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  • Received: Oct. 22, 2019

    Accepted: Jan. 3, 2020

    Posted: Apr. 10, 2020

    Published Online: Apr. 14, 2020

    The Author Email: Junyong Zhang (zhangjy829@siom.ac.cn), Jianqiang Zhu (jqzhu@siom.ac.cn)

    DOI: 10.3788/COL202018.041404

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    Xianghe Guan, Junyong Zhang, Yanli Zhang, Jianqiang Zhu. Generation of super-high-order petal-like laser beam using Theon-sieve resonator[J]. Chinese Optics Letters, 2020, 18(4): 041404

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Chinese Optics Letters, Vol. 18, Issue 4, 041404 (2020)

Generation of super-high-order petal-like laser beam using Theon-sieve resonator

Xianghe Guan1,2, Junyong Zhang1,*, Yanli Zhang1, and Jianqiang Zhu1,**

Author Affiliations

  • 1Key Laboratory of High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

The Laguerre–Gaussian (LG) mode beam has very important applications in many research fields. Here, the Theon sieve is first introduced into the laser resonator to generate petal-like laser beams by coherently superimposing two high-order LG modes. The effectiveness was verified by GLAD software. The petal-like laser beam is derived from the light field redistribution and coherent superposition caused by the diffraction effect of the Theon sieve. The relationship between the order of the petal-like laser and the cavity structures has also been investigated in detail. Light field operation in the laser cavity greatly simplifies the optical structure and is more beneficial to optical diagnostics and imaging.

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