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System and method for chemical sensing using trace gas detection

  • US 20070115475A1
  • Filed: 11/21/2006
  • Published: 05/24/2007
  • Est. Priority Date: 09/22/2003
  • Status: Active Grant
First Claim
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1. A system for detecting a chemical, comprising:

  • a strobe configured to irradiate a first beam with a spectral energy band across at least a portion of a characteristic absorption band of a trace gas associated with the chemical;

    a probe unit configured to interferometrically sense and measure the absorption of the first beam by molecules of the trace gas and determine the trace gas concentration;

    wherein the trace gas is at a remote location from the strobe and the probe unit.

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