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Proceedings Paper

Biomedical imaging by Talbot-type x-ray phase tomography
Author(s): Atsushi Momose; Wataru Yashiro; Masafumi Moritake; Yoshihiro Takeda; Kentaro Uesugi; Akihisa Takeuchi; Yoshio Suzuki; Makoto Tanaka; Tadashi Hattori
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Paper Abstract

An X-ray Talbot interferometer for X-ray phase imaging and tomography was constructed using an amplitude grating of a gold pattern 8 μm in pitch and 30 μm in height developed by X-ray lithography and gold electroplating. The effective area of the grating was 20 mm x 20 mm, and was fully illuminated by synchrotron radiation at beamline 20XU, SPring-8, Japan. Almost whole body of a fish 3 cm in length was observed by phase tomography. Resulting images obtained with 0.07 nm and 0.045 nm X-rays revealed organs with bones in the same view successfully. A preliminary result of the combination with an X-ray imaging microscope is also presented, which was attempted to attain a higher spatial resolution. Finally, prospects of the compatibility with a conventional X-ray generator are discussed for practical applications such as clinical diagnoses.

Paper Details

Date Published: 7 September 2006
PDF: 10 pages
Proc. SPIE 6318, Developments in X-Ray Tomography V, 63180T (7 September 2006); doi: 10.1117/12.678443
Show Author Affiliations
Atsushi Momose, The Univ. of Tokyo (Japan)
Wataru Yashiro, The Univ. of Tokyo (Japan)
Masafumi Moritake, The Univ. of Tokyo (Japan)
Yoshihiro Takeda, Univ. of Tsukuba (Japan)
Kentaro Uesugi, SPring-8/JASRI (Japan)
Akihisa Takeuchi, SPring-8/JASRI (Japan)
Yoshio Suzuki, SPring-8/JASRI (Japan)
Makoto Tanaka, Univ. of Hyogo (Japan)
Tadashi Hattori, Univ. of Hyogo (Japan)


Published in SPIE Proceedings Vol. 6318:
Developments in X-Ray Tomography V
Ulrich Bonse, Editor(s)

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