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讨论了由光束自聚焦引起的细丝形成和光束分裂。为了克服自聚焦造成的破坏要求在光束传播中采用中继成像和空间滤波。
The filament formation and beam splitting caused by beam self-focusing are discussed. To overcome the damage caused by self-focusing requires the use of relay imaging and spatial filtering in beam propagation.