Abstract <p>A problem of nonstationary diffraction of a monopolar TM-polarized electromagnetic pulse with a flat front on a thin slit in a perfectly conducting screen has been considered. The computational experiment techniques have been used to show that if the slit width is much smaller than the spatial length of a pulse, then a field is formed behind the screen in the form of a cylindrical monopolar pulse, i.e., there is a transformation of the shape of the incident field front without changing its pattern (monopolarity).</p>

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The Transformation of a Flat Front of a Unipolar Radiation Pulse into a Cylindrical One

  • V. N. Kornienko,
  • V. V. Kulagin

摘要

Abstract

A problem of nonstationary diffraction of a monopolar TM-polarized electromagnetic pulse with a flat front on a thin slit in a perfectly conducting screen has been considered. The computational experiment techniques have been used to show that if the slit width is much smaller than the spatial length of a pulse, then a field is formed behind the screen in the form of a cylindrical monopolar pulse, i.e., there is a transformation of the shape of the incident field front without changing its pattern (monopolarity).