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Proceedings Paper

Advanced applications of PXR at LEBRA, Nihon University
Author(s): Y. Hayakawa; K. Hayakawa; M. Inagaki; T. Kuwada; A. Mori; K. Nakao; K. Nogami; T. Sakae; T. Sakai; I. Sato; Y. Takahashi; T. Tanaka
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Paper Abstract

The monochromatic X-ray source based on parametric X-ray radiation (PXR) was developed by using Si(111) perfect crystals and the electron beam from the 125-MeV linac at Nihon University. Since the X-ray beam from the PXR system has a large exposure area with uniform flux density, the PXR-based source is suited for X-ray radiography. In addition to ordinary radiography, X-ray absorption spectroscopy and phase-contrast imaging have been developed as advanced applications of PXR. The absorption spectra of several samples were obtained using the energy dispersion of PXR, and the X-ray absorption fine structures (XAFS) were actually found in the spectra. With respect to phase-contrast imaging, refraction-contrast images have been obtained by using the X-ray diffraction in the (+, −, +) arrangement of perfect crystals. The high-contrast and the phase-reversal of the images taken in the experiment suggest that LEBRA-PXR has a high spatial coherence sufficient for phase-contrast imaging.

Paper Details

Date Published: 2 May 2007
PDF: 10 pages
Proc. SPIE 6634, International Conference on Charged and Neutral Particles Channeling Phenomena II, 663411 (2 May 2007); doi: 10.1117/12.741898
Show Author Affiliations
Y. Hayakawa, Nihon Univ., Funabashi (Japan)
K. Hayakawa, Nihon Univ., Funabashi (Japan)
M. Inagaki, Nihon Univ., Funabashi (Japan)
T. Kuwada, Nihon Univ., Funabashi (Japan)
A. Mori, Nihon Univ., Funabashi (Japan)
K. Nakao, Nihon Univ., Funabashi (Japan)
K. Nogami, Nihon Univ., Funabashi (Japan)
T. Sakae, Nihon Univ., Matsudo (Japan)
T. Sakai, Nihon Univ., Funabashi (Japan)
I. Sato, Nihon Univ., Funabashi (Japan)
Y. Takahashi, Nihon Univ., Tokyo (Japan)
T. Tanaka, Nihon Univ., Funabashi (Japan)


Published in SPIE Proceedings Vol. 6634:
International Conference on Charged and Neutral Particles Channeling Phenomena II

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