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We have studied a self-terminating bismuth-vapor laser at (lambda) equals 472.2 nm with an average output power of 58 mW. Laser action was observed across the entire gas-discharge tube at pulse repetition rates between 3.0 and 5.4 kHz. Laser operation at a moderate buffer-gas pressure (PNe approximately 100 Torr) is shown to be feasible. The pulse repetition rates at which laser action occurs are between 500 Hz and 14 kHz.
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Anatoly N. Soldatov, Andrey V. Lugovskoy, Yu. P. Polunin, A. S. Shumeiko, "Investigations of Bi vapor laser," Proc. SPIE 4747, International Conference on Atomic and Molecular Pulsed Lasers IV, (26 March 2002); https://doi.org/10.1117/12.460122