Grating optical diffraction radiation - Promising technique for non-invasive beam diagnostics

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

Результат исследований: Материалы для журнала

4 Цитирования (Scopus)

Аннотация

Two simple approaches for evaluating the transversal beam size using a slit and a grating are presented. A model for calculating the resonant diffraction radiation (RDR) characteristics from grating consisting of perfectly conducting strips spaced by vacuum gaps is developed. The proposed model allows calculating the RDR characteristics for a beam passing through a big slit between two gratings. It is noted that quasimonochromatic maxima appear in the RDR spectral-angular distribution, whose position is determined by the grating's period and observation geometry. The peak shape depends on the beam parameters. Having measured the RDR angular distribution at a fixed wavelength, one may evaluate the beam size using simple formulas obtained.

Язык оригиналаАнглийский
Страницы (с-по)201-211
Число страниц11
ЖурналNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Том201
Номер выпуска1
DOI
СостояниеОпубликовано - 1 янв 2003
СобытиеRREPS 2001 - Lake Aya, Российская Федерация
Продолжительность: 1 сен 20011 сен 2001

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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