Please use this identifier to cite or link to this item: http://hdl.handle.net/11400/4314
Title: Investigation of the effect of the scintillator material on the overall X-ray detection system performance by application of analytical models
Authors: Ευθυμίου, Ν.
Καλύβας, Νεκτάριος Ι.
Πατατούκας, Γ.
Κωνσταντινίδης, Αναστάσιος Χ.
Βαλαής, Ιωάννης Γ.
Contributors: Νικολόπουλος, Δημήτριος Σ.
Γαϊτάνης, Αναστάσιος
Ντάβιντ, Στράτος Λ.
Μιχαήλ, Χρήστος Μ.
Λουντός, Γεώργιος
Κάβουρας, Διονύσης Α.
Παναγιωτάκης, Γεώργιος Σ.
Κανδαράκης, Ιωάννης Σ.
Item type: Journal article
Keywords: X-ray spectra;Imaging systems--Image quality--Congresses;Φάσμα ακτίνων Χ;Ποιότητα εικόνας
Subjects: Medicine
Physics
Ιατρική
Φυσική
Issue Date: 20-Jan-2015
2007
Date of availability: 20-Jan-2015
Publisher: Elsevier Science Ltd
Abstract: The purpose of the present work was to model a modern X-ray detection system and to investigate the effect of the scintillator material on the detector's output signal. The scintillators were used in the form of screens. The parameters investigated were the Modulation Transfer Function (MTF), the Detective Quantum Efficiency (DQE) and the Energy Absorption Efficiency (EAE). The results for some well-known scintillators (Y3Al5O12:Ce, Y2O3:Eu, ZnSCdS:Ag, Lu3Al5O7, CdWO4) are presented. Typical radiographic conditions were considered as input parameters. For simulation purposes, the intrinsic conversion efficiency (ηc), the total number of optical photons produced per incident X-ray (m0), the attenuation coefficients and other optical parameters of the scintillator materials, were taken as input data. The complete simulation procedure was performed in a specially designed Graphical User Interface (GUI). The results showed that the Y2O3:Eu scintillator presented similar behavior to that of ZnSCdS:Ag, exhibiting higher DQE at zero spatial frequencies. For higher frequencies, however, the DQE values of Lu3Al5O7 and CdWO4 prevailed.
Description: Proceedings of the 1st International Conference on Molecular Imaging Technology - EuroMedIm 2006
Language: English
Citation: Efthimiou, N., Kalivas, N., Patatoukas, G., Konstantinidis, A., Valais, I., et al. (February 2007). Investigation of the effect of the scintillator material on the overall X-ray detection system performance by application of analytical models. Nuclear Instruments and Methods in Physics Research A. 571(1-2). pp. 270–273. Elsevier Science Ltd. Available from: http://www.sciencedirect.com [Accessed 10/11/2006]
Journal: Nuclear Instruments and Methods in Physics Research A
Type of Journal: With a review process (peer review)
Access scheme: Publicly accessible
License: Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες
URI: http://hdl.handle.net/11400/4314
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