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Proceedings Paper

Influence of some gaseous additives on gas-discharge parameters and laser performance of a volume-scaled MIR He-SrBr[sub]2[/sub] laser
Author(s): K. A. Temelkov; S. I. Slaveeva; L. Lyutov; N. K. Vuchkov
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Paper Abstract

An active volume scaling in bore and length of He-SrBr2 laser excited in nanosecond pulsed longitudinal discharge is carried out. The optimal temperature regime is found for laser oscillation at several different Sr atom and ion lines. Optimal discharge conditions, such as active zone diameter, vapor pressure, buffer-gas pressure, electrical excitation scheme parameters, average input power, pulse repetition frequency, are found. At multiline operation a record average output power of 4.30 W for the Sr atom lasers is obtained, more than 90 % of which is concentrated on the 6.45-μm Sr atom line. A new discharge tube with furtherly increased active volume in bore is developed. The effect of neon additive to the helium buffer gas on the gas and electron temperatures is investigated.

Paper Details

Date Published: 17 January 2011
PDF: 9 pages
Proc. SPIE 7747, 16th International School on Quantum Electronics: Laser Physics and Applications, 77471M (17 January 2011); doi: 10.1117/12.881588
Show Author Affiliations
K. A. Temelkov, Institute of Solid State Physics (Bulgaria)
S. I. Slaveeva, Institute of Solid State Physics (Bulgaria)
L. Lyutov, Univ. of Sofia (Bulgaria)
N. K. Vuchkov, Institute of Solid State Physics (Bulgaria)

Published in SPIE Proceedings Vol. 7747:
16th International School on Quantum Electronics: Laser Physics and Applications
Tanja Dreischuh; Dimitar Slavov, Editor(s)

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