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Single particle QCL-based mid-IR spectroscopy system with analysis of scattering

  • US 8,502,148 B2
  • Filed: 04/16/2012
  • Issued: 08/06/2013
  • Est. Priority Date: 11/16/2010
  • Status: Active Grant
First Claim
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1. A system with scattering analysis, comprising:

  • a handling system that presents a single particle, that has not been chemically conditioned for analysis, to at least one quantum cascade laser (QCL) source;

    the at least one QCL laser source configured to deliver light to the single particle in order to induce resonant mid-infrared absorption in the particle or an analyte within the particle; and

    a mid-infrared detection facility that detects a mid-infrared wavelength light scattered by the single particle,wherein an analysis of intensity versus at least one of wavelength and angle of the scattered mid-infrared wavelength light is used to determine analyte-specific structural and concentration information.

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