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首页> 外文会议>Conference on Laser Weapons technology 24-25 April 2000 Orlando, USA >Adaptive correction of the focused beam in conditions with strong fluctuations of intensity
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Adaptive correction of the focused beam in conditions with strong fluctuations of intensity

机译：在强度剧烈波动的情况下对聚焦光束的自适应校正

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摘要

The adaptive correction was frequently treated as straightening of wavefront, if deal with recieving of the deformed wave. For adaptive focusing of beams the correction was considered as predistortion of wavefront. However with infringement of a condition smoothsness of wavefront, the situation varies. It is known, that dislocations of wavefront conterminous to points where instant meaning of intensity equal to zero, arise with distances approximately equal diffaraction length. With presence of scuh points the wavefront of a reference wave cannot be determined as a smooth one-coherent surface~1, therefore efficiency of adaptive systems with flexible mirrors begins to be reduced.
机译：如果涉及变形波的接收，则自适应校正经常被视为波前的拉直。对于光束的自适应聚焦，校正被视为波前的预失真。但是，由于侵犯了波前的条件平滑度，因此情况有所不同。众所周知，波前的错位对应于强度的即时含义为零的点，其距离大约等于衍射长度。由于存在尖点，因此无法将参考波的波前确定为光滑的单相干表面〜1，因此带有柔性镜的自适应系统的效率开始降低。

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