Pressure dependence of laser oscillation and superfluorescent emission from an optically pumped CF4 laser |
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| Authors: | H Tashiro H Souma K Toyoda S Namba K Nagasaka |
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| Institution: | (1) Riken, The Institute of Physical and Chemical Research, Hirosawa, 351 Wako-shi, Saitama, Japan;(2) Department of Physics, Tokyo Science University, Kagurasaka, Chiyoda-ku, 115 Tokyo, Japan;(3) Present address: Ishikawajima-Harima Heavy Industries Co., Ltd., Tokyo, Japan |
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| Abstract: | Experiments on pressure dependence of a CF4 laser have been carried out to elucidate dynamic characteristics of CF4 molecules pumped by CO2 lasers. The results are followed by a model calculation which characterizes collisional quenching of the energy levels related to the stimulated emission. The enhancement of the laser output induced by buffer-gas addition, which was found under specific conditions, is discussed in relation to the competition between laser and superfluorescent emissions. |
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| Keywords: | 42 55 |
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