Reconstruction method for grating-based x-ray phase tomographic microscope

Ryosuke Ueda; Koh Hashimoto; Hidekazu Takano; Mingjian Cai; Atsushi Momose

doi:10.1117/12.2595498

4 October 2021 Reconstruction method for grating-based x-ray phase tomographic microscope

Ryosuke Ueda, Koh Hashimoto, Hidekazu Takano, Mingjian Cai, Atsushi Momose

Proceedings Volume 11840, Developments in X-Ray Tomography XIII; 118400F (2021) https://doi.org/10.1117/12.2595498
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

The phase imaging has a higher sensitivity for low-Z materials than conventional absorption imaging. We have developed a high-resolution X-ray phase microscope in combination with a Lau interferometer and used it for phase tomography. However, an existing method cannot avoid artifacts originating from the assumption of a two-beam interference model. In this study, we take a three-wave interference model into account to reduce the artifacts and propose a new method to attain phase tomography. In the presentation, we will demonstrate the reduction of the artifacts with the results of phase tomography.

Conference Presentation

Citation Download Citation

Ryosuke Ueda, Koh Hashimoto, Hidekazu Takano, Mingjian Cai, and Atsushi Momose "Reconstruction method for grating-based x-ray phase tomographic microscope", Proc. SPIE 11840, Developments in X-Ray Tomography XIII, 118400F (4 October 2021); https://doi.org/10.1117/12.2595498

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