通过理论计算与实验研究，详细分析了鬼光束（ghost beam）的传输与变换规律。研究了高功率激光系统中鬼光束聚焦形成的鬼点（ghost image）的位置与规避方法，在某高功率激光装置预放大系统...
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利用这种数据结构，作者编制了激光光学系统杂散光分析软件，针对两个实例建立了近轴鬼光束树。
Using this data structure, stray light analysis software of laser systems is programmed, the examples are given and the paraxial stray light binary trees are built.
分析了系统杂散光的来源，得出非成像光束对系统影响较大、平板玻璃窗产生的鬼像不容忽视的结论。
We analyzed the stray light source of system and drew a conclusion that non-image beam has great effect on system qualities and system ghost images caused by parallel Windows should not be ignored.
光学系统的杂散光极易在系统内形成多个鬼像，这不仅严重影响光束质量和传输特性，并可能对系统光学元件造成永久性损伤。
Stray light generated in optical system forms a lot of ghost images, which not only seriously influence the beam quality and propagation properties, but also damage optical components.
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