Transient Plasma Photonic Crystals for High-Power Lasers.
PHYSICAL REVIEW LETTERS（2016）
摘要
A new type of transient photonic crystals for high-power lasers is presented. The crystal is produced by counterpropagating laser beams in plasma. Trapped electrons and electrically forced ions generate a strong density grating. The lifetime of the transient photonic crystal is determined by the ballistic motion of ions. The robustness of the photonic crystal allows one to manipulate high-intensity laser pulses. The scheme of the crystal is analyzed here by 1D Vlasov simulations. Reflection or transmission of high-power laser pulses are predicted by particle-in-cell simulations. It is shown that a transient plasma photonic crystal may act as a tunable mirror for intense laser pulses. Generalizations to 2D and 3D configurations are possible.
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关键词
transient plasma photonic crystals,high power lasers,one-dimensional periodic structures,tunable mirror,particle in cell simulations,laser pulse transmission,laser pulse reflection,1D Vlasov simulations,high-intensity laser pulses,ballistic ion motion,plasma density,density grating,electrically forced ions,trapped electrons,counterpropagating laser beams,light control,nonlinear structures,dispersive elements,Bragg mirrors,solid state photonic crystals,optical modes,photonic bandgaps,photonic band structures,optical wavelength,periodicity length,multi-dimensional periodic structures
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