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Feng, Bing-Gang; Tao, Fen; Yang, Yi-Ming; Hu, Tao; Wang, Fei-Xiang; Du, Guo-Hao; Xue, Yan-Ling; Tong, Ya-Jun; Sun, Tian-Xi; Deng, Biao; Xiao, Ti-Qiao
Nuclear science and techniques, 06/2018, Letnik: 29, Številka: 6Journal Article
X-ray fluorescence microtomography (μXFCT) is a nondestructive analytical technique and has been widely used to nondestructively detect and quantify the elemental composition and distributions in samples. Usually, synchrotron radiation X-rays are used for μXFCT, due to its high flux density. In this paper, a laboratory-source-based μXFCT system was developed, in which a polycapillary lens is employed to focus the X-ray beam and improve the flux density. The maximum likelihood expectation maximization algorithm was used to reconstruct the computed tomography slices at a limited number of projections. The experimental results demonstrated that the developed system could reveal the elemental distribution inside the test sample, with an elemental sensitivity of 1000 ppm.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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