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<p>The purpose of this paper is to introduce the so-called Li’s flat-topped Gaussian vortex (LFTGV) beam as a novel vortex beam, generated by converting the conventional Li’s flattened Gaussian beam phase with the help of a spiral phase plate (SPP) tool. Using the Huygens-Fresnel principle integral, we investigate the behavior of the axial intensity of the LFTGV beam in a turbulent environment. To demonstrate how the turbulence strength, wavelength, beam order, and other factors affect the on-axis intensity, numerical simulations are conducted. The findings highlight the robustness and adaptability of the LFTGV beam, suggesting potential applications in free-space optical communication, optical trapping, imaging through turbid media, and other turbulence-resilient optical systems.</p>

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Intensity of the on-axis Li’s flat-topped Gaussian vortex beam as influenced by a turbulent environment

  • 期刊论文

  • 发表日期：

    2025年7月24日

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  • Fatiha Boufalah,
  • A. A. A. Ebrahim,
  • Lahcen Ez-zariy,
  • Latifa Dalil-Essakali,
  • Abdelmajid Belafhal

摘要

The purpose of this paper is to introduce the so-called Li’s flat-topped Gaussian vortex (LFTGV) beam as a novel vortex beam, generated by converting the conventional Li’s flattened Gaussian beam phase with the help of a spiral phase plate (SPP) tool. Using the Huygens-Fresnel principle integral, we investigate the behavior of the axial intensity of the LFTGV beam in a turbulent environment. To demonstrate how the turbulence strength, wavelength, beam order, and other factors affect the on-axis intensity, numerical simulations are conducted. The findings highlight the robustness and adaptability of the LFTGV beam, suggesting potential applications in free-space optical communication, optical trapping, imaging through turbid media, and other turbulence-resilient optical systems.