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Proceedings Paper

Parametric gain measurement in grid nozzle multi-kW supersonic COIL
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Paper Abstract

Laser medium parameters of multi-kW grid nozzle supersonic Chemical Oxygen Iodine Laser (COIL) were experimentally studied. Small-signal gain (SSG) diagnostics was done by a narrow line width tunable laser by scanning 1 GHz range around (2P1/2 ) - (2P3/2) spin-orbit transition line of atomic iodine. SSG was investigated as a function of Mach number and gas flow rates. Modeling of gain for different flow conditions was done as well. Multi-kW COIL device was recently developed in Miki Pulley Co., Ltd. (Japan) and has 37.5 cm length of active medium.

Paper Details

Date Published: 5 June 2003
PDF: 5 pages
Proc. SPIE 4971, Gas and Chemical Lasers and Intense Beam Applications IV, (5 June 2003); doi: 10.1117/12.479846
Show Author Affiliations
Oleg B. Vyskubenko, Miki Pulley Co., Ltd. (Japan)
Kazuyoku Tei, Miki Pulley Co., Ltd. (Japan)
Tadashi Ito, Miki Pulley Co., Ltd. (Japan)
Goro Watanabe, Miki Pulley Co., Ltd. (Japan)
Daichi Sugimoto, Miki Pulley Co., Ltd. (Japan)
Noriyuki Takeuchi, Miki Pulley Co., Ltd. (Japan)
Tomoo Fujioka, Tokai Univ. (Japan)


Published in SPIE Proceedings Vol. 4971:
Gas and Chemical Lasers and Intense Beam Applications IV
Steven J. Davis; Michael C. Heaven, Editor(s)

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