Acta Optica Sinica, Volume. 23, Issue 4, 385(2003)
A Method of Eliminating Scattered Light in X-Ray Fluorescent Tomography
The imaging principle of X-ray fluorescent tomography and its application in microanalysis field are introduced simply . Not only fluorescence but also various scattered light are produced while high energy X rays interact with substance. In order to eliminate the influence of these scattered light to imaging result, a method is proposed in which a doubly focusing crystal monochromator is placed normal to the accident X rays to separate X-ray fluorescence from the background and focuse it to a point on the detector surface. The method not only enhances the intensity of X-ray fluorescence but also permits the use of a smaller detector.
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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. A Method of Eliminating Scattered Light in X-Ray Fluorescent Tomography[J]. Acta Optica Sinica, 2003, 23(4): 385