title: 3D elemental sensitive imaging by full-field XFCT.
abstract: X-ray fluorescence computed tomography (XFCT) is a stimulated emission tomography modality that maps the three-dimensional (3D) distribution of elements. Generally, XFCT is done by scanning a pencil-beam across the sample. This paper presents a feasibility study of full-field XFCT (FF-XFCT) for 3D elemental imaging. The FF-XFCT consists of a pinhole collimator and X-ray imaging detector with no energy resolution. A prototype imaging system was set up at the Shanghai Synchrotron Radiation Facility (SSRF) for imaging the phantom. The first FF-XFCT experimental results are presented. The cadmium (Cd) and iodine (I) distributions were reconstructed. The results demonstrate FF-XFCT is fit for 3D elemental imaging and the sensitivity of FF-XFCT is higher than a conventional CT system.
authors.affiliation: Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Zhangheng Road 239, 201204 Shanghai, China. dengbiao@sinap.ac.cn tqxiao@sinap.ac.cn.
authors.forename: Biao
authors.initials: B
authors.lastname: Deng
authors.forename: Guohao
authors.initials: G
authors.lastname: Du
authors.forename: Guangzhao
authors.initials: G
authors.lastname: Zhou
authors.forename: Yudan
authors.initials: Y
authors.lastname: Wang
authors.forename: Yuqi
authors.initials: Y
authors.lastname: Ren
authors.forename: Rongchang
authors.initials: R
authors.lastname: Chen
authors.forename: Pengfei
authors.initials: P
authors.lastname: Sun
authors.forename: Honglan
authors.initials: H
authors.lastname: Xie
authors.forename: Tiqiao
authors.initials: T
authors.lastname: Xiao