Amplification of Conically Diverging Laser Beams in the Gas Amplifier of the THL-100 Laser System


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Abstract

Amplification of conically diverging laser beams in the XeF(C-A) amplifier of the THL-100 hybrid laser system operating in the visible range (λ = 475 nm) is investigated experimentally and theoretically. Energies of 2 and 2.5 J are obtained experimentally and theoretically at the output from the XeF(C-A) amplifier for the chirped start pulse with energy of 0.8 mJ and duration of 2 ps. Patterns of changes of energy and spatial and temporal distribution of the amplified laser beam intensity are investigated theoretically. The maximal calculated energy density and the radiation pulse intensity are Wmax = 100 mJ/cm2 and Imax = 64 GW/cm2, respectively.

About the authors

N. G. Ivanov

Institute of High Current Electronics of the Siberian Branch of the Russian Academy of Sciences

Author for correspondence.
Email: Ivanov.ng@sibmail.com
Russian Federation, Tomsk

M. V. Ivanov

Institute of High Current Electronics of the Siberian Branch of the Russian Academy of Sciences

Email: Ivanov.ng@sibmail.com
Russian Federation, Tomsk

V. F. Losev

Institute of High Current Electronics of the Siberian Branch of the Russian Academy of Sciences; National Research Tomsk Polytechnic University

Email: Ivanov.ng@sibmail.com
Russian Federation, Tomsk; Tomsk

A. G. Yastremskii

Institute of High Current Electronics of the Siberian Branch of the Russian Academy of Sciences

Email: Ivanov.ng@sibmail.com
Russian Federation, Tomsk

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