From Event: SPIE Optical Engineering + Applications, 2016
We have launched a project to promote grating-based X-ray phase imaging/tomography extensively. Here, two main activities are presented for enabling dynamic, or four-dimensional, X-ray phase tomography and nanoscopic X-ray phase tomography by grating interferometry. For the former, while some demonstrations in this direction were performed with white synchrotron radiation, improvement in image quality by spectrum tuning is described. A preliminary result by a total reflection mirror is presented, and as a next step, preparation of a 10% bandpass filter by a multilayer mirror is reported. For the latter, X-ray microscopes available both at synchrotron radiation facilities and laboratories equipped with a Fresnel zone plate are combined with grating interferometry. Here, a preliminary result with a combination of a Lau interferometer and a laboratory-based X-ray microscope is presented.
Atsushi Momose, Hidekazu Takano, Masato Hoshino, Wataru Yashiro, and Yanlin Wu, "Development of grating-based x-ray phase tomography under the ERATO project," Proc. SPIE 9967, Developments in X-Ray Tomography X, 99671E (Presented at SPIE Optical Engineering + Applications: August 31, 2016; Published: 4 October 2016); https://doi.org/10.1117/12.2237117.
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