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23 August 1995 Laser action on infrared chlorine and oxygen atomic transitions using uranium fission fragment pumping
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Proceedings Volume 2619, International Conference on Atomic and Molecular Pulsed Laser; (1995) https://doi.org/10.1117/12.216920
Event: Second Conference on Pulsed Lasers: Pulsed Atomic and Molecular Transitions, 1995, Tomsk, Russian Federation
Abstract
Quasi-cw laser action with pulse duration up to 10 ms on the 1.59-, 2.45-micrometers atomic Cl transitions and 2.65-, 2.76-micrometers atomic O transitions was observed under uranium fission fragment pumping of atmospheric-pressure gas media. The mixtures of He, Ne, Ar with CCl4, CHCl3, CF2Cl2, C2F3Cl3, O2, NO, or CO were used. Nuclear pumping of high-pressure gas media at the 2.45- and 2.65-micrometers lines has been achieved for the first time. To our knowledge, the 2.76-micrometers line is a new laser line. The maximum energy parameters (output power of 130 W, power efficiency of about 0.2%) were measured for the 1.59-micrometers chlorine line in He/Ne/CCl4 (25000/25000/1) mixture at 2 atm pressure. The minimum laser threshold was observed for this line at the thermal neutron flux of 2 X 1013 n/cm2s.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. P. Melnikov and V. V. Porkhaev "Laser action on infrared chlorine and oxygen atomic transitions using uranium fission fragment pumping", Proc. SPIE 2619, International Conference on Atomic and Molecular Pulsed Laser, (23 August 1995); https://doi.org/10.1117/12.216920
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