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Abstract <p>We proposes a design principle for a magnetic undulator using a magnetic film material—a long strip with a sinusoidal profile. The magnetic field of such a structure is calculated in three dimensions. The amplitude curves of the magnetic field strength are presented as a function of the profile period. The radiation emitted by a relativistic electron passing through the undulator’s magnetic field is estimated.</p>

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Magnetic Undulator in the Form of a Uniformly Magnetized Profiled Magnetic Strip for a Free-Electron Laser

  • 期刊论文

  • 发表日期：

    2026年6月18日

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  • M. A. Piatakov,
  • P. A. Polyakov

摘要

Abstract

We proposes a design principle for a magnetic undulator using a magnetic film material—a long strip with a sinusoidal profile. The magnetic field of such a structure is calculated in three dimensions. The amplitude curves of the magnetic field strength are presented as a function of the profile period. The radiation emitted by a relativistic electron passing through the undulator’s magnetic field is estimated.