Efficient gas lasers pumped by generators with inductive energy storage

Victor F. Tarasenko; Alexei N. Panchenko; Alexei E. Tel'minov

doi:10.1117/12.782575

14 May 2008 Efficient gas lasers pumped by generators with inductive energy storage

Victor F. Tarasenko, Alexei N. Panchenko, Alexei E. Tel'minov

Proceedings Volume 7005, High-Power Laser Ablation VII; 70052S (2008) https://doi.org/10.1117/12.782575
Event: High-Power Laser Ablation 2008, 2008, Taos, New Mexico, United States

Abstract

Laser and discharge parameters in mixtures of rare gases with halogens driven by a pre-pulse-sustainer circuit technique are studied. 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 UV- and x-ray preionization allow to form long-lived stable discharge in halogen containing gas mixtures. Improvement of both pulse duration and output energy was achieved for XeCl-, XeF-, KrCl- and KrF excimer lasers. Maximal laser output was as high as 1 J at efficiency up to 4%. Increase both of the radiation power and laser pulse duration were achieved in N₂-NF₃ (SF₆) and He-F₂ (NF₃) gas mixtures, as well.

Citation Download Citation

Victor F. Tarasenko, Alexei N. Panchenko, and Alexei E. Tel'minov "Efficient gas lasers pumped by generators with inductive energy storage", Proc. SPIE 7005, High-Power Laser Ablation VII, 70052S (14 May 2008); https://doi.org/10.1117/12.782575

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