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<p>The transition radiation from a relativistic electron Bessel beam has been theoretically investigated. The form factor determining the possibility of realizing intense coherent radiation from a Bessel beam has been calculated. The results for the hollow Bessel and Gaussian beams are compared. A target in the form of a two-dimensional planar photonic crystal is considered to analyze the transition radiation characteristics.</p>

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Coherent Transition Radiation of a Hollow Bessel Beam

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月1日

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  • D. Yu. Sergeeva,
  • A. A. Tishchenko

摘要

The transition radiation from a relativistic electron Bessel beam has been theoretically investigated. The form factor determining the possibility of realizing intense coherent radiation from a Bessel beam has been calculated. The results for the hollow Bessel and Gaussian beams are compared. A target in the form of a two-dimensional planar photonic crystal is considered to analyze the transition radiation characteristics.