Abstract

We report a steady-state Raman gain measurement of the Q10 transition v=10,J=00 in solid parahydrogen. We carry out measurements by pumping with a continuous-wave frequency-doubled YAG laser at 532 nm and observing the direct amplification of a probe-laser beam for the first Stokes transition at 683 nm. A large single-pass amplification coefficient of 2.3±0.2 is obtained at a pump intensity of 46 kW/cm2, with an interaction length of 1 cm, giving a steady-state Raman gain coefficient of 18±3 cm/MW.

© 2000 Optical Society of America

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