DUAL AND MULTI-WAVELENGTH SAMPLING PROBE FOR RAMAN SPECTROSCOPY
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United States of America Patent
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Issued Date -
Apr 26, 2012
app pub date -
Oct 26, 2010
filing date -
Oct 26, 2010
priority date (Note) -
Abandoned
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Abstract
In certain embodiments, the invention relates to optical probes and methods for conducting Raman spectroscopy of a material at multiple excitation wavelengths. The probes and methods utilize optical elements to focus outputs from a plurality of light sources or lasers onto a sample, collect backscattered light from the sample, separate Raman spectra from the backscattered light, and provide at least one output containing the spectra. By utilizing multiple excitation wavelengths, the probes and methods avoid Raman measurement issues that may occur due to, for example, fluorescence and/or luminescence.
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