Compact, Low Cost Raman Monitor For Single Substances
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United States of America Patent
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Issued Date -
Mar 24, 2016
app pub date -
Nov 30, 2015
filing date -
Oct 24, 2006
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Abstract
Apparatus for performing Raman spectroscopy may include a first laser source having a first emission wavelength and a second laser source having a second emission wavelength. A separation between the first and second emission wavelengths may correspond to a width of a Raman band of a substance of interest. A switch may provide switching between the first and second laser sources. An ensemble of laser emitters may be provided. A Bragg grating element may receive laser light from the ensemble. An optical system may direct light from the Bragg grating element into an optical fiber. A combined beam through the optical fiber may contain light from each of the emitters.
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