激光放大系统采用离轴双程放大结构。

A structure of off-axes double passes amplifier is used.

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所编制出的程序可用于寻找激光放大系统中的任意高阶鬼像点。

Program designed can be used to calculate arbitrary order ghosts of a laser amplifier system.

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数值计算例表明，用快速汉克尔变换来模拟柱对称大型高功率激光放大系统中的光传输时，是一种非常有用的、快速的算法。

Numerical examples show that FHT is a useful fast algorithm to simulate the beam propagation through a large high power laser amplifier system with cylindrical symmetry.

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