Raman spectroscopy provides important information about
materials. When laser light hit a sample, a small percentage of the
scattered light may be shifted in frequency. The frequency shift of the
Raman scattered light is directly related to the properties of the
sample material. A Raman spectrum provides a “fingerprint” that is
unique to the material. Raman spectroscopy is employed in many
applications including mineralogy, pharmacology, corrosion studies,
analysis of semiconductors and catalysts, in situ measurements on
biological systems, and even single molecule detection.
1. A LASER source to excite the target (measured sample).
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