Low-energy electron-beam diagnostics based on the optical transition radiation

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

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A possibility of a few MeV electron beam diagnostics (Lorentz-factor ∼ 10) using polarization characteristics of the optical transition radiation (OTR) have been considered. Determination of the electron beam divergence have been performed with technique based on the OTR measurements. The technique is based on measuring the ratio R=Imin/Imax, where Imin(Imax) is the photon yield in the minimum (maximum) of OTR angular distribution. It is shown that the value of R can be obtained also from the measurement of the so-called ψ-scan of the OTR yield registered by a fixed detector with the aperture ≤γ-1 by varying the target tilt angle with respect to the electron-beam. The experiment carried out at 6.1 MeV Tomsk microtron has demonstrated the feasibility of the technique proposed.

Original languageEnglish
Pages (from-to)34-43
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

Fingerprint

Optical transitions
optical transition
Electron beams
electron beams
Radiation
radiation
radiation measurement
polarization characteristics
energy
Angular distribution
divergence
angular distribution
Photons
apertures
Polarization
Detectors
detectors
photons
Experiments

Keywords

  • Beam diagnostics
  • Relativistic electrons
  • Transition radiation

ASJC Scopus subject areas

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

Cite this

Low-energy electron-beam diagnostics based on the optical transition radiation. / Aleinik, A. N.; Chefonov, O. V.; Kalinin, B. N.; Naumenko, G. A.; Potylitsyn, A. P.; Saruev, G. A.; Sharafutdinov, A. F.; Wagner, W.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 201, No. 1, 01.2003, p. 34-43.

Research output: Contribution to journalArticle

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AU - Chefonov, O. V.

AU - Kalinin, B. N.

AU - Naumenko, G. A.

AU - Potylitsyn, A. P.

AU - Saruev, G. A.

AU - Sharafutdinov, A. F.

AU - Wagner, W.

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AB - A possibility of a few MeV electron beam diagnostics (Lorentz-factor ∼ 10) using polarization characteristics of the optical transition radiation (OTR) have been considered. Determination of the electron beam divergence have been performed with technique based on the OTR measurements. The technique is based on measuring the ratio R=Imin/Imax, where Imin(Imax) is the photon yield in the minimum (maximum) of OTR angular distribution. It is shown that the value of R can be obtained also from the measurement of the so-called ψ-scan of the OTR yield registered by a fixed detector with the aperture ≤γ-1 by varying the target tilt angle with respect to the electron-beam. The experiment carried out at 6.1 MeV Tomsk microtron has demonstrated the feasibility of the technique proposed.

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KW - Relativistic electrons

KW - Transition radiation

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