Raman spectrometer using a remote probe with enhanced efficiency
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United States of America Patent
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Jul 9, 1996
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N/A
app pub date -
Sep 20, 1994
filing date -
Jul 15, 1994
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Expired
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Abstract
The invention relates to a Raman spectrometer connected by a bundle of optical fibers with an external probe to be attached on the surface of the sample with a laser beam for the excitation of Raman radiation within the sample with the laser radiation transported to the sample by one or several central optical fibers and with a collecting element which collects the Raman radiation of the sample and sends it through the optical fiber bundle to a Raman spectrometer to be analyzed. Upon the end of the optical fiber bundle different collecting elements may be attached with the transparent optical elements having the shape of a cylinder, a paraboloid or a truncated sphere. Thus, the spectrometer can be simply adapted to different samples for optimal collection of Raman light.
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