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Proceedings Paper

Scaling of strontium-vapor laser active volume
Author(s): A. N. Soldatov; Yu. P. Polunin
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Paper Abstract

Variations in the energy performance of a self-terminating Sr-vapor laser (SrVL) are examined. The active laser volume is varied between 20 and 650 cm3. A linear relation is revealed between the average power delivered by the SrVL and its active volume. The SrVL efficiency is found to increase with active volume and to be comparable with that of a copper-vapor laser for an active volume V = 650 cm3 (0.45 %). As the volume is increased, the total lasing pulse duration increases from 30 to 120 ns. The beam divergence problems associated with the use of a Fabry-Perot cavity or an unstable resonator of the telescopic type are discussed. A total average power of 13.5 W is obtained from V = 650 cm3 at a lasing PRR F = 19 kHz. The output power generated at different laser wavelengths is as follows: 10.4 W at λ = 6.456 μm, 2.6 W at λ = 3 μm, and 0.5 W at λ = 1 μm. The wavelength dependence of the lasing pulse duration is considered.

Paper Details

Date Published: 19 February 2008
PDF: 5 pages
Proc. SPIE 6938, Atomic and Molecular Pulsed Lasers VII, 69380N (19 February 2008); doi: 10.1117/12.785638
Show Author Affiliations
A. N. Soldatov, Tomsk State Univ. (Russia)
West Siberian Branch of Russian State Univ. for Innovation Technologies and Business (Russia)
Yu. P. Polunin, Tomsk State Univ. (Russia)


Published in SPIE Proceedings Vol. 6938:
Atomic and Molecular Pulsed Lasers VII

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