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Chinese Journal of Lasers, Volume. 51, Issue 22, 2201008(2024)

Modal Decomposition and Coherence of Circular Flat-Topped Intensity Partially Coherent Beam

Jianhao Tang1,2, Xiaoqi Zhang1、*, Yanli Zhang1, Guowen Zhang1, Ruifeng Wang1, Ziang Chen1, and Jianqiang Zhu1、**
Author Affiliations
  • 1National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
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    One-dimensional intensity distribution under different values of N for I0=1 and w0=1

    Fig. 1. One-dimensional intensity distribution under different values of N for I0=1 and w0=1

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    Normalized mode weights λmn, which satisfy ∑m,nλmn =1

    Fig. 2. Normalized mode weights λmn, which satisfy ∑m,nλmn =1

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    Normalized intensity distributions. (a) Near-field intensity distribution; (b) far-field intensity distribution

    Fig. 3. Normalized intensity distributions. (a) Near-field intensity distribution; (b) far-field intensity distribution

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    One-dimensional curves of spatial coherence of points A, B, and C in near-field and spatial coherence function of uniformly correlated partially coherent beam

    Fig. 4. One-dimensional curves of spatial coherence of points A, B, and C in near-field and spatial coherence function of uniformly correlated partially coherent beam

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    Jianhao Tang, Xiaoqi Zhang, Yanli Zhang, Guowen Zhang, Ruifeng Wang, Ziang Chen, Jianqiang Zhu. Modal Decomposition and Coherence of Circular Flat-Topped Intensity Partially Coherent Beam[J]. Chinese Journal of Lasers, 2024, 51(22): 2201008

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    Paper Information

    Category: laser devices and laser physics

    Received: Jan. 15, 2024

    Accepted: Apr. 11, 2024

    Published Online: Nov. 17, 2024

    The Author Email: Xiaoqi Zhang (skcheung@siom.ac.cn), Jianqiang Zhu (jqzhu@siom.ac.cn)

    DOI:10.3788/CJL240493

    CSTR:32183.14.CJL240493

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology