title: X-ray spectrometry using polycapillary X-ray optics and position sensitive detector.
abstract: Polycapillary X-ray optics (capillary X-ray lens) are now popular in X-ray fluorescence (XRF) analysis. Such an X-ray lens can collect X-rays emitted from an X-ray source in a large solid angle and form a very intense X-ray microbeam which is very convenient for microbeam X-ray fluorescence (MXRF) analysis giving low minimum detection limits (MDLs) in energy dispersive X-ray fluorescence (EDXRF). A new method called position sensitive X-ray spectrometry (PSXS) which combines an X-ray lens used to form an intense XRF source and a position sensitive detector (PSD) used for wavelength dispersive spectrometry (WDS) measurement was developed recently in the X-ray Optics Laboratory of Institute of Low Energy Nuclear Physics (ILENP) at Beijing Normal University. Such a method can give high energy and spacial resolution and high detection efficiency simultaneously. A short view of development of both the EDXRF using a capillary X-ray lens and the new PSXS is given in this paper.
authors.affiliation: Institute of Low Energy Nuclear Physics, Beijing Radiation Center, Beijing Normal University, Beijing 100875, PR China.
authors.forename: X
authors.initials: X
authors.lastname: Ding
authors.forename: J
authors.initials: J
authors.lastname: Xie
authors.forename: Y
authors.initials: Y
authors.lastname: He
authors.forename: Q
authors.initials: Q
authors.lastname: Pan
authors.forename: Y
authors.initials: Y
authors.lastname: Yan