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Abstract <p>We report a study of the intensity distribution of spiral light beams in the form of a closed curve, constructed using a holographic method and a spatial light modulator. The limitations imposed on the spatial spectrum of the beams formed by a liquid crystal phase spatial light modulator are determined. Along with a qualitative assessment of the experimentally obtained intensity distributions of the studied beams, the values of the mean square error, peak signal-to-noise ratio, and structural similarity coefficient are presented.</p>

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Formation of Spiral Light Beams in the Form of Closed Curves Using a Spatial Light Modulator

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • D. I. Kashapova,
  • D. V. Prokopova,
  • S. P. Kotova

摘要

Abstract

We report a study of the intensity distribution of spiral light beams in the form of a closed curve, constructed using a holographic method and a spatial light modulator. The limitations imposed on the spatial spectrum of the beams formed by a liquid crystal phase spatial light modulator are determined. Along with a qualitative assessment of the experimentally obtained intensity distributions of the studied beams, the values of the mean square error, peak signal-to-noise ratio, and structural similarity coefficient are presented.