Acta Optica Sinica, Volume. 7, Issue 1, 27(1987)
Resonant self-focusing of two-frequency laser beams in plasmas
In this paper, we have studied theoretically the resonant Self-focusing of two-frequency laser beams in plasmas. From the plasma fluid equations, we have derived the expression of the nonlinear dieletric contants of plasmas driven by two-frequency laser beams and showed the effect of the ponderomotive force of the plasma waves. After giving the approximate solution of longitudinal electrostatic field, the characters of resonant Self-focusing are showed. Finally, the influence of resonant Self-focusing on particle aooeleration in beat wave accelerator also be discussed.
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XU TIEFONG, XU ZHIZHAN. Resonant self-focusing of two-frequency laser beams in plasmas[J]. Acta Optica Sinica, 1987, 7(1): 27