Chinese Optics, Volume. 18, Issue 2, 216(2025)

Measurement of orbital angular momentum of vortex beam by topological charge difference

Hua-xin WANG, Tong WANG, and Han XIONG*
Author Affiliations
  • Key Laboratory of Efficient Low-carbon Energy Conversion and Utilization of Jiangsu Provincial Higher Education Institutions, School of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou 215009, China
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    References(26)

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    [15] NAN J H, HAN Y P. Dual-channel multiband vortex optical communication[J]. Acta Optica Sinica, 41, 1206001(2021).

    [16] [16] LU J N. Research on bital angular momentum measurement method of vtex beam[D]. Nanjing: Nanjing Nmal University, 2020. (in Chinese).

    [17] ZOU W K, YANG CH Y, HOU J. Measurement of topological charges for vortex beams using gradually-changing-period annular gratings[J]. Laser & Optoelectronics Progress, 56, 140501(2019).

    [20] YAN W X, CHEN ZH ZH, LONG X et al. Iso-propagation vortices with OAM-independent size and divergence toward future faster optical communications[J]. Advanced Photonics, 6, 049801(2024).

    [21] LIU SH ZH, SONG ZH J, HUANG X J. Transmission analysis of off-axis high order Bessel-Gaussian vortex beam[J]. Journal of Atmospheric and Environmental Optics, 14, 401-410(2019).

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    Hua-xin WANG, Tong WANG, Han XIONG. Measurement of orbital angular momentum of vortex beam by topological charge difference[J]. Chinese Optics, 2025, 18(2): 216

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    Paper Information

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    Received: Aug. 9, 2024

    Accepted: Oct. 18, 2024

    Published Online: May. 19, 2025

    The Author Email:

    DOI:10.37188/CO.2024-0141

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