Status of optical diffraction radiation experiment at KEK-ATF extraction line

Pavel Vladimirovich Karataev, S. Araki, R. Hamatsu, H. Hayano, T. Hirose, T. Muto, G. Naumenko, A. Potylitsyn, J. Urakawa

Research output: Contribution to journalConference article

5 Citations (Scopus)

Abstract

At KEK-ATF extraction line detailed investigation of backward optical diffraction radiation (ODR) and its implementation to transversal beam parameter diagnostics is planned. We designed and constructed a target chamber with a precise target movement mechanism, a precise laser alignment system and an optical system. The first step to achieve success in the experiment is the tuning of the optical system using backward optical transition radiation (OTR). We believe that, if we are able to measure OTR spectral-angular characteristics with a proper accuracy, we may obtain good results for ODR measurements as the OTR effect is well experimentally and theoretically studied. Therefore, the first stage of our experiment assumes the measurements of backward OTR to analyze all possible types of radiation coming from the target, which could be obstacles for the ODR measurements. In the first series of experiments we have found that the angular distribution of the detected optical radiation is strongly asymmetric. One of the possible reasons for the asymmetry is the synchrotron radiation contribution from bending or steering magnets.

Original languageEnglish
Pages (from-to)140-152
Number of pages13
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

Fingerprint

F-22 aircraft
diffraction radiation
optical transition
Diffraction
Radiation
Optical transitions
radiation
radiation measurement
Experiments
Optical systems
radiation effects
synchrotron radiation
magnets
angular distribution
chambers
alignment
tuning
asymmetry
Radiation effects
Angular distribution

Keywords

  • Diffraction radiation
  • Electron beam diagnostics
  • Transition radiation

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

Status of optical diffraction radiation experiment at KEK-ATF extraction line. / Karataev, Pavel Vladimirovich; Araki, S.; Hamatsu, R.; Hayano, H.; Hirose, T.; Muto, T.; Naumenko, G.; Potylitsyn, A.; Urakawa, J.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 201, No. 1, 01.01.2003, p. 140-152.

Research output: Contribution to journalConference article

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AU - Karataev, Pavel Vladimirovich

AU - Araki, S.

AU - Hamatsu, R.

AU - Hayano, H.

AU - Hirose, T.

AU - Muto, T.

AU - Naumenko, G.

AU - Potylitsyn, A.

AU - Urakawa, J.

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AB - At KEK-ATF extraction line detailed investigation of backward optical diffraction radiation (ODR) and its implementation to transversal beam parameter diagnostics is planned. We designed and constructed a target chamber with a precise target movement mechanism, a precise laser alignment system and an optical system. The first step to achieve success in the experiment is the tuning of the optical system using backward optical transition radiation (OTR). We believe that, if we are able to measure OTR spectral-angular characteristics with a proper accuracy, we may obtain good results for ODR measurements as the OTR effect is well experimentally and theoretically studied. Therefore, the first stage of our experiment assumes the measurements of backward OTR to analyze all possible types of radiation coming from the target, which could be obstacles for the ODR measurements. In the first series of experiments we have found that the angular distribution of the detected optical radiation is strongly asymmetric. One of the possible reasons for the asymmetry is the synchrotron radiation contribution from bending or steering magnets.

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