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Proceedings Paper

Possible application of plasma x-ray source to clinical radiography
Author(s): Yukiko Nakajima; Eiichi Sato; Kenkichi Tanioka; Toshiyuki Kawai; Etsuro Tanaka; Waka Kobayashi; Yutaka Yamamoto; Mototsugu Fujii; Yoshiro Shinozaki; Yoshio Kan; Kazuyuki Hyodo; Masami Ando; Hidezo Mori
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Paper Abstract

Small amount of iodine contrast material in the small vessels can be efficiently detected by monochromatic synchrotron radiation (x-ray) tuned at just above k-edge of iodine (33 KeV). However, the serious disadvantage of the system is a high cost for the facility to obtain synchrotron radiation (x- ray). We are trying to apply a plasma x-ray source for this purpose. In this system, the high voltage main condenser is charged up to 60 KeV by a power supply. The electric charges in the condenser are discharged to the tube after triggering the cathode electrode. For a cerium plasma target, a highly intensified K(alpha) and K(beta) characteristic x-ray of cerium (34.6 KeV and 38.3 KeV) was produced, as bremsstrahlung x-ray was absorbed and converted into fluorescent x-ray. Plasma x- ray source might be an alternative of monochromatic synchrotron radiation for small vessel radiography.

Paper Details

Date Published: 17 April 2001
PDF: 8 pages
Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001); doi: 10.1117/12.424300
Show Author Affiliations
Yukiko Nakajima, Tokai Univ. School of Medicine (Japan)
Eiichi Sato, Tokai Univ. School of Medicine (Japan)
Kenkichi Tanioka, Iwate Medical Univ. (Japan)
Toshiyuki Kawai, NHK Science and Technical Research Labs. (Japan)
Etsuro Tanaka, Tokai Univ. School of Medicine (Japan)
Waka Kobayashi, Tokai Univ. School of Medicine (Japan)
Yutaka Yamamoto, Tokai Univ. School of Medicine (Japan)
Mototsugu Fujii, Tokai Univ. School of Medicine (Japan)
Yoshiro Shinozaki, Tokai Univ. School of Medicine (Japan)
Yoshio Kan, Tokai Univ. School of Medicine (Japan)
Kazuyuki Hyodo, Hamamatsu Photonic K.K. (Japan)
Masami Ando, Hamamatsu Photonic K.K. (Japan)
Hidezo Mori, Tokai Univ. School of Medinice (Japan)


Published in SPIE Proceedings Vol. 4183:
24th International Congress on High-Speed Photography and Photonics
Kazuyoshi Takayama; Tsutomo Saito; Harald Kleine; Eugene V. Timofeev, Editor(s)

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