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Proceedings Paper

Compact 4-kHz XeF-laser with multisectional discharge gap
Author(s): A. V. Andramanov; S. A. Kabaev; Boris V. Lazhintsev; Vladimir A. Nor-Arevyan; V. D. Selemir
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Paper Abstract

An electric-discharge XeF-laser with a pulse repetition rate up to 4 kHz was developed. The laser electrode unit was made on the basis of plate-like electrodes with inductive-capacity discharge stabilization. The narrow discharge width ≤ 1 mm was realized. The buffer gases He and Ne with NF3 as the donor of fluorine were used. The specific pump energy per unit length of the active volume was 2 J/m. The maximum laser energy was 3 mJ by using He/Xe/NF3 and Ne/Xe/NF3 mixtures at the total pressure of 0.8 atm and 1.2 atm, respectively. The maximum laser efficiency was ≈ 0.73% The gas flow was formed with the help of a diametrical fan rotated by the direct-current motor with 80 W power. The gas velocity of 20 m/s in the interelectrode gap was achieved. The laser pulse energy for a pulse repetition rate up to 3.5...4 kHz was virtually equal to the laser pulse energy in the infrequently-repeating-pulse regime. The average output power of 12 W at the pulse repetition rate of 4 kHz was achieved. The relative root-mean-square pulse-to-pulse variation of the output energy σ = 2.5% was reached.

Paper Details

Date Published: 23 March 2005
PDF: 7 pages
Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); doi: 10.1117/12.611136
Show Author Affiliations
A. V. Andramanov, Russian Federal Nuclear Ctr. (Russia)
S. A. Kabaev, Russian Federal Nuclear Ctr. (Russia)
Boris V. Lazhintsev, Russian Federal Nuclear Ctr. (Russia)
Vladimir A. Nor-Arevyan, Russian Federal Nuclear Ctr. (Russia)
V. D. Selemir, Russian Federal Nuclear Ctr. (Russia)

Published in SPIE Proceedings Vol. 5777:
XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Jarmila Kodymova, Editor(s)

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