Fiber optic CCD spectrometer
AvaRaman System
Avantes
The raman technique is used to study vibrational modes in a system. It relies on inelastic scattering, or Raman scattering of monochromatic light, usually from a laser in the visible, near infrared or near ultraviolet range.
The laser light interacts with photons, resulting in the energy of the laser photons being shifted up or down. The figure to the right shows the Stokes and Anti-Stokes lines which can be measured with Raman spectroscopy. In general the Stokes lines are preferred/used since they are more intense.
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