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Class Information
Number: 250/225
Name: Radiant energy > Photocells; circuits and apparatus > Optical or pre-photocell system > Polarizing
Description: Subject matter having a polarizer in the optical path between light source and photocell.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7449672 |
Conversion of quantum information from one photonic representation to another photonic representation |
Nov. 11, 2008 |
| 7411675 |
Optical rotation angle measuring apparatus |
Aug. 12, 2008 |
| 7405883 |
Optical component and method of manufacture of optical component |
Jul. 29, 2008 |
| 7391013 |
Scanning beam device with detector assembly |
Jun. 24, 2008 |
| 7375889 |
Apparatus and method for controlling polarization in an optical communications medium |
May. 20, 2008 |
| 7373059 |
Compact, single chip-based, entangled polarization-state photon sources and methods for generating photons in entangled polarization states |
May. 13, 2008 |
| 7369234 |
Method of performing optical measurement on a sample |
May. 6, 2008 |
| 7361884 |
Polarization independent optical isolator and optical transmitting/receiving apparatus |
Apr. 22, 2008 |
| 7358470 |
Optical pickup |
Apr. 15, 2008 |
| 7335874 |
Method and apparatus for generating a circularly polarized illumination beam |
Feb. 26, 2008 |
| 7335873 |
Light condensing method and light condenser as well as near-field optical microscope and storage device formed by applying the same |
Feb. 26, 2008 |
| 7330259 |
Optical measurements of patterned articles |
Feb. 12, 2008 |
| 7312924 |
Polarizing multiplexer and methods for intra-oral scanning |
Dec. 25, 2007 |
| 7304294 |
Reflective encoder with reduced background noise |
Dec. 4, 2007 |
| 7301138 |
Method and apparatus for dual polarization imaging |
Nov. 27, 2007 |
| 7301163 |
Lateral shift measurement using an optical technique |
Nov. 27, 2007 |
| 7301649 |
System for scatterometric measurements and applications |
Nov. 27, 2007 |
| 7291829 |
Light intensity detector |
Nov. 6, 2007 |
| 7285767 |
Methods and apparatus for inspecting an object |
Oct. 23, 2007 |
| 7282695 |
Active search sensor and a method of detection using non-specular reflections |
Oct. 16, 2007 |
| 7268875 |
Method and apparatus for optically measuring absolute displacement |
Sep. 11, 2007 |
| 7268342 |
Determination of optical properties of a device under test in both directions in transmission and in reflection |
Sep. 11, 2007 |
| 7262380 |
Determination of characteristics of material |
Aug. 28, 2007 |
| 7259844 |
High throughput darkfield/brightfield wafer inspection system using advanced optical techniques |
Aug. 21, 2007 |
| 7253901 |
Laser-based cleaning device for film analysis tool |
Aug. 7, 2007 |
| 7220954 |
Quantum state transfer between matter and light |
May. 22, 2007 |
| 7220978 |
System and method for detecting defects in semiconductor wafers |
May. 22, 2007 |
| 7211812 |
Entangled photon pair generating apparatus |
May. 1, 2007 |
| 7209232 |
Device for ellipsometric two-dimensional display of a sample, display method and ellipsometric measurement method with spatial resolution |
Apr. 24, 2007 |
| 7202951 |
Laser-based cleaning device for film analysis tool |
Apr. 10, 2007 |
| 7189961 |
Scanning beam device with detector assembly |
Mar. 13, 2007 |
| 7186968 |
Polarization sensitive solid state image sensor including integrated photodetector and polarizing assembly and associated methods |
Mar. 6, 2007 |
| 7180051 |
Polarization state detecting system, light source, and exposure apparatus |
Feb. 20, 2007 |
| 7164145 |
Measuring fiber orientation by detecting dispersion of polarized light |
Jan. 16, 2007 |
| 7157687 |
Optical devices with folded optical path designs |
Jan. 2, 2007 |
| 7151632 |
Apparatus for production of an inhomogeneously polarized optical beam for use in illumination and a method thereof |
Dec. 19, 2006 |
| 7148468 |
Mirror angle measurement and servo control apparatus for holographic digital data storage system |
Dec. 12, 2006 |
| 7126106 |
Quantum computer and quantum computation method |
Oct. 24, 2006 |
| 7122817 |
Lateral shift measurement using an optical technique |
Oct. 17, 2006 |
| 7115858 |
Apparatus and method for the measurement of diffracting structures |
Oct. 3, 2006 |
| 7110114 |
System and method for enhancing confocal reflectance images of tissue specimens |
Sep. 19, 2006 |
| 7102120 |
Optical module with built-in wavelength locker |
Sep. 5, 2006 |
| 7098442 |
Thin micropolarizing filter, and a method for making it |
Aug. 29, 2006 |
| 7084976 |
Concentration measuring instrument |
Aug. 1, 2006 |
| 7081613 |
Retroreflective photoelectric sensor |
Jul. 25, 2006 |
| 7078674 |
Optical pickup device emitting linear polarized light with a 45 degree phase difference |
Jul. 18, 2006 |
| 7075055 |
Measuring device |
Jul. 11, 2006 |
| 7067795 |
Methods and systems for dynamic control of polarization of an optical signal |
Jun. 27, 2006 |
| 7057792 |
Optical sensor unit for measuring current and voltage of high frequency |
Jun. 6, 2006 |
| 7045766 |
Retroreflective photoelectric sensor |
May. 16, 2006 |
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