Slab waveguide high-power pulsed rf-excited CO2 laser

Alexander I. Dutov; Igor Yu. Evstratov; Alexei A. Kuleshov; Sergei A. Motovilov; N. A. Novoselov; Victor E. Semenov; P. E. Smirnov; A. A. Sokolov; Michail S. Yur'ev

doi:10.1117/12.334429

22 December 1998 Slab waveguide high-power pulsed rf-excited CO₂ laser

Alexander I. Dutov, Igor Yu. Evstratov, Alexei A. Kuleshov, Sergei A. Motovilov, N. A. Novoselov, Victor E. Semenov, P. E. Smirnov, A. A. Sokolov, Michail S. Yur'ev

Author Affiliations +

Proceedings Volume 3574, XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference; (1998) https://doi.org/10.1117/12.334429
Event: Twelfth International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, 1998, St. Petersburg, Russian Federation

Abstract

Slab RF-excited pulsed CO₂-laser with the pumping frequency F equals 152 MHz, pulse duration in the range of 20 divided by 50 microsecond(s) , and pulse repetition rate f up to 100 Hz has been investigated. Output power, temporal shape of laser pulses, laser beam divergence were measured at the pumping power up to 400 W/cm³. Pulsed output power was varied in the range of 2 divided by 5 kW. The package of numerical simulation codes of pulse-repetition mode of slab CO₂ laser was created. It is shown that the maximum input power is significantly increased by the change of excitation frequency from 80 up to 150 MHz. The measured and numerical data are compared.

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Alexander I. Dutov, Igor Yu. Evstratov, Alexei A. Kuleshov, Sergei A. Motovilov, N. A. Novoselov, Victor E. Semenov, P. E. Smirnov, A. A. Sokolov, and Michail S. Yur'ev "Slab waveguide high-power pulsed rf-excited CO₂ laser", Proc. SPIE 3574, XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (22 December 1998); https://doi.org/10.1117/12.334429

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