Amplification of femtosecond optical pulses in a photolytically driven XeF(<i>C-A</i>) laser amplifier

V. Tcheremiskine; O. Uteza; V. Mislavskii; M. Sentis; L. Mikheev

doi:10.1117/12.738132

30 April 2007 Amplification of femtosecond optical pulses in a photolytically driven XeF(C-A) laser amplifier

V. Tcheremiskine, O. Uteza, V. Mislavskii, M. Sentis, L. Mikheev

Proceedings Volume 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 634613 (2007) https://doi.org/10.1117/12.738132
Event: XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2006, Gmunden, Austria

Abstract

Amplification of blue-green (470-490 nm) femtosecond pulses in a gaseous active medium of a photolytically driven XeF(C-A) laser amplifier is studied experimentally. The active medium is optically pumped by the vacuum-ultraviolet radiation from two large-area multichannel surface discharges initiated along opposite planes of the amplifier cavity. The amplification factors exceeding 100 are obtained in a multipass optical scheme in the regime of homogeneous gain distribution over a beam cross-section of up to 3 cm in diameter. A small-signal gain of 0.002 cm^-1 is observed at 488 nm for the continuous radiation of Ar-ion laser and for the 150 fs seed pulses as well. The registered spectra insure a good conservation of the temporal characteristics of amplified ultrashort pulses.

Citation Download Citation

V. Tcheremiskine, O. Uteza, V. Mislavskii, M. Sentis, and L. Mikheev "Amplification of femtosecond optical pulses in a photolytically driven XeF(C-A) laser amplifier", Proc. SPIE 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 634613 (30 April 2007); https://doi.org/10.1117/12.738132

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