Investigation of resonant polarization radiation of relativistic electrons in gratings at small angles

A. N. Aleinik, O. V. Chefonov, B. N. Kalinin, G. A. Naumenko, A. P. Potylitsyn, G. A. Saruev, A. F. Sharafutdinov

Research output: Contribution to journalArticle

Abstract

The resonant optical polarization radiation (ROPR) in the Smith-Purcell geometry and the one from the inclined grating at the Tomsk synchrotron and 6-MeV microtron have been investigated. The polarization radiation was observed at 4.2° from the 200 MeV electron beam and at 5° from the 6.2 MeV electron beam. Two methods of measurement of ROPR maxima in these two cases have been used. In the first case (the experiment on synchrotron) we have fixed the wavelength of radiation using an optical filter; the orientation dependence of this radiation was measured. In this dependence we have observed two peaks of radiation from electrons in gold foil grating of 0.1 mm period. The first large peak is a zeroth order peak in direction of specular reflection, and the second one is the first-order peak of resonant polarization radiation. In the experiment on microtron the spectra of ROPR from aluminum foil strip grating of 0.2 mm period in the Smith-Purcell geometry were measured, and the peak of the first-order Smith-Purcell radiation in these spectra was observed. The comparison of data obtained with the simulation results has been performed.

Original languageEnglish
Pages (from-to)191-200
Number of pages10
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume201
Issue number1
DOIs
Publication statusPublished - Jan 2003
EventRREPS 2001 - Lake Aya, Russian Federation
Duration: 1 Sep 20011 Sep 2001

Fingerprint

gratings
Polarization
Radiation
Electrons
polarization
radiation
electrons
optical polarization
Light polarization
Synchrotrons
Electron beams
foils
synchrotrons
electron beams
Aluminum foil
Optical filters
specular reflection
Geometry
optical filters
geometry

Keywords

  • Grating
  • Relativistic electrons
  • Resonant radiation

ASJC Scopus subject areas

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

Cite this

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title = "Investigation of resonant polarization radiation of relativistic electrons in gratings at small angles",
abstract = "The resonant optical polarization radiation (ROPR) in the Smith-Purcell geometry and the one from the inclined grating at the Tomsk synchrotron and 6-MeV microtron have been investigated. The polarization radiation was observed at 4.2° from the 200 MeV electron beam and at 5° from the 6.2 MeV electron beam. Two methods of measurement of ROPR maxima in these two cases have been used. In the first case (the experiment on synchrotron) we have fixed the wavelength of radiation using an optical filter; the orientation dependence of this radiation was measured. In this dependence we have observed two peaks of radiation from electrons in gold foil grating of 0.1 mm period. The first large peak is a zeroth order peak in direction of specular reflection, and the second one is the first-order peak of resonant polarization radiation. In the experiment on microtron the spectra of ROPR from aluminum foil strip grating of 0.2 mm period in the Smith-Purcell geometry were measured, and the peak of the first-order Smith-Purcell radiation in these spectra was observed. The comparison of data obtained with the simulation results has been performed.",
keywords = "Grating, Relativistic electrons, Resonant radiation",
author = "Aleinik, {A. N.} and Chefonov, {O. V.} and Kalinin, {B. N.} and Naumenko, {G. A.} and Potylitsyn, {A. P.} and Saruev, {G. A.} and Sharafutdinov, {A. F.}",
year = "2003",
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TY - JOUR

T1 - Investigation of resonant polarization radiation of relativistic electrons in gratings at small angles

AU - Aleinik, A. N.

AU - Chefonov, O. V.

AU - Kalinin, B. N.

AU - Naumenko, G. A.

AU - Potylitsyn, A. P.

AU - Saruev, G. A.

AU - Sharafutdinov, A. F.

PY - 2003/1

Y1 - 2003/1

N2 - The resonant optical polarization radiation (ROPR) in the Smith-Purcell geometry and the one from the inclined grating at the Tomsk synchrotron and 6-MeV microtron have been investigated. The polarization radiation was observed at 4.2° from the 200 MeV electron beam and at 5° from the 6.2 MeV electron beam. Two methods of measurement of ROPR maxima in these two cases have been used. In the first case (the experiment on synchrotron) we have fixed the wavelength of radiation using an optical filter; the orientation dependence of this radiation was measured. In this dependence we have observed two peaks of radiation from electrons in gold foil grating of 0.1 mm period. The first large peak is a zeroth order peak in direction of specular reflection, and the second one is the first-order peak of resonant polarization radiation. In the experiment on microtron the spectra of ROPR from aluminum foil strip grating of 0.2 mm period in the Smith-Purcell geometry were measured, and the peak of the first-order Smith-Purcell radiation in these spectra was observed. The comparison of data obtained with the simulation results has been performed.

AB - The resonant optical polarization radiation (ROPR) in the Smith-Purcell geometry and the one from the inclined grating at the Tomsk synchrotron and 6-MeV microtron have been investigated. The polarization radiation was observed at 4.2° from the 200 MeV electron beam and at 5° from the 6.2 MeV electron beam. Two methods of measurement of ROPR maxima in these two cases have been used. In the first case (the experiment on synchrotron) we have fixed the wavelength of radiation using an optical filter; the orientation dependence of this radiation was measured. In this dependence we have observed two peaks of radiation from electrons in gold foil grating of 0.1 mm period. The first large peak is a zeroth order peak in direction of specular reflection, and the second one is the first-order peak of resonant polarization radiation. In the experiment on microtron the spectra of ROPR from aluminum foil strip grating of 0.2 mm period in the Smith-Purcell geometry were measured, and the peak of the first-order Smith-Purcell radiation in these spectra was observed. The comparison of data obtained with the simulation results has been performed.

KW - Grating

KW - Relativistic electrons

KW - Resonant radiation

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