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Fourier-transform spectrometers

  • US 20020097402A1
  • Filed: 08/02/2001
  • Published: 07/25/2002
  • Est. Priority Date: 11/04/1998
  • Status: Active Grant
First Claim
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1. A spectrometer, comprising:

  • a source of a primary beam of radiant energy;

    a beamsplitter fixed in relation to the primary beam, for dividing primary beam into at least first and second energy beams which follow first and second optical paths;

    a tunable solid-state reference laser coupled to the spectrometer through a filter;

    at least one return reflector for reflecting the first beam back to the beamsplitter;

    at least one radiant energy detector;

    a control, data acquisition and processing electronic system;

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