Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Optical & Optics
Class Information
Number: 356/513
Name: Optics: measuring and testing > By light interference (e.g., interferometer) > For dimensional measurement > Contour or profile > By wavefront detection > Of highly reflective surface (e.g., mirror)
Description: Wavefront detection wherein the wavefront is specularly reflected from a highly reflective surface such as a mirror.


Sub-classes under this class:

Class Number Class Name Patents
356/514 Planar surface 73


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7612893 Scanning interferometric methods and apparatus for measuring aspheric surfaces and wavefronts Nov. 3, 2009
7570366 Apparatus for measuring defects in a glass sheet Aug. 4, 2009
7514667 Variable transmittance optical element and imaging optical system including the same arranged at distal end of an endoscope Apr. 7, 2009
7497578 Monitoring scan mirror motion in electro-optical readers and image projectors Mar. 3, 2009
7423765 Optical system of a microlithographic projection exposure apparatus Sep. 9, 2008
7405830 Vibration-insensitive interferometer Jul. 29, 2008
7400388 Method for determining distortion and/or image surface Jul. 15, 2008
7375824 Interferometer for measurement of dome-like objects May. 20, 2008
7315380 Laser interferometer for repeatable mounting on the wall of a vacuum chamber Jan. 1, 2008
7218403 Scanning interferometer for aspheric surfaces and wavefronts May. 15, 2007
7154612 Method for calibrating a radius test bench Dec. 26, 2006
7123365 Method of calibrating an interferometer optics and method of processing an optical element having an aspherical surface Oct. 17, 2006
7106455 Interferometer and interferance measurement method Sep. 12, 2006
7072042 Apparatus for and method of measurement of aspheric surfaces using hologram and concave surface Jul. 4, 2006
7061626 Method of manufacturing an optical element using a hologram Jun. 13, 2006
7057742 Frequency-scanning interferometer with non-specular reference surface Jun. 6, 2006
6999182 Method and system for characterizing aspheric surfaces of optical elements Feb. 14, 2006
6972849 Scanning interferometer for aspheric surfaces and wavefronts Dec. 6, 2005
6965435 Interferometer system for measuring surface shape Nov. 15, 2005
6943896 Reconfigurable interferometer system Sep. 13, 2005
6909510 Application of the phase shifting diffraction interferometer for measuring convex mirrors and negative lenses Jun. 21, 2005
6900896 Method and system for measuring optical characteristics of a sub-component within a composite optical system May. 31, 2005
6894788 Interferometric system for automated radius of curvature measurements May. 17, 2005
6882432 Frequency transform phase shifting interferometry Apr. 19, 2005
6879402 Scanning interferometer for aspheric surfaces and wavefronts Apr. 12, 2005
6842255 Interferometer and interferance measurement method Jan. 11, 2005
6801323 Methods and apparatus for interferometric dimensional metrology Oct. 5, 2004
6781700 Scanning interferometer for aspheric surfaces and wavefronts Aug. 24, 2004
6771375 Apparatus and method for measuring aspherical optical surfaces and wavefronts Aug. 3, 2004
6741362 Method, system, and computer program product for determining refractive index distribution May. 25, 2004
6717679 Dispersive null-optics for aspheric surface and wavefront metrology Apr. 6, 2004
6714308 Rapid in-situ mastering of an aspheric fizeau Mar. 30, 2004
6704112 Application of the phase shifting diffraction interferometer for measuring convex mirrors and negative lenses Mar. 9, 2004
6646748 Surface profile measurement apparatus Nov. 11, 2003
6633389 Profiling method Oct. 14, 2003
6624895 Method and apparatus for measuring aspherical shape and method for manufacturing optical element using them Sep. 23, 2003
6577400 Interferometer Jun. 10, 2003
6493094 Method and apparatus for beam directing Dec. 10, 2002
6456382 Interferometer that measures aspherical surfaces Sep. 24, 2002
6417916 Method and apparatus for examining test pieces Jul. 9, 2002
6344898 Interferometric apparatus and methods for measuring surface topography of a test surface Feb. 5, 2002
6278523 Optical sensor on a silicon substrate and application for the in situ measurement of a fluorescent marker in the small bronchia Aug. 21, 2001
6204925 Interferometer having a micromirror Mar. 20, 2001
6195168 Infrared scanning interferometry apparatus and method Feb. 27, 2001
6175421 Method and apparatus for measuring material properties using transient-grating spectroscopy Jan. 16, 2001
6025912 Interferometer having a micromirror Feb. 15, 2000
6018393 Evaluating system for a dual focus lens Jan. 25, 2000
5933236 Phase shifting interferometer Aug. 3, 1999
5898501 Apparatus and methods for measuring wavefront aberrations of a microlithography projection lens Apr. 27, 1999
5822066 Point diffraction interferometer and pin mirror for use therewith Oct. 13, 1998

1 2 3


 
 
  Recently Added Patents
Particle motion vector measurement in a towed, marine seismic cable
Form recognition system, method, program, and storage medium
Multistage compression type rotary compressor
Working distance and alignment sensor for a fundus camera
Broadspecturm 2-amino-benzoxazole sulfonamide HIV protease inhibitors
Purge gas streams to stagnant zones within oxygenate-to-olefin reactor
Solid-state image pickup device, a method of driving the same, a signal processing method for the same, and image pickup apparatus
  Randomly Featured Patents
Substituted 10,11-benzo[b]fluoren-10-ones as estrogenic agents
Peristaltic filtration hose apparatus and method
Collapsible cage
Apparatus for removing particles and chemicals from a fluid solution
System and methods for embedding additional data in compressed data streams
Digital multitone generator for telephone dialing
Hot and cold water mixing device
Prolonging zeolite catalyst life in methanol conversion to gasoline by disposing of exothermic reaction heat
Rock drilling tool
Hand mill