Advanced applications of PXR at LEBRA, Nihon University

Y. Hayakawa; K. Hayakawa; M. Inagaki; T. Kuwada; A. Mori; K. Nakao; K. Nogami; T. Sakae; T. Sakai; I. Sato; Y. Takahashi; T. Tanaka

doi:10.1117/12.741898

2 May 2007 Advanced applications of PXR at LEBRA, Nihon University

Y. Hayakawa, K. Hayakawa, M. Inagaki, T. Kuwada, A. Mori, K. Nakao, K. Nogami, T. Sakae, T. Sakai, I. Sato, Y. Takahashi, T. Tanaka

Author Affiliations +

Proceedings Volume 6634, International Conference on Charged and Neutral Particles Channeling Phenomena II; 663411 (2007) https://doi.org/10.1117/12.741898
Event: International Conference on Charged and Neutral Particles Channeling Phenomena II, 2006, Rome, Italy

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.

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Y. Hayakawa, K. Hayakawa, M. Inagaki, T. Kuwada, A. Mori, K. Nakao, K. Nogami, T. Sakae, T. Sakai, I. Sato, Y. Takahashi, and T. Tanaka "Advanced applications of PXR at LEBRA, Nihon University", Proc. SPIE 6634, International Conference on Charged and Neutral Particles Channeling Phenomena II, 663411 (2 May 2007); https://doi.org/10.1117/12.741898

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