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https://hdl.handle.net/10316/20042
Title: | Characterization of an energy dispersive X-ray fluorescence imaging system based on a Micropattern Gaseous Detector | Authors: | Silva, A. L. M. Azevedo, C. D. R. Oliveira, C. A. B. Santos, J. M. F. dos Carvalho, M. L. Veloso, J. F. C. A. |
Keywords: | Gaseous detector; X-ray fluorescence; Spatial resolution; Energy Resolution; Energy Linearity | Issue Date: | May-2011 | Publisher: | Elsevier | Citation: | SILVA, A. L. M. [et. al.] - Characterization of an energy dispersive X-ray fluorescence imaging system based on a Micropattern Gaseous Detector. "Spectrochimica Acta Part B: Atomic Spectroscopy". ISSN 0584-8547. 66:5 (2011) 308–313 | Serial title, monograph or event: | Spectrochimica Acta Part B: Atomic Spectroscopy | Volume: | 66 | Issue: | 5 | Abstract: | An Energy Dispersive X-ray Fluorescence (EDXRF) imaging system based on a Micropattern Gas Detector has already shown good results for di erent applications. An X-ray tube, a pinhole camera and a Micro-Hole and Strip Plate (MHSP) based detector are the main components of the experimental system. The detector uses an MHSP in a Xe atmosphere at 1 bar, acting as a photon counting device, i.e., it is capable to record each single event retaining the energy and the interaction position (2D-sensitive detector) information of the incident photon, demonstrating to be a promising device for EDXRF imaging applications. This work presents studies of energy resolution, energy linearity and spatial resolution/elemental mapping as a function of image magni cation of the system. | URI: | https://hdl.handle.net/10316/20042 | ISSN: | 0584-8547 | DOI: | 10.1016/j.sab.2011.03.002 | Rights: | openAccess |
Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais |
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Characterization of an energy dispersive X-ray.pdf | 1.24 MB | Adobe PDF | View/Open |
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