Increased x-ray production efficiency from transition radiators utilizing a multiple-pass electron beam

M. A. Piestrup, L. W. Lombardo, J. T. Cremer, G. A. Retzlaff, R. M. Silzer, D. M. Skopik, V. V. Kaplin

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We have observed x-ray emission from transition radiators placed inside an electron storage ring. The radiators were thin (0.18-9 μm) and the electrons were of sufficient energy (118-252 MeV) so that the electrons passed through the radiators many times. This effectively increased the efficiency of the radiators (photons/electron). The electron-beam lifetime in the storage ring was measured, and used to determine the number of passes through each radiator. Multiple passes between 5 and 385 were observed, thus giving a corresponding increase in radiator efficiency. Five electron-beam energies (118, 151, 181, 213, and 252 MeV) were used on a variety of radiators consisting of both single and multiple foils and different materials (C, Al, Cu, Ta). The total output power and the spatial distribution of the x rays were measured. The emission pattern was the typical annular cone of transition radiation. Single-foil transition radiation was observed whose total output power was comparable to that of multiple-foil radiators composed of the same material. Thus, for this range of parameters, the product of the number of foils times the number of passes was a constant.

Original languageEnglish
Pages (from-to)2223-2229
Number of pages7
JournalReview of Scientific Instruments
Volume69
Issue number6
Publication statusPublished - 1998

Fingerprint

Radiators
radiators
Electron beams
electron beams
X rays
Metal foil
foils
x rays
Electrons
Storage rings
electrons
Radiation
output
radiation
Electron transitions
Spatial distribution
Cones
cones
spatial distribution
Photons

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Instrumentation

Cite this

Piestrup, M. A., Lombardo, L. W., Cremer, J. T., Retzlaff, G. A., Silzer, R. M., Skopik, D. M., & Kaplin, V. V. (1998). Increased x-ray production efficiency from transition radiators utilizing a multiple-pass electron beam. Review of Scientific Instruments, 69(6), 2223-2229.

Increased x-ray production efficiency from transition radiators utilizing a multiple-pass electron beam. / Piestrup, M. A.; Lombardo, L. W.; Cremer, J. T.; Retzlaff, G. A.; Silzer, R. M.; Skopik, D. M.; Kaplin, V. V.

In: Review of Scientific Instruments, Vol. 69, No. 6, 1998, p. 2223-2229.

Research output: Contribution to journalArticle

Piestrup, MA, Lombardo, LW, Cremer, JT, Retzlaff, GA, Silzer, RM, Skopik, DM & Kaplin, VV 1998, 'Increased x-ray production efficiency from transition radiators utilizing a multiple-pass electron beam', Review of Scientific Instruments, vol. 69, no. 6, pp. 2223-2229.
Piestrup MA, Lombardo LW, Cremer JT, Retzlaff GA, Silzer RM, Skopik DM et al. Increased x-ray production efficiency from transition radiators utilizing a multiple-pass electron beam. Review of Scientific Instruments. 1998;69(6):2223-2229.
Piestrup, M. A. ; Lombardo, L. W. ; Cremer, J. T. ; Retzlaff, G. A. ; Silzer, R. M. ; Skopik, D. M. ; Kaplin, V. V. / Increased x-ray production efficiency from transition radiators utilizing a multiple-pass electron beam. In: Review of Scientific Instruments. 1998 ; Vol. 69, No. 6. pp. 2223-2229.
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