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Proceedings Paper

Novel monochromatic x-ray generators and their applications to high-speed radiography
Author(s): Eiichi Sato; Rudolf Germer; Haruo Obara; Etsuro Tanaka; Hidezo Mori; Toshiaki Kawai; Takashi Inoue; Akira Ogawa; Mitsuru Izumisawa; Toshio Ichimaru; Kiyomi Takahashi; Shigehiro Sato; Kazuyoshi Takayama
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Paper Abstract

Novel monochromatic x-ray generators and their applications to high-speed radiography are described. The five generators are as follows: a weakly ionized linear plasma x-ray generator, a monochromatic compact flash x-ray generator, a super-fluorescent plasma generator, a cerium x-ray generator using a 3.0-mm-thick aluminum filter, and a 100micron-focus x-ray generator utilizing the filter. Using the linear plasma generator with a copper target, we observed clean K lines and their harmonics, and soft flash radiography was performed with pulse widths of approximately 500 ns. The compact monochromatic flash x-ray generator produced clean molybdenum K lines easily, and high-speed radiography was performed with pulse widths of approximately 100 ns. Using a steady-state cerium x-ray generator, we performed real-time angiography utilizing an image intensifier and a high-sensitive camera (MLX) made by NAC Image Technology Inc. with a capture time of 1 ms. Finally, real-time magnification radiography was performed by twofold magnification imaging using a 100micron-focus x-ray generator and the high-sensitive camera.

Paper Details

Date Published: 11 January 2007
PDF: 12 pages
Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 627906 (11 January 2007); doi: 10.1117/12.725056
Show Author Affiliations
Eiichi Sato, Iwate Medical Univ. (Japan)
Rudolf Germer, Technische Univ. Berlin (Germany)
Haruo Obara, Tohoku Univ. (Japan)
Etsuro Tanaka, Tokyo Univ. of Agriculture (Japan)
Hidezo Mori, National Cardiovascular Ctr. Research Institute (Japan)
Toshiaki Kawai, Hamamatsu Photonics, Inc. (Japan)
Takashi Inoue, Iwate Medical Univ. (Japan)
Akira Ogawa, Iwate Medical Univ. (Japan)
Mitsuru Izumisawa, Iwate Medical Univ. (Japan)
Toshio Ichimaru, Hirosaki Univ. (Japan)
Kiyomi Takahashi, Iwate Medical Univ. (Japan)
Shigehiro Sato, Iwate Medical Univ. (Japan)
Kazuyoshi Takayama, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 6279:
27th International Congress on High-Speed Photography and Photonics

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