The repetitively pulsed electro-discharge HF laser on chain chemical reaction F2+H2

M. A. Azarov; B. S. Alexandrov; A. V. Arsenjev; V. A. Drozdov; E. A. Klimuk; C. A. Kutumov; V. V. Sudarikov; G. A. Troshchinenko; B. Lacour

doi:10.1117/12.739400

26 April 2007 The repetitively pulsed electro-discharge HF laser on chain chemical reaction F₂+H₂

M. A. Azarov, B. S. Alexandrov, A. V. Arsenjev, V. A. Drozdov, E. A. Klimuk, C. A. Kutumov, V. V. Sudarikov, G. A. Troshchinenko, B. Lacour

Author Affiliations +

Proceedings Volume 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 63463P (2007) https://doi.org/10.1117/12.739400
Event: XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2006, Gmunden, Austria

Abstract

The experimental study of a repetitively pulsed chemical HF laser operating on a chain reaction F₂ +H₂, initiated by the barrier electrical discharge with the inter-electrode gap 10 cm, with length of active medium 40 cm along optical axis has been carried out. The barrier electrical discharge with duration about 120 ns has shown a high stability, reliability and homogeneity at specific energy deposits up to 60 J / 1. At the repetition pulses rate 10 Hz with the depleted fluorine-hydrogen mixture (20 % F₂, 5 % H₂), the mean laser power 500 W (a specific energy for one laser pulse E/V ≈ 11.6 J / 1, technical efficiency of 15.6 %) is achieved. In the single pulse mode of the laser operation with the mixture 30 % F₂, 12 % H₂ the maximum pulse energy E_max = 100 J, the specific radiation energy E/V = 24 J / 1, the technical efficiency &hookn;tech = 28.4 % are obtained.

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M. A. Azarov, B. S. Alexandrov, A. V. Arsenjev, V. A. Drozdov, E. A. Klimuk, C. A. Kutumov, V. V. Sudarikov, G. A. Troshchinenko, and B. Lacour "The repetitively pulsed electro-discharge HF laser on chain chemical reaction F₂+H₂", Proc. SPIE 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 63463P (26 April 2007); https://doi.org/10.1117/12.739400

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