Coherent Anti-Stokes Raman Scattering

Raman spectroscopy provides additional chemical information on tissues such as lipids, water, and proteins. The Raman signal is extremely weak and in vivo Raman imaging not realistic due to long investigation times.

However, rapid Raman tissue imaging can be realized when using Coherent Anti-Stokes Raman Scattering (CARS). CARS requires the use of two overlapping NIR laser beams.

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