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Proceedings Paper

Industrial chemical oxygen-iodine laser at Tokai University
Author(s): Masamori Endo; Daichi Sugimoto; Shuzaburo Takeda; Kenzo Nanri; Tomoo Fujioka
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Paper Abstract

Development of Chemical Oxygen-Iodine Laser (COIL) in Tokai University is described. From FY1996, we have conducted a three-year research project sponsored by NEDO (New Energy and industrial technology Development Organization), and it was finished in March 1999. As a result, high-efficiency operation (23.4%) of COIL with nitrogen as a buffer gas was demonstrated. Reduction of the vacuum pump size by the high- pressure subsonic mode operation with turbo blower was demonstrated. Specific energy reached to 3.5 J/liter. Output power stabilization/modulation technique by the external magnetic field was developed. Twisted Aerosol Singlet Oxygen Generator (TA-SOG) was tested and its performance was compared to liquid-jet SOG. TA-SOG was operated at the internal gas velocity of 85 m/s. Novel unstable resonator was developed with the aid of newly developed FFT code. We are now conducting a one-year project whose goal is a development of a 1 kW-class system capable of one-hour stable operation. Finally, three operation modes of future industrial COIL are proposed.

Paper Details

Date Published: 3 April 2000
PDF: 9 pages
Proc. SPIE 3889, Advanced High-Power Lasers, (3 April 2000); doi: 10.1117/12.380914
Show Author Affiliations
Masamori Endo, Tokai Univ. (Japan)
Daichi Sugimoto, Tokai Univ. (Japan)
Shuzaburo Takeda, Tokai Univ. (Japan)
Kenzo Nanri, Tokai Univ. (Japan)
Tomoo Fujioka, Tokai Univ. (Japan)

Published in SPIE Proceedings Vol. 3889:
Advanced High-Power Lasers
Marek Osinski; Howard T. Powell; Koichi Toyoda, Editor(s)

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