J. Phys. IV France 104 (2003) 599
DOI: 10.1051/jp4:20030153

Phase-contrast microtomography using an X-ray interferometer having a 40- m analyzer

A. Momose¹, I. Koyama¹, Y. Hamaishi¹, H. Yoshikawa¹, T. Takeda², J. Wu², Y. Itai², , K. Takai³, K. Uesugi³ and Y. Suzuki<sup>3

1</sup>  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

Abstract
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.

© EDP Sciences 2003