Pulsed COIL with volume generation of iodine atoms in electric discharge

Nikolai N. Yuryshev; Nikolai P. Vagin; Aleksei F. Konoshenko; Vladimir S. Paziuk

doi:10.1117/12.465791

6 May 2002 Pulsed COIL with volume generation of iodine atoms in electric discharge

Nikolai N. Yuryshev, Nikolai P. Vagin, Aleksei F. Konoshenko, Vladimir S. Paziuk

Proceedings Volume 4631, Gas and Chemical Lasers and Intense Beam Applications III; (2002) https://doi.org/10.1117/12.465791
Event: High-Power Lasers and Applications, 2002, San Jose, California, United States

Abstract

The method of volume generation of iodine atoms to obtain the pulsed mode of COIL is the most effective by the ratio of pulsed power to cw one at the same flowrate of chemicals. The electric discharge is a very convenient tool to produce iodine atoms in an active medium. The electrical efficiency close to 100% was obtained when longitudinal glow discharge was used. The investigation of both influence of the discharge gap length on the performance of pulsed COIL initiated with longitudinal discharge and transverse discharge initiated pulsed COIL based on the Jet Singlet Oxygen Generator were performed. The lasing of Jet SOG based pulsed COIL has been obtained for the first time. The operation pressure of 17 Torr at oxygen partial pressure of 7 Torr in the laser cavity has been obtained The temperature parameters of active medium being under electric discharge initiation were analyzed. The active medium temperature growth was shown to be responsible for decrease of specific output energy in discharge initiated COIL unlike that for photolytic initiation.

Citation Download Citation

Nikolai N. Yuryshev, Nikolai P. Vagin, Aleksei F. Konoshenko, and Vladimir S. Paziuk "Pulsed COIL with volume generation of iodine atoms in electric discharge", Proc. SPIE 4631, Gas and Chemical Lasers and Intense Beam Applications III, (6 May 2002); https://doi.org/10.1117/12.465791

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