Sub-picosecond petawatt class N<sub>2</sub>O laser system: mid-IR non-linear optics and new possibilities for high-energy physics

V. M. Gordienko; V. T. Platonenko; S. G. Rykovanov; G. K. Vasiliev

doi:10.1117/12.753228

25 July 2007 Sub-picosecond petawatt class N₂O laser system: mid-IR non-linear optics and new possibilities for high-energy physics

V. M. Gordienko, V. T. Platonenko, S. G. Rykovanov, G. K. Vasiliev

Author Affiliations +

Proceedings Volume 6735, International Conference on Lasers, Applications, and Technologies 2007: High-Power Lasers and Applications; 67350L (2007) https://doi.org/10.1117/12.753228
Event: International Conference on Lasers, Applications, and Technologies '07, 2007, Minsk, Belarus

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.

Citation Download Citation

V. M. Gordienko, V. T. Platonenko, S. G. Rykovanov, and G. K. Vasiliev "Sub-picosecond petawatt class N₂O laser system: mid-IR non-linear optics and new possibilities for high-energy physics", Proc. SPIE 6735, International Conference on Lasers, Applications, and Technologies 2007: High-Power Lasers and Applications, 67350L (25 July 2007); https://doi.org/10.1117/12.753228

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