Please use this identifier to cite or link to this item: http://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
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: http://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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