Linear polarization of diffraction radiation from slit and beam size determination

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Abstract

Polarization characteristics of diffraction radiation (DR) from a semi-infinite plane and a slit have been investigated. In contrast to transition radiation, where polarization is linear, DR possesses in the general case an elliptical polarization. The linear polarization degree of DR from a slit has a strong dependence on the impact parameter (the shortest distance between the particle trajectory and the slit center line). Measuring the linear polarization degree of optical DR one may obtain information regarding the transverse beam size. The estimation of a sensitivity of the proposed technique and comparison with other ones developed so far is discussed.

Original languageEnglish
Pages (from-to)161-171
Number of pages11
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume201
Issue number1
DOIs
Publication statusPublished - 1 Jan 2003
EventRREPS 2001 - Lake Aya, Russian Federation
Duration: 1 Sep 20011 Sep 2001

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Keywords

  • Beam diagnostics
  • Diffraction radiation
  • Stokes' parameters

ASJC Scopus subject areas

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

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