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VOLUME 20 (1974) | ISSUE 8 | PAGE 533
Coherent propagation of high-power light pulses through a medium under conditions of two-quantum interaction
We consider the evolution of high-power laser-radiation pulses under conditions of coherent two-quantum interaction with resonant media. We show that coherent effects are produced in the evolution of such pulses with frequencies oiL and cos, satisfying the equation ω, ±ω5 =ω2ί (ω:1 is the resonant frequency of the medium), and lead to a breakdown into individual subpulses with subsequent decrease in their duration and increase in power. The effectiveness of such a process depends on the initial ratio of the amplitudes and £s.