Abstract
We have generated 50 mJ of 16.9-μm radiation by stimulated rotational Raman scattering in 3 atm of H2 gas pumped by a CO2 TEA-laser source. Threshold was reached by injection of a few microjoules of 16.9-μm radiation generated by four-wave mixing. We achieved 25% peak power, or 40% peak photon conversion efficiency.
© 1978 Optical Society of America
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