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Physics Letters A

Saturation and depletion in stimulated light scattering

Richard H. Enns, I. P. Batra

Published Jan 1, 1969• 25 citations
Publisher
DOI
10.1016/0375-9601(69)90126-1

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The saturation stage of stimulated orientational scattering (SOS) of light in thick planarly aligned nematic-liquid-crystal layers was observed and studied experimentally. The power efficiency of o-wave pump conversion exceeded 90%. Both saturation of transmitted pump power and cascading of SOS were observed. The latter indicated that, for higher than ∼50% conversion efficiencies, inverse conversion of the scattered e-polarized signal into wide-angle speckle, o-polarized background started to take place, leading to partial depletion of the primarily scattered e wave. Results were in good qualitative agreement with conventional SOS theory.