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

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

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4146..151z&link_type=abstract

Proc. SPIE Vol. 4146, p. 151-162, Soft X-Ray and EUV Imaging Systems, Winfried M. Kaiser; Richard H. Stulen; Eds.

Physics

Scientific paper

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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