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Proceedings Paper

Laser action on a weak intercombination transition 4p4S3/2 - 4s2P3/2 in argon laser plasma
Author(s): S. A. Babin; S. I. Kablukov; S. V. Khorev; D. A. Shapiro
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Paper Abstract

Argon laser lines in the violet-blue spectral region have been studied experimentally. Cw generation has been demonstrated on a set of close lines: 438.4, 437.6, 437.1 and 436.2 nm, in particular, cw lasing on 438.4 and 436.2 nm being observed for the first time. Cw lasing has been also observed on 418.2 and 431.0 nm lines. The highest output appeared on the 438.4 nm line, which corresponds to weak quartet-doublet transition 4p4S3/2 -4 s2P3/2. Determined are the gain 10-4 cm-1, saturation parameter 6.5 kW/cm2, and the Einstein coefficient of this line. High power fundamental TEM00 mode operation has been achieved. It has been shown that a comparatively high output power is extracted due to a high pumping rate of the studied quartet level, comparable to that of the known 514.5 nm argon laser line.

Paper Details

Date Published: 22 April 1996
PDF: 6 pages
Proc. SPIE 2773, Laser Optics '95: Gas Lasers, (22 April 1996); doi: 10.1117/12.238510
Show Author Affiliations
S. A. Babin, Institute of Automation and Electrometry (Russia)
S. I. Kablukov, Institute of Automation and Electrometry (Russia)
S. V. Khorev, Institute of Automation and Electrometry (Russia)
D. A. Shapiro, Institute of Automation and Electrometry (Russia)

Published in SPIE Proceedings Vol. 2773:
Laser Optics '95: Gas Lasers
Inna M. Belousova, Editor(s)

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