. 28, 2005 |
| 6897665 |
In-situ electron beam induced current detection |
May. 24, 2005 |
| 6891616 |
Polarization analyzer using a plurality of Faraday rotators |
May. 10, 2005 |
| 6867863 |
Integrated diagnostic for photoelastic modulator |
Mar. 15, 2005 |
| 6859276 |
Extracted polarization intensity differential scattering for particle characterization |
Feb. 22, 2005 |
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