US Patent 7483145 Simultaneous phase shifting module for use in interferometry
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Patent Inventor Names
Frederick N. Bushroe0
Piotr Szwaykowski0
Raymond J. Castonguay0
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Patent abstract
A back-end assembly for use with a front-end assembly in acquiring phase-shifted interferograms having a plurality of imaging modules (Ma, Mb, Mc). Each module (Ma, Mb, Mc) has a quarter wave plate (30a, 30b, 30c), a polarizer (32a, 32b, 32c), and an image sensor (34a, 34b, 34c) so that each polarizer has a different rotation orientation thus acquiring phase-shifted interferograms.
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US Patent 07483145 Simultaneous phase shifting module for use in interferometry US Patent 7483145 Simultaneous phase shifting module for use in interferometry
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Patent Number
07483145
Patent Number
7483145
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US Patent 07483145 Simultaneous phase shifting module for use in interferometry
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Patent jurisdiction
Patent number
07483145
Date of patent
January 27, 2009
Patent application number
10536378
Date Filed
November 26, 2003
Patent primary examiner
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