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强激光脉冲在完全电离的等离子体中的传输特征是激光与等离子体相互作用的一个热点课题，它对激光驱动的等离子体加速器、Ｘ射线激光器、惯性约束核聚变等都具有重要影响．事实上，在强激光的很多实际应用中，人们希望激光在尽可能长的传播距离内保持足够的强度．例如在激光驱
The transmission characteristics of intense laser pulses in a fully ionized plasma is a hot topic in the interaction between laser and plasma. It has an important effect on laser-driven plasma accelerators, X-ray lasers and inertial confinement fusion. In fact, in many practical applications of intense lasers, one hopes that the laser will maintain sufficient intensity over the longest possible propagation distance. For example, laser drive