Effect of pulse slippage on resonant second harmonic generation of a short pulse laser in a plasma
作者： Nitikant , A K Sharma
DOI: 10.1088/0022-3727/37/7/007
关键词: Wiggler 、 Harmonic 、 Laser 、 Electromagnetic radiation 、 High harmonic generation 、 Physics 、 Ponderomotive force 、 Group velocity 、 Second-harmonic generation 、 Optics
摘要: The process of second harmonic generation an intense short pulse laser in a plasma is resonantly enhanced by the application magnetic wiggler. wiggler suitable wave number provides necessary momentum to photons make resonant process. imparts oscillatory velocity electrons and exerts longitudinal ponderomotive force on them at , where ω1 are frequency laser, respectively. As acquire harmonic, field beats with it produce transverse current driving electromagnetic radiation. However, group greater than that fundamental wave, hence, generated slips out main its amplitude saturates.
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