Raman Frequency Shifters


For ordering please see

'How To Order'

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Raman shifters are used for downshifting the laser radiation frequency in order to generate powerful IR femtosecond pulses. Laser Support Services offers the RS range of Raman frequency shifters from Avesta.

Please read the attached pdf for more information.

Avesta RS Raman Shifters

The RS femtosecond Raman shifters employ a novel scheme. The scheme is based on Raman conversion of a chirped laser pulse with subsequent pulse compression. Compressed gases (hydrogen, methane, sulphur hexafluoride) and barium nitrate crystal are used as active media. The Raman frequency shift varies from 775 cm-1 for sulphur hexafluoride to 4155 cm-1 for hydrogen.

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