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硬边光阑对多色矢量光束光谱开关的影响

赵光普, 吕百达

赵光普, 吕百达. 硬边光阑对多色矢量光束光谱开关的影响[J]. 激光技术, 2006, 30(2): 142-144,147.
引用本文: 赵光普, 吕百达. 硬边光阑对多色矢量光束光谱开关的影响[J]. 激光技术, 2006, 30(2): 142-144,147.
ZHAO Guang-pu, LÜ Bai-da. Influence of hard-edge aperture on the spectral switch of polychromatic vector beams[J]. LASER TECHNOLOGY, 2006, 30(2): 142-144,147.
Citation: ZHAO Guang-pu, LÜ Bai-da. Influence of hard-edge aperture on the spectral switch of polychromatic vector beams[J]. LASER TECHNOLOGY, 2006, 30(2): 142-144,147.

硬边光阑对多色矢量光束光谱开关的影响

基金项目: 

四川省教育厅重点项目基金资助项目(2003A166)

详细信息
    作者简介:

    赵光普(1963- ),男,研究员,博士研究生,现从事激光光学的教学与科研工作.

    通讯作者:

    吕百达,E-mail:badalu@scu.edu.cn

  • 中图分类号: TN012

Influence of hard-edge aperture on the spectral switch of polychromatic vector beams

  • 摘要: 从偏振矩阵和交叉谱密度传输公式出发,分析了硬边光阑对多色矢量高斯-谢尔模型光束轴上光谱开关的影响。结果表明,插入偏振片前,光谱开关的光谱跃迁量Δ随截断参数δ的增加而减少,光谱极小值Smin和位置zc/z0随δ的增加而增大。插入偏振片后,光谱开关随δ的变化规律与插入偏振片前的变化规律相同。但偏振片的旋转角度θ会对出现光谱开关的δ的范围产生影响。
    Abstract: Starting from the polarization matrix and propagation equation of the cross-spectral density matrix,a detailed study of the influence of hard-edge aperture on the spectral switch of polychromatic vector Gaussian-Schell model beams is performed.It is shown that before inserting a polarizer the transition height Δ of the spectral switch decreases,the minimum Smin and the critical position zc/z0 increase as the truncation parameter δ increases.After inserting the polarizer,the spectral switch varies with the truncation parameter δ in a similar way as the case without the polarizer.However,the polarization angle θ affects the range of the truncation parameter δ at which the spectral switch appears.
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出版历程
  • 收稿日期:  2004-11-28
  • 修回日期:  2005-05-18
  • 发布日期:  2006-03-24

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