High-pressure subsonic mode operation of chemical oxygen-iodine laser |
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| Authors: | F. Wani M. Endo T. Fujioka |
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| Affiliation: | (1) Department of Physics, School of Science, Tokai University, 1117 Kita-Kaname, Hiratsuka-City, Kanagawa Pref., 259-1292, Japan (Fax: +81-463/50-2013, E-mail: fumio@keyaki.cc.u-tokai.ac.jp), JP;(2) Department of Electro-Photo Optics, School of Engineering, Tokai University, 1117 Kita-Kaname, Hiratsuka-City, Kanagawa Pref., 259-1292, Japan (Fax: +81-463/58-7187), JP;(3) Opto Engineering Department, Kanto Technical Institute, Kawasaki Heavy Industries, Ltd., 118 Futatsuzuka, Noda-City, Chiba Pref., 278-8585, Japan (Fax: +81-471/24-5917, E-mail: wani_f@khi.co.jp), JP |
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| Abstract: | A new regime of chemical oxygen-iodine laser (COIL), high-pressure subsonic mode operation, was demonstrated using a jet-type singlet oxygen generator (SOG). The laser output power of 342 W with chemical efficiency of 20.9% was obtained at the Cl2 flow rate of 18 mmol/s and the operating pressure of 6.4 Torr in the laser cavity. The specific energy was 3.1 J/l which was four times higher than our supersonic device, and was comparable to the highest value for the supersonic regime. The experimental results were in good agreement with the numerical simulation results. Received: 26 February 1999 / Revised version: 13 July 1999 / Published online: 30 November 1999 |
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| Keywords: | PACS: 42.55.Ks 47.40.Dc |
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