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

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=I_min/I_max, where I_min(I_max) 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 language	English
Pages (from-to)	34-43
Number of pages	10
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	201
Issue number	1
DOIs	https://doi.org/10.1016/S0168-583X(02)01745-7
Publication status	Published - Jan 2003

Keywords

Beam diagnostics
Relativistic electrons
Transition radiation

ASJC Scopus subject areas

Surfaces, Coatings and Films
Instrumentation
Surfaces and Interfaces

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10.1016/S0168-583X(02)01745-7

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Aleinik, A. N., Chefonov, O. V., Kalinin, B. N., Naumenko, G. A., Potylitsyn, A. P., Saruev, G. A., Sharafutdinov, A. F., & Wagner, W. (2003). Low-energy electron-beam diagnostics based on the optical transition radiation. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 201(1), 34-43. https://doi.org/10.1016/S0168-583X(02)01745-7

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 journal › Article › peer-review

Aleinik, AN, Chefonov, OV, Kalinin, BN, Naumenko, GA , Potylitsyn, AP, Saruev, GA, Sharafutdinov, AF & Wagner, W 2003, 'Low-energy electron-beam diagnostics based on the optical transition radiation', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 201, no. 1, pp. 34-43. https://doi.org/10.1016/S0168-583X(02)01745-7

Aleinik, A. N. ; Chefonov, O. V. ; Kalinin, B. N. ; Naumenko, G. A. ; Potylitsyn, A. P. ; Saruev, G. A. ; Sharafutdinov, A. F. ; Wagner, W. / Low-energy electron-beam diagnostics based on the optical transition radiation. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2003 ; Vol. 201, No. 1. pp. 34-43.

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title = "Low-energy electron-beam diagnostics based on the optical transition radiation",

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.",

keywords = "Beam diagnostics, Relativistic electrons, Transition 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.} and W. Wagner",

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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.

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.

KW - Beam diagnostics

KW - Relativistic electrons

KW - Transition radiation

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