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US Patent 8736844 Sagnac fourier transform spectrometer having improved resolution

Patent 8736844 was granted and assigned to University of Hawaii Press on May, 2014 by the United States Patent and Trademark Office.

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Patent

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Current Assignee
‌
University of Hawaii Press
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
8736844
Date of Patent
May 27, 2014
Patent Application Number
13154368
Date Filed
June 6, 2011
Patent Citations Received
‌
US Patent 12072290 Hyperspectral imaging with a spatial heterodyne spectrometer
0
Patent Primary Examiner
‌
Tarifur Chowdhury
Patent abstract

A Sagnac interferometer can include a beamsplitter arranged to receive an input beam of light of a design wavelength, to split the input beam of light into first and second beams that counter propagate around an optical path, and to recombine the first and second beams into an output beam of light. The optical path can include at least one diffraction grating that is arranged to satisfy an effective Littrow geometry.

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