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Collection optics system for spectrometer and Raman spectral system

  • US 10,520,438 B2
  • Filed: 07/13/2018
  • Issued: 12/31/2019
  • Est. Priority Date: 08/30/2017
  • Status: Active Grant
First Claim
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1. A collection optics system for a spectrometer, the collection optics system being configured to selectively collect a Raman signal from scattered light output from a target object, the collection optics system comprising:

  • a non-imaging collection unit configured to collect the Raman signal from the scattered light and output the Raman signal, the non-imaging collection unit comprising an entrance surface on which the scattered light is incident and an exit surface through which the Raman signal is output, the entrance surface being configured to he brought in contact with the target object; and

    a Raman filter provided on a portion of the entrance surface of the non-imaging collection unit and configured to block a portion of the scattered light comprising a fluorescence signal.

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