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Atmospheric and Oceanic Optics

2020 year, number 3

Pulsed inductive IR Ar I laser

A.M. Razhev1,2, D.S. Churkin1,3, R.A. Tkachenko1
1Institute of Laser Physics SB RAS, Ac. Lavrentyev's prosp., 15B, Novosibirsk, 630090, Russia
2Novosibirsk State Technical University, 20, K. Marksa av., Novosibirsk, 630073, Russia
3National Research Novosibirsk State University, 1, Pirogov Str., Novosibirsk, 630090, Russia
Keywords: импульсный продольный индукционный разряд, ИК Ar I-лазер, спектр генерации, длительность импульса, pulsed longitudinal inductive discharge, IR Ar I laser, generation spectrum, pulse duration

Abstract

The results of experimental studies of the influence of pumping conditions on the spectral and temporal characteristics of IR Ar I laser radiation upon excitation of the active medium by a pulsed inductive longitudinal discharge are presented. The lasing was obtained at transitions of neutral argon atoms at wavelengths of 1213, 1240, 1270, 1694, and 1791 nm in pure argon and its mixtures with helium and neon. The optical pulses length was (5 ± 1) ns (FWHM); the radiation energy attained 0.1 mJ.