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Acta Optica Sinica, Volume. 43, Issue 12, 1201005(2023)

Influence of Quasi-Steady-State Self-Focusing Effect in Inhomogeneous Atmosphere on Beam Quality at TargetSurface

Qian Li, Tao Li, Jing Hu, and Xiaoling Ji*
Author Affiliations
  • College of Physics and Electronic Engineering, Sichuan Normal University, Chengdu 610068, Sichuan, China
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    References (28)
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    Beam width w and curvature radius Rvarying with time t' and propagation distance z. (a) Beam width w; (b) curvature radius R

    Fig. 1. Beam width w and curvature radius Rvarying with time t' and propagation distance z. (a) Beam width w; (b) curvature radius R

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    Focal shift Δ varying with timet' for different global coherence degrees α

    Fig. 2. Focal shift Δ varying with timet' for different global coherence degrees α

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    Modified focal length Fmod varying with timet' under different beam powers and global coherence degrees. (a) Beam power; (b) global coherence degree

    Fig. 3. Modified focal length Fmod varying with timet' under different beam powers and global coherence degrees. (a) Beam power; (b) global coherence degree

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    Beam width wmod varying with timet' and propagation distance z. (a) Steady-state modification; (b) quasi-steady-state modification

    Fig. 4. Beam width wmod varying with timet' and propagation distance z. (a) Steady-state modification; (b) quasi-steady-state modification

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    Beam width [w(z=L)] at target surface varying with timet'

    Fig. 5. Beam width [w(z=L)] at target surface varying with timet'

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    β varying with time t' and global coherence degree α. (a) Steady-state modification; (b) quasi-steady-state modification

    Fig. 6. β varying with time t' and global coherence degree α. (a) Steady-state modification; (b) quasi-steady-state modification

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    Qian Li, Tao Li, Jing Hu, Xiaoling Ji. Influence of Quasi-Steady-State Self-Focusing Effect in Inhomogeneous Atmosphere on Beam Quality at TargetSurface[J]. Acta Optica Sinica, 2023, 43(12): 1201005

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    Paper Information

    Category: Atmospheric Optics and Oceanic Optics

    Received: Sep. 30, 2022

    Accepted: Nov. 29, 2022

    Published Online: Jun. 20, 2023

    The Author Email: Xiaoling Ji (jiXL100@163.com)

    DOI:10.3788/AOS221775

    Topics

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