Smith-Purcell effect as resonant diffraction radiation

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26 Citations (Scopus)

Abstract

The radiation of ultrarelativistic charged particle passing near a grating (Smith-Purcell radiation (SPR)) has been considered on the basis of a simple physical model, where SPR is treated as the resonant diffraction radiation (RDR). The apparent analogy between RDR and a well known resonant transition radiation has been used. The results have been compared with those obtained via other approaches. For an ultrarelativistic case it has been shown that the SPR intensity for a grating designed from strips separated by vacuum gaps sufficiently exceeds the one for traditional grating made up by a periodically deformed continuous surface.

Original languageEnglish
Pages (from-to)60-66
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume145
Issue number1-2
Publication statusPublished - 2 Oct 1998

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diffraction radiation
Diffraction
Radiation
gratings
radiation
radiant flux density
strip
charged particles
vacuum
Charged particles
Vacuum

Keywords

  • Grating
  • Monochromatic radiation
  • Relativistic electron

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Instrumentation
  • Surfaces and Interfaces

Cite this

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AB - The radiation of ultrarelativistic charged particle passing near a grating (Smith-Purcell radiation (SPR)) has been considered on the basis of a simple physical model, where SPR is treated as the resonant diffraction radiation (RDR). The apparent analogy between RDR and a well known resonant transition radiation has been used. The results have been compared with those obtained via other approaches. For an ultrarelativistic case it has been shown that the SPR intensity for a grating designed from strips separated by vacuum gaps sufficiently exceeds the one for traditional grating made up by a periodically deformed continuous surface.

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