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Computed tomography for reconstructing refractive index distribution using an X-ray shearing interferometer

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4 Author(s)
Takeyama, A. ; Graduate Sch. of Eng., Osaka Prefecture Univ., Japan ; Sugimoto, S. ; Kikuta, H. ; Iwata, Koichi

This paper proposes a method to measure distribution of refractive index for X-rays. Spatial differentiation of phase of the X-ray transmitted through an object is detected using an X-ray shearing interferometer. From such data for different transmission directions we can reconstruct refractive index distribution inside the object using a modified algorithm for computer tomography. Reconstruction experiment is made with plastics as objects.

Published in:

SICE 2002. Proceedings of the 41st SICE Annual Conference  (Volume:4 )

Date of Conference:

5-7 Aug. 2002