Pulse-periodic chemical oxygen-iodine laser with active medium formation by volumetric electric discharge

S. D. Velikanov; V. G. Gorelov; I. V. Gostev; Ye. V. Ireshev; V. V. Kalinovsky; I. A. Komissarov; V. V. Konovalov; I. V. Konovalov; V. N. Mikhalkin; V. D. Nikolaev; I. V. Sevryugin; A. V. Smirnov; R. E. Sobolev; L. N. Shornikov

doi:10.1117/12.739385

30 April 2007 Pulse-periodic chemical oxygen-iodine laser with active medium formation by volumetric electric discharge

S. D. Velikanov, V. G. Gorelov, I. V. Gostev, Ye. V. Ireshev, V. V. Kalinovsky, I. A. Komissarov, V. V. Konovalov, I. V. Konovalov, V. N. Mikhalkin, V. D. Nikolaev, I. V. Sevryugin, A. V. Smirnov, R. E. Sobolev, L. N. Shornikov

Author Affiliations +

Proceedings Volume 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 63463F (2007) https://doi.org/10.1117/12.739385
Event: XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2006, Gmunden, Austria

Abstract

The paper describes a study of pulse-periodic operation of a chemical oxygen-iodine laser. The generator in use was of the jet type with high chlorine utilization degree (⩾97%). Atomic iodine was released by dissociating methyl-iodide (CH₃I) in volumetric electric discharge. Steady lasing was achieved at a repetition rate up to 30 Hz. The emission energy attained per individual pulse in a train was 1.1 J at a pulse energy repeatability of (3÷5) % and a specific energy extraction from the active medium of 1.7 J/L. The lasing pulse duration depended on the concentration of methyl-iodide and the energy deposited into discharge. The minimal half-height duration of pulses was achieved as 10 &mgr;m at a concentration of atomic iodine in the laser cavity ~1*10¹⁵ cm^-3.

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S. D. Velikanov, V. G. Gorelov, I. V. Gostev, Ye. V. Ireshev, V. V. Kalinovsky, I. A. Komissarov, V. V. Konovalov, I. V. Konovalov, V. N. Mikhalkin, V. D. Nikolaev, I. V. Sevryugin, A. V. Smirnov, R. E. Sobolev, and L. N. Shornikov "Pulse-periodic chemical oxygen-iodine laser with active medium formation by volumetric electric discharge", Proc. SPIE 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 63463F (30 April 2007); https://doi.org/10.1117/12.739385

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