22 April 1996 Laser action on a weak intercombination transition 4p4S3/2 -4 s2P3/2 in argon laser plasma
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Proceedings Volume 2773, Laser Optics '95: Gas Lasers; (1996) https://doi.org/10.1117/12.238510
Event: Laser Optics '95, 1995, St. Petersburg, Russian Federation
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.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. A. Babin, S. I. Kablukov, S. V. Khorev, D. A. Shapiro, "Laser action on a weak intercombination transition 4p4S3/2 -4 s2P3/2 in argon laser plasma", Proc. SPIE 2773, Laser Optics '95: Gas Lasers, (22 April 1996); doi: 10.1117/12.238510; https://doi.org/10.1117/12.238510
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