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Proceedings Paper

Optimization of air gap for two-dimensional imaging system using synchrotron radiation
Author(s): Tsutomu Zeniya; Tohoru Takeda; Quanwen Yu; Kazuyuki Hyodo; Tetsuya Yuasa; Yuji Aiyoshi; Yukio Hiranaka; Yuji Itai; Takao Akatsuka
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Paper Abstract

Since synchrotron radiation (SR) has several excellent properties such as high brilliance, broad continuous energy spectrum and small divergence, we can obtain x-ray images with high contrast and high spatial resolution by using of SR. In 2D imaging using SR, air gap method is very effective to reduce the scatter contamination. However, to use air gap method, the geometrical effect of finite source size of SR must be considered because spatial resolution of image is degraded by air gap. For 2D x-ray imaging with SR, x-ray mammography was chosen to examine the effect of air gap method. We theoretically discussed the optimization of air gap distance suing effective scatter point source model proposed by Muntz, and executed experiment with a newly manufactured monochromator with asymmetrical reflection and an imaging plate.

Paper Details

Date Published: 8 November 2000
PDF: 12 pages
Proc. SPIE 4146, Soft X-Ray and EUV Imaging Systems, (8 November 2000); doi: 10.1117/12.406668
Show Author Affiliations
Tsutomu Zeniya, Yamagata Univ. (Japan)
Tohoru Takeda, Univ. of Tsukuba (Japan)
Quanwen Yu, Yamagata Univ. (Japan)
Kazuyuki Hyodo, High Energy Accelerator Research Organization (Japan)
Tetsuya Yuasa, Yamagata Univ. (Japan)
Yuji Aiyoshi, Univ. of Tsukuba (Japan)
Yukio Hiranaka, Yamagata Univ. (Japan)
Yuji Itai, Univ. of Tsukuba (Japan)
Takao Akatsuka, Yamagata Univ. (Japan)

Published in SPIE Proceedings Vol. 4146:
Soft X-Ray and EUV Imaging Systems
Winfried M. Kaiser; Richard H. Stulen, Editor(s)

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