Removal of Water Vapor in a Mist Singlet Oxygen Generator for Chemical Oxygen Iodine Laser
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概要
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The mist singlet oxygen generator (Mist-SOG) for a chemical oxygen iodine laser (COIL) has been developed in order to increase basic hydrogen peroxide (BHP) utilization. It was clarified that the Mist-SOG generated much more water vapor than conventional SOGs because the heat capacity of BHP is small. The water vapor deactivates the excited iodine and depresses the laser power. Therefore, a jet-cold trap was developed in order to remove the water vapor while maintaining a minimum deactivation of singlet oxygen. In this method, a nozzle was used to spray chilled H2O2 at 238 K as a thin layer directly to the gas flow to achieve a large specific surface area for water vapor. As a result, the water vapor mole fraction was reduced to 7% from 18% with the BHP utilization of 21% at the Cl2 consumption rate of 3.5 mmol/s (Cl2 input flow rate of 8.0 mmol/s) for 65-μm-diameter BHP droplets.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2004-02-15
著者
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Nanri Kenzo
Department Of Physics Faculty Of Science Tokai University
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Muto Shigeki
Department Of Physics School Of Science Tokai University
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Endo Masamori
Department Of Physics School Of Science Tokai University
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Fujioka Tomoo
Department Of Electrical Engineering Faculty Of Engineering Keio University
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Endo Masamori
Department of Physics, School of Science, Tokai University, 1117 Kita-Kaname, Hiratsuka, Kanagawa 259-1292, Japan
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Muto Shigeki
Department of Physics, School of Science, Tokai University, 1117 Kita-Kaname, Hiratsuka, Kanagawa 259-1292, Japan
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Nanri Kenzo
Department of Physics, School of Science, Tokai University, 1117 Kita-Kaname, Hiratsuka, Kanagawa 259-1292, Japan
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Fujioka Tomoo
Department of Physics, School of Science, Tokai University, 1117 Kita-Kaname, Hiratsuka, Kanagawa 259-1292, Japan
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