Abstract

We have obtained temporally smooth, single-line megawatt output from the (0,0°,2) → [(1,0°,1), (0,2°,1)]I sequence band in an 1800-Torr CO2 double-discharge laser. These lines were first observed by Reid and Siemsen in a low-pressure discharge at subwatt power outputs [Appl. Phys. Lett. 29, 250 (1976)]. The intense 10-μm region laser transitions reported here may be useful for selective molecular excitation, for nonlinear optics experiments where wavelengths of the usual CO2 transitions are inappropriate, and for long-path atmospheric transmission.

© 1978 Optical Society of America

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