Diffusion-relaxed waveguide N2-lasers

Sergei V. Kukhlevsky; Ida Zs. Kozma

doi:10.1117/12.145284

1 October 1993 Diffusion-relaxed waveguide N2-lasers

Sergei V. Kukhlevsky, Ida Zs. Kozma

Author Affiliations +

Optical Engineering, Vol. 32, Issue 10, (October 1993). https://doi.org/10.1117/12.145284

Abstract

A small-bore diffusion relaxed N2-laser (P<200 Torr) with longitudinal and transverse excitation in single- and multichannel discharge configurations is developed. We show that the maximum repetition rate and specific average power of the laser are increased with the decrease of the characteristic transverse dimension of the discharge channel. An 8-kHz repetition rate and average power of 6.4 mW are obtained in very compact laser structures. A specific average power of about 160 mW/cm³ is achieved, that is a few times higher than that extracted from largebore plasma tubes. The laser with transverse excitation produces 30-kW pulses at 500 Hz. The waveguide effect in the laser channel and its influence on the spatial distribution and coherence of the laser radiation are also studied.

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Sergei V. Kukhlevsky and Ida Zs. Kozma "Diffusion-relaxed waveguide N2-lasers," Optical Engineering 32(10), (1 October 1993). https://doi.org/10.1117/12.145284

Published: 1 October 1993

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