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Proceedings Paper

Chemical oxygen-iodine laser with a centrifugal spray generator of singlet oxygen
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Paper Abstract

A chemical oxygen-iodine laser driven by the centrifugal spray generator of singlet oxygen was developed and experimentally studied. Modeling and experimental studies showed that the designed generator can produce singlet oxygen, O2(1Δg), with a high efficiency (chlorine utilization 0.68 - 0.87 and O2(1Δg) yield 0.35 - 0.7) even at very high generator pressures (25 - 70 kPa), which cannot be attained by other O2(1Δg) generators. This high-pressure operation should be beneficial for a pressure recovery system of the laser. Another specific feature of the generator is a very high BHP utilization (0.24-0.6). The developed separator can effectively remove even small droplets (> 1 μm) from gas at the generator exit. Preliminary experiments on the COIL driven the centrifugal spray generator provided the small signal gain up to 0.5 % cm-1.

Paper Details

Date Published: 15 November 2010
PDF: 9 pages
Proc. SPIE 7751, XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 77510H (15 November 2010); doi: 10.1117/12.880740
Show Author Affiliations
Otomar Špalek, Institute of Physics (Czech Republic)
Vít Jirásek, Institute of Physics (Czech Republic)
Miroslav Čenský, Institute of Physics (Czech Republic)
Jarmila Kodymová, Institute of Physics (Czech Republic)

Published in SPIE Proceedings Vol. 7751:
XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Tanja Dreischuh; Petar A. Atanasov; Nikola V. Sabotinov, Editor(s)

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