Parametric X-ray radiation as a novel source for X-ray imaging

被引：11

作者：

Takahashi, Yumiko ^{[1
]}

Hayakawa, Yasushi ^{[2
]}

Kuwada, Takao ^{[3
]}

Tanaka, Toshinari ^{[2
]}

Sakae, Toshiro ^{[3
]}

Nakao, Keisuke ^{[2
]}

Nogami, Kyoko ^{[2
]}

Imagaki, Manabu ^{[2
]}

Hayakawa, Ken ^{[2
]}

Sato, Isamu ^{[4
]}

机构：

[1] High Energy Accelerator Org, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, Japan

[2] Nihon Univ, Inst Quantum Sci, Funabashi, Chiba 2748501, Japan

[3] Nihon Univ, Sch Dent Matsudo, Chiba 2718587, Japan

[4] Nihon Univ, Res Inst Sci & Technol, Funabashi, Chiba 2748501, Japan

来源：

X-RAY SPECTROMETRY | 2012年 / 41卷 / 04期

关键词：

PXR;

D O I：

10.1002/xrs.2403

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A novel X-ray source based on parametric X-ray radiation (PXR) has been put into practical use at the Laboratory for Electron Beam Research and Application (LEBRA), Nihon University, Japan. The PXR beam has been generated from a Si single crystal irradiated by a 100-MeV electron beam from a linac at the LEBRA. In this study, phase-contrast imaging experiments using a diffraction-enhanced imaging (DEI) method have been carried out by using the parametric X-rays at an energy of 17.5?keV. The successful images obtained by the DEI method have shown detailed inner structures of soft biological tissues more clearly as compared with those by conventional absorption radiography. Given the significant properties of the LEBRA PXR source, i.e., compact system, large X-ray beam irradiation field of approximately 80?mm in diameter and quasi-monochromaticity, the result suggests a possible construction of a compact linac-driven PXR-DEI device and application to medical diagnoses. Copyright (c) 2012 John Wiley & Sons, Ltd.

引用

页码：210 / 215

页数：6

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