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US Patent 8953169 Apolarized interferometric system, and apolarized interferometric measurement method

Patent 8953169 was granted and assigned to Ixblue on February, 2015 by the United States Patent and Trademark Office.

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Current Assignee
Ixblue
Ixblue
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
8953169
Date of Patent
February 10, 2015
Patent Application Number
13882800
Date Filed
November 2, 2011
Patent Primary Examiner
‌
Kara E Geisel
Patent abstract

An interferometric system includes a polarization separation element (10), a first polarization conversion element (11), a Mach-Zehnder interferometer (2) including a first (4) and second (5) arms connected to one another by a first (6) and second (7) ends in order for a first and second beams (20, 21) having the same polarization to pass through the interferometer in a reciprocal manner in opposite directions of propagation, respectively, so as to form a first and second interferometric beam (22, 23), a second polarization conversion element (11) for obtaining an interferometric beam (24), the polarization of which is converted, a polarization-combining element (10), and a detection element (8) suitable for detecting an output beam (25).

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