在做激光扩束聚焦时,�现一个问题:激光器扩束后,光束直径放大了,�散角也放大了,请问这个是什么原因啊 知乎 Template




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tomski在做激光扩束聚焦时,�现一个问题:激光器扩束后,光束直径放大了,�散角也放大了,请问这个是什么原因啊 知乎 coloring