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A Cell for Resonance Raman Excitation with Lasers in Liquids

Volume 25, Number 4 (Aug. 1971) Page 500-501

Kiefer, W.; Bernstein, H.J.

The experimental observation of the resonance Raman effect in solutions with laser excitation is restricted by the absorption of the sample. Due to the thermal lens effect it is not possible to get a sharp laser focus in highly absorbing media. Under ordinary circumstances one is required to compromise between absorption and emission of the scattered light—that means discovering optimal solution concentrations and suitable laser power or focusing conditions to get the smallest degradation of the laser beam.