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Proceedings Paper

Sub-picosecond petawatt class N2O laser system: mid-IR non-linear optics and new possibilities for high-energy physics
Author(s): V. M. Gordienko; V. T. Platonenko; S. G. Rykovanov; G. K. Vasiliev
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Paper Abstract

Progress on developing a petawatt laser source in 10&mgr;m region is described. Analysis of optical pumping N2O containing active media by pulsed multifrequency HF laser has been performed. It is shown that amplification of ultrashort pulses should be carried out in the gain band centered at 930cm-1. Amplification of seed ultrashort (~1ps) pulses in atmospheric and high pressure N2O (up to 5atm) amplifiers pumped by powerful pulsed HF chemical lasers is theoretically studied. It is shown that N2O atmospheric pressure amplifiers can be effectively used for production output energy of 1kJ. We discuss a simple add for subpicosecond N2O- laser system to generate joule-level 200 fs pulses with high temporal quality and an overall conversion efficiency of 80%. Petawatt class N2O laser could be prospective for strong-field physics applications and production of high energy proton beams upon irradiating gas jets.

Paper Details

Date Published: 25 July 2007
PDF: 10 pages
Proc. SPIE 6735, International Conference on Lasers, Applications, and Technologies 2007: High-Power Lasers and Applications, 67350L (25 July 2007); doi: 10.1117/12.753228
Show Author Affiliations
V. M. Gordienko, M.V. Lomonosov Moscow State Univ. (Russia)
V. T. Platonenko, M.V. Lomonosov Moscow State Univ. (Russia)
S. G. Rykovanov, M.V. Lomonosov Moscow State Univ. (Russia)
G. K. Vasiliev, Institute of Problems of Chemical Physics (Russia)

Published in SPIE Proceedings Vol. 6735:
International Conference on Lasers, Applications, and Technologies 2007: High-Power Lasers and Applications
Vladislav Panchenko; Vladimir Golubev; Andrey Ionin; Alexander Chumakov, Editor(s)

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