I. Y. Dodin, G. M. Fraiman

Institute of Applied Physics, Russian Academy of Science, Nizhnii Novgorod, Russia

Short laser pulses can be significantly amplified by Raman backscattering in a plasma within an oversized dielectric capillary. The capillary allows compensating diffraction spreading of the pulses and maintaining high amplification efficiency on traces larger than the diffraction length. Parame-ters of an experiment for laser pulses amplification in a capillary plasma are proposed.

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