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Probe assemblies for Raman spectroscopy

  • US 6,897,951 B2
  • Filed: 02/14/2003
  • Issued: 05/24/2005
  • Est. Priority Date: 02/14/2003
  • Status: Expired due to Fees
First Claim
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1. A Raman spectrometer probe comprising:

  • an input fiber through which radiation can propagate to irradiate a sample;

    a collection fiber through which radiation scattered by the sample can be coupled to a detector;

    an optical head assembly defining an input path and an output path, wherein the input path comprises at least one light directing element that receives excitation radiation from the input fiber and directs it to the sample and the output path further includes at least light collecting element that collects radiation scattered by the sample and couples the scattered radiation into the collection fiber;

    a sampling tube defining collinear input and output beam paths for transmitting light to a sample and collecting light scattered by the sample; and

    a removable end cap adapted to mate with the sampling tube and including a fluid impervious window.

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