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Author:

王金国 (王金国.) | 朱占达 (朱占达.) | 孙哲 (孙哲.) | 惠勇凌 (惠勇凌.) | 雷訇 (雷訇.) | 李强 (李强.) (Scholars:李强)

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CQVIP PKU CSCD

Abstract:

研究了半径随角度的变化而随机变化的圆孔波纹锯齿光阑的衍射特性,提出并证明半径随机的圆孔纹波锯齿光阑能改善光束的近场分布和抑制光束中央部分的衍射调制。给出了衍射光轴上和横截面内光强分布的模拟计算结果,通过计算结果可以看出:通过半径随机圆孔波纹锯齿光阑后,衍射光横截面内填充因子比经过调幅型波纹锯齿光阑后的填充因子高,调制强度比经过调幅型波纹锯齿光阑低,并且半径随机锯齿光阑能在较大的空间范围内抑制轴上光强的衍射调制,其可抑制的最远空间距离可达0.15 m。

Keyword:

半径随机锯齿光阑 调幅型波纹锯齿光阑 填充因子 大尺度衍射调制

Author Community:

  • [ 1 ] 北京工业大学激光工程研究院

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Source :

强激光与粒子束

Year: 2012

Issue: 08

Volume: 24

Page: 1801-1805

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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