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Acta Optica Sinica, Volume. 44, Issue 10, 1026024(2024)

Generation and Propagation of Strongly Focused High-Order Spatiotemporal Optical Vortex

Ziqiang Yu1,3, Dewei Mo1, Fei Yu3,4, Qiwen Zhan1,2, and Jian Chen1,2、*
Author Affiliations
  • 1School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
  • 2Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China
  • 3The R&D Center for High Power Laser Components, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 4School of Physics and Optoelectronic Engineering, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, Zhejiang , China
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    Third-order Laguerre-Gaussian spatiotemporal vortex three-dimensional wavepacket. (a) Intensity distribution (isosurface at 50% of peak intensity); (b) phase distribution

    Fig. 1. Third-order Laguerre-Gaussian spatiotemporal vortex three-dimensional wavepacket. (a) Intensity distribution (isosurface at 50% of peak intensity); (b) phase distribution

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    Schematic diagram of strongly focusing

    Fig. 2. Schematic diagram of strongly focusing

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    Strongly focused wavepacket corresponding to third-order Laguerre-Gaussian mode spatiotemporal vortex. (a) Intensity distribution (isosurface at 30% of peak intensity); (b) phase distribution

    Fig. 3. Strongly focused wavepacket corresponding to third-order Laguerre-Gaussian mode spatiotemporal vortex. (a) Intensity distribution (isosurface at 30% of peak intensity); (b) phase distribution

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    Third-order preconditioned incident wavepacket and corresponding strongly focused wavepacket. (a) Intensity distribution and isosurface (50% of peak intensity) of incident wavepacket; (b) phase distribution of incident wavepacket; (c) intensity distribution and isosurface (30% of peak intensity) of strongly focused wavepacket; (d) phase distribution of strongly focused wavepacket

    Fig. 4. Third-order preconditioned incident wavepacket and corresponding strongly focused wavepacket. (a) Intensity distribution and isosurface (50% of peak intensity) of incident wavepacket; (b) phase distribution of incident wavepacket; (c) intensity distribution and isosurface (30% of peak intensity) of strongly focused wavepacket; (d) phase distribution of strongly focused wavepacket

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    Four-order preconditioned incident wavepacket and corresponding strongly focused wavepacket. (a) Intensity distribution and isosurface (50% of peak intensity) of incident wavepacket; (b) phase distribution of incident wavepacket; (c) intensity distribution and isosurface (30% of peak intensity) of strongly focused wavepacket; (d) phase distribution of strongly focused wavepacket

    Fig. 5. Four-order preconditioned incident wavepacket and corresponding strongly focused wavepacket. (a) Intensity distribution and isosurface (50% of peak intensity) of incident wavepacket; (b) phase distribution of incident wavepacket; (c) intensity distribution and isosurface (30% of peak intensity) of strongly focused wavepacket; (d) phase distribution of strongly focused wavepacket

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    Propagation of third-order highly confined spatiotemporal wavepacket. (a) Intensity distribution and isosurface (30% of peak intensity) of focused wavepacket at zf=λ; (b) intensity distribution and isosurface (30% of peak intensity) of focused wavepacket at zf=-λ; (c) phase distribution of focused wavepacket at zf=λ; (d) phase distribution of focused wavepacket at zf=-λ

    Fig. 6. Propagation of third-order highly confined spatiotemporal wavepacket. (a) Intensity distribution and isosurface (30% of peak intensity) of focused wavepacket at zf=λ; (b) intensity distribution and isosurface (30% of peak intensity) of focused wavepacket at zf=-λ; (c) phase distribution of focused wavepacket at zf=λ; (d) phase distribution of focused wavepacket at zf=-λ

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    Ziqiang Yu, Dewei Mo, Fei Yu, Qiwen Zhan, Jian Chen. Generation and Propagation of Strongly Focused High-Order Spatiotemporal Optical Vortex[J]. Acta Optica Sinica, 2024, 44(10): 1026024

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    Paper Information

    Category: Physical Optics

    Received: Dec. 4, 2023

    Accepted: Dec. 26, 2023

    Published Online: May. 6, 2024

    The Author Email: Jian Chen (cj@usst.edu.cn)

    DOI:10.3788/AOS231879

    CSTR:32393.14.AOS231879

    Topics

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