16 November 2010 Chemical oxygen-iodine laser with a centrifugal spray generator of singlet oxygen
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Proceedings Volume 7751, XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 77510H (2010); doi: 10.1117/12.880740
Event: 18th International Symposium on Gas Flow and Chemical Lasers and High Power Lasers, 2010, Sofia, Bulgaria
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.
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Otomar Špalek, Vít Jirásek, Miroslav Čenský, Jarmila Kodymová, "Chemical oxygen-iodine laser with a centrifugal spray generator of singlet oxygen", Proc. SPIE 7751, XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 77510H (16 November 2010); doi: 10.1117/12.880740; https://doi.org/10.1117/12.880740
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KEYWORDS
Chlorine

Iodine

Oxygen

Chemical lasers

Liquids

Helium

Throat

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