Long pulse UV and VUV gas discharge lasers

Alexei N. Panchenko; Victor F. Tarasenko; Sofia A. Yampolskaya; Arkady G. Yastremsky

doi:10.1117/12.3009794

2 November 2023 Long pulse UV and VUV gas discharge lasers

Alexei N. Panchenko, Victor F. Tarasenko, Sofia A. Yampolskaya, Arkady G. Yastremsky

Proceedings Volume 12920, XVI International Conference on Pulsed Lasers and Laser Applications; 129200A (2023) https://doi.org/10.1117/12.3009794
Event: XVI International Conference on Pulsed Lasers and Laser Applications, 2023, Tomsk, Russian Federation

Abstract

Laser and discharge parameters in mixtures of rare gases with halogens driven by a pre-pulse-sustainer circuit technique are studied experimentally and theoretically. Inductive energy storage with semiconductor opening switch was used for the high-voltage pre-pulse formation. It was shown that the pre-pulse with a high amplitude and short rise-time along with sharp increase of discharge current and uniform preionization allow to form long-lived stable volume discharge in halogen containing gas mixtures. UV laser pulses with total duration up to 450 ns were easily obtained. Another way for development of a long-lived diffuse plasma was suggested. Diffuse discharge was formed in a sharply inhomogeneous electric field by run-away electrons when using high voltage pulses of ns duration Efficient VUV lasing was obtained at wavelengths from 148 to 193 nm on the transitions of hydrogen, fluorine and exciplex ArF* molecules in mixtures of rare gases with additions of hydrogen and fluorine at pressures up to 10 atm.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Alexei N. Panchenko, Victor F. Tarasenko, Sofia A. Yampolskaya, and Arkady G. Yastremsky "Long pulse UV and VUV gas discharge lasers", Proc. SPIE 12920, XVI International Conference on Pulsed Lasers and Laser Applications, 129200A (2 November 2023); https://doi.org/10.1117/12.3009794

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