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Efficiency of a high pressure CO2laser pumped CH3F Raman laser

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3 Author(s)
Werling, U. ; Universität Regensburg, D-8400 regensburg, federal republic of Germany ; Wan, Chong‐Yi ; Renk, K.F.

An experimental investigation of the conversion efficiency of a high pressure CO2laser pumped CH3F Raman laser is reported. We show that resonance absorption of the CO2laser radiation in the CH3F gas can lead to a severe limitation of the efficiency. At CO2laser frequencies where the stimulated Raman action is strongest, a quantum efficiency for conversion of CO2laser radiation into far infrared radiation of the order of 0.1 is observed.

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Quantum Electronics, IEEE Journal of  (Volume:22 ,  Issue: 7 )