Optimization of air gap for two-dimensional imaging system using synchrotron radiation

Tsutomu Zeniya; Tohoru Takeda; Quanwen Yu; Kazuyuki Hyodo; Tetsuya Yuasa; Yuji Aiyoshi; Yukio Hiranaka; Yuji Itai; Takao Akatsuka

doi:10.1117/12.406668

8 November 2000 Optimization of air gap for two-dimensional imaging system using synchrotron radiation

Tsutomu Zeniya, Tohoru Takeda, Quanwen Yu, Kazuyuki Hyodo, Tetsuya Yuasa, Yuji Aiyoshi, Yukio Hiranaka, Yuji Itai, Takao Akatsuka

Author Affiliations +

Proceedings Volume 4146, Soft X-Ray and EUV Imaging Systems; (2000) https://doi.org/10.1117/12.406668
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

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.

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Tsutomu Zeniya, Tsutomu Zeniya, Tohoru Takeda, Tohoru Takeda, Quanwen Yu, Quanwen Yu, Kazuyuki Hyodo, Kazuyuki Hyodo, Tetsuya Yuasa, Tetsuya Yuasa, Yuji Aiyoshi, Yuji Aiyoshi, Yukio Hiranaka, Yukio Hiranaka, Yuji Itai, Yuji Itai, Takao Akatsuka, Takao Akatsuka, } "Optimization of air gap for two-dimensional imaging system using synchrotron radiation", Proc. SPIE 4146, Soft X-Ray and EUV Imaging Systems, (8 November 2000); doi: 10.1117/12.406668; https://doi.org/10.1117/12.406668

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