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Methods of analyzing samples using broadband laser light

  • US 7,894,057 B2
  • Filed: 10/14/2009
  • Issued: 02/22/2011
  • Est. Priority Date: 03/22/2004
  • Status: Active Grant
First Claim
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1. A method of identifying a biological classification of virus present in a sample, the method comprising:

  • illuminating the sample with a spectral energy band across at least a portion of the characteristic absorption band of the analyte using an illuminator consisting essentially of one or more broadband quantum cascade lasers so as to provide the spectral energy band across a broadband of wavelengths;

    collecting spectral data regarding the sample using a detector; and

    determining a biological classification of the virus as a function of the spectral data;

    wherein the spectral data comprises a plurality of spectral data points and said collecting includes collecting the spectral data points simultaneously with one another; and

    wherein said illuminating comprises illuminating the sample using a Fabry-Perot quantum cascade laser.

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