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Three diode optical bridge system

  • US 20070208238A1
  • Filed: 09/25/2006
  • Published: 09/06/2007
  • Est. Priority Date: 04/26/2002
  • Status: Active Grant
First Claim
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1. A method of generating a beam of electromagnetic radiation for the non-invasive measurement of a concentration of a target analyte in a fluid within a sample matrix, the method comprising:

  • directing a combined beam of electromagnetic radiation at the sample, the combined beam including at least two repetitive periods of radiation having different wavelengths, the target analyte having different absorption coefficients for the different wavelengths, and where the radiation during at least one period of radiation consists of a mixture of at least two radiations of different wavelengths, having an effective wavelength equal to the intensity-weighted mean of the two component wavelengths.

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