Kinetics of the energy transformation in the discharge pumped XeCl laser

Yury I. Bychkov; Arkady G. Yastremsky; Sofiya A. Yampolskaya

doi:10.1117/12.785631

9 January 2008 Kinetics of the energy transformation in the discharge pumped XeCl laser

Yury I. Bychkov, Arkady G. Yastremsky, Sofiya A. Yampolskaya

Proceedings Volume 6938, Atomic and Molecular Pulsed Lasers VII; 69380K (2008) https://doi.org/10.1117/12.785631
Event: Atomic and Molecular Pulsed Lasers VII, 2007, Tomsk, Russian Federation

Abstract

A number of unique properties of the electric-discharge XeCl laser, like possibility to generate laser pulses with duration from single nanosecond to hundreds ns, continues to attract a research interest to that laser system. It follows from an analysis of the laser characteristics obtained by different groups throughout the world [1], conditions of the laser generation to a great extent influence the output laser characteristics. The highest laser efficiency of 4-5% with the specific radiation energy 2-3 J/l is achieved at the pulse durations of 200-100 ns and pumping power of ~0.5 MW/cm³. Laser regimes characterized by high radiation energy of 7-10 J/l, but lower efficiency of 1-3% has been realized at a pulse duration of ~50 ns and pumping power of 2-10 MW/cm³. An increase of the radiation power becomes possible in regimes with a short pumping pulse of 30-20 ns, but at the cost of the laser efficiency, which decreases to 2-3%. The aim of the present work was a search of some general (independent on the pumping regimes) relationships, which could be used as a guideline for the choice of the initial conditions for creation of lasers with desirable parameters. Computer modeling was used as a research method, since it allows to a full extent explore the relation between the output characteristics of a laser and the initial conditions.

Citation Download Citation

Yury I. Bychkov, Arkady G. Yastremsky, and Sofiya A. Yampolskaya "Kinetics of the energy transformation in the discharge pumped XeCl laser", Proc. SPIE 6938, Atomic and Molecular Pulsed Lasers VII, 69380K (9 January 2008); https://doi.org/10.1117/12.785631

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KEYWORDS

Molecules

Energy efficiency

Plasma

Xenon

Ions

Molecular lasers

Pulsed laser operation

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