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OPTICAL MEASUREMENTS OF CHEMICAL CONTENT

  • US 20170261427A1
  • Filed: 03/14/2016
  • Published: 09/14/2017
  • Est. Priority Date: 03/14/2016
  • Status: Abandoned Application
First Claim
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1. An apparatus for optical detection of a presence and/or an amount of a target chemical, the apparatus comprising:

  • a first photodetector configured to detect light of a first wavelength that has interacted with the target chemical;

    a second photodetector configured to detect light of a second wavelength that has interacted with the target chemical; and

    a processing logic configured to;

    compute a ratio (R) between a first parameter indicative of at least an intensity of the light detected by the first photodetector (Int1) and a second parameter indicative of at least an intensity of the light detected by the second photodetector (Int2), anddetermine the presence and/or the amount of the target chemical based on the computed ratio.

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