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HARD X-RAY PHASE-CONTRAST IMAGING

D.C.GAO A.POGANY A.W.STEVENSON T.GUREYEV S.W.WILKINS MAI ZHEN-HONG

Citation:

HARD X-RAY PHASE-CONTRAST IMAGING

D.C.GAO, A.POGANY, A.W.STEVENSON, T.GUREYEV, S.W.WILKINS, MAI ZHEN-HONG
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  • Conventional X-ray radiography is based on absorption contrast and assumes geome trical optics. An “in-line” method and theory of hard X-ray phase-contrast ima ging were introduced. The differences between the conventional X-ray absorption contrast image and the phase contrast image were distinguished by using radiogra phs of biological samples. The effect of X-ray source size on the image contrast was investigated. Moreover, the key parameters of absorption contrast image and phase contrast image were simulated theoretically and discussed.
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  • Abstract views:  6680
  • PDF Downloads:  695
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Publishing process
  • Received Date:  03 March 2000
  • Accepted Date:  11 June 2000
  • Published Online:  05 June 2000

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