Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Frederick N. Bushroe0
Piotr Szwaykowski0
Raymond J. Castonguay0
Date of Patent
January 27, 2009
Patent Application Number
10536378
Date Filed
November 26, 2003
Patent Citations Received
Patent Primary Examiner
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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