Phase-contrast x-ray computed tomography for biological imaging

Atsushi Momose; Tohoru Takeda; Yuji Itai

doi:10.1117/12.279352

24 October 1997 Phase-contrast x-ray computed tomography for biological imaging

Atsushi Momose, Tohoru Takeda, Yuji Itai

Proceedings Volume 3149, Developments in X-Ray Tomography; (1997) https://doi.org/10.1117/12.279352
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

We have shown so far that 3D structures in biological sot tissues such as cancer can be revealed by phase-contrast x- ray computed tomography using an x-ray interferometer. As a next step, we aim at applications of this technique to in vivo observation, including radiographic applications. For this purpose, the size of view field is desired to be more than a few centimeters. Therefore, a larger x-ray interferometer should be used with x-rays of higher energy. We have evaluated the optimal x-ray energy from an aspect of does as a function of sample size. Moreover, desired spatial resolution to an image sensor is discussed as functions of x-ray energy and sample size, basing on a requirement in the analysis of interference fringes.

Citation Download Citation

Atsushi Momose, Tohoru Takeda, and Yuji Itai "Phase-contrast x-ray computed tomography for biological imaging", Proc. SPIE 3149, Developments in X-Ray Tomography, (24 October 1997); https://doi.org/10.1117/12.279352

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