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Systems, apparatus, and methods for spectral imaging

  • US 10,444,007 B2
  • Filed: 01/13/2018
  • Issued: 10/15/2019
  • Est. Priority Date: 07/15/2015
  • Status: Active Grant
First Claim
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1. A spectral imaging system comprising:

  • a beam splitter to receive an input light beam reflected or scattered from a sample and to split the input light beam into a first portion and a second portion;

    a first reflector, in optical communication with the beam splitter, to reflect the first portion of the input light beam;

    a second reflector, in optical communication with the beam splitter, to reflect the second portion of the input light beam;

    an actuator, operably coupled to the second reflector, to move the second reflector along a propagation direction of the second portion of the input light beam;

    a position measurement system, operably coupled to the second reflector, to measure a position of the second reflector;

    a detector, disposed at an intersection between the first portion of the input light beam and the second portion of the input light beam, to detect an interference pattern created by the first portion of the input light beam and the second portion of the input light beam; and

    a processor, operably coupled to the position measurement system and the detector, to generate a spectral image of the sample based at least in part on the position acquired by the position measurement system and the interference pattern acquired by the detector.

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