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Diffuse reflectance spectroscopy

  • US 7,623,906 B2
  • Filed: 11/12/2002
  • Issued: 11/24/2009
  • Est. Priority Date: 11/12/2002
  • Status: Expired due to Fees
First Claim
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1. An apparatus for obtaining a diffuse reflectance spectrum from tissue, comprising:

  • a. a generator for generating infrared energy at a plurality of wavelengths;

    b. a director for directing said infrared energy to said tissue;

    c. a collector for collecting infrared energy that is reflected by said tissue, wherein said collector collects infrared energy at each of the plurality of wavelengths;

    d. a discriminator for discriminating between infrared energy that is diffusely reflected from a first depth within said tissue from infrared energy that is diffusely reflected from a second depth within said tissue, said discriminator specifically sized for substantially preventing said infrared energy that is diffusely reflected from the first depth from reaching said collector.

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