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Atmospheric and Oceanic Optics

2018 year, number 3

Induction-heated metal vapor lasers

M.V. Trigub1,2, V.F. Fedorov3, D.V. Shiyanov1,2, G.S. Evtushenko1,2
1National Research Tomsk Polytechnic University, 1, Academician Zuev square, Tomsk, 634021, Russia
2V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 30, Lenin Avenue, Tomsk, 634050, Russia
3V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
Keywords: лазер на парах металлов, индукционный нагрев, традиционная накачка, емкостная накачка, газоразрядная трубка, metal vapor laser, induction heater, traditional excitation, capacitive excitation, gas discharge tube

Abstract

Results are presented of the development and study of metal vapors active elements using an induction heater, which is designed to create a required metal vapor concentration. The lasing was obtained at traditional (GDT with internal electrodes) and capacitive (capacitive barrier discharge) excitation of the laser medium; the average laser power was 20 mW. For the Cu-vapor active element under capacitive excitation, two generation pulses with a time delay of 50 ns were detected. Thus, within the limits of a single pump pulse, the lasing was obtained with a frequency of 20 MHz.