Raman Gain

Optical Gain arising from stimulated Raman scattering.

Raman gain can occur in Transparent solid media, liquids and gases under the influence of intense pump Light and is used in Raman Amplifiers and Raman lasers. Its magnitude depends on the optical Frequency offset between pump and signal wave, to some smaller extent on the pump wavelength, and on material properties. Compared with Laser gain Raman gain requires higher pump intensities and/or longer interaction lengths, has substantially different saturation characteristics, and a gain Spectrum which depends on the Wavelength of the pump light.

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