J. Phys. IV France 104 (2003) 599
Phase-contrast microtomography using an X-ray interferometer having a 40- m analyzerA. Momose1, I. Koyama1, Y. Hamaishi1, H. Yoshikawa1, T. Takeda2, J. Wu2, Y. Itai2, , K. Takai3, K. Uesugi3 and Y. Suzuki3
1 Department of Applied Physics, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
2 Institute of Clinical Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
3 SPring-8, 1-1-1 Kouto, Mikazuki, Hyogo 679-5198, Japan
Phase-contrast X-ray tomographic experiment using a triple Laue-case (LLL) interferometer having a 40- m lamella which was fabricated to improve spatial resolution, was carried out using undulator X-rays at SPring-8, Japan. Three-dimensional images mapping the refractive index were measured for various animal tissues. Comparing the images with those obtained in previous experiments using conventional LLL interferometers having a 1-mm lamella, improvement in the spatial resolution was demonstrated in that histological structures, such as hepatic lobules in liver and tubules in kidney, were revealed.
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