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Optics Letters

Tuning and saturation behavior of the anti-Stokes Raman laser

J. C. White, Don O. Henderson

Published Jan 1, 1983• 14 citations
Publisher

Abstract

The tuning and saturation behavior of the anti-Stokes Raman laser is examined experimentally for the first reported time in a Raman medium of inverted, metastable Tl* (6p(2)P degrees (3/2)). Two significant regions of saturation are identified that correspond to atomic saturation and pump depletion of the input laser field.
DOI
10.1364/ol.8.000015

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Threshold characteristics for an anti-Stokes Raman laser based on inverted, metastable TI * (6p(2)P degrees (3/2)) atoms are studied. Raman upconversion of a tunable dye laser at 535 to 378 nm is observed with an overall tuning range of 1125 cm(-1) for a single-pass laser device. The anti-Stokes pump-laser threshold varies inversely as the square of the detuning from the intermediate Raman level, except in a region ~50 cm(-1) to either side of the resonance, where the threshold is constant. These observations are explained in terms of group-velocity dispersion effects and are in good agreement with a simple theoretical model.
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