Modeling quantum and structure noise of phosphors used in medical x-ray imaging detectors

dc.contributor.author	Καλύβας, Νεκτάριος Ι.	el
dc.contributor.author	Κωσταρίδου, Έλενα	el
dc.contributor.author	Κανδαράκης, Ιωάννης Σ.	el
dc.contributor.author	Κάβουρας, Διονύσης Α.	el
dc.contributor.author	Νομικός, Κωνσταντίνος Δ.	el
dc.date.accessioned	2015-05-05T12:59:53Z
dc.date.available	2015-05-05T12:59:53Z
dc.date.issued	2015-05-05
dc.identifier.uri	http://hdl.handle.net/11400/9743
dc.rights	Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες	*
dc.rights.uri	http://creativecommons.org/licenses/by-nc-nd/3.0/us/	*
dc.source	http://www.sciencedirect.com/science/article/pii/S0168900202010884	en
dc.subject	Phosphor detector
dc.subject	Quantum noise
dc.subject	Ανιχνευτής φωσφόρου
dc.subject	Κβαντικός θόρυβος
dc.title	Modeling quantum and structure noise of phosphors used in medical x-ray imaging detectors	en
heal.type	journalArticle
heal.classification	Medicine
heal.classification	Physics
heal.classification	Ιατρική
heal.classification	Φυσική
heal.classificationURI	http://id.loc.gov/authorities/subjects/sh00006614
heal.classificationURI	http://skos.um.es/unescothes/C02994
heal.classificationURI	N/A-Ιατρική
heal.classificationURI	N/A-Φυσική
heal.contributorName	Παναγιωτάκης, Γεώργιος Σ.	el
heal.identifier.secondary	doi:10.1016/S0168-9002(02)01088-4
heal.language	en
heal.access	campus
heal.recordProvider	Τ.Ε.Ι. Αθήνας. Σχολή Τεχνολογικών Εφαρμογών. Τμήμα Μηχανικών Βιοϊατρικής Τεχνολογίας Τ.Ε.	el
heal.publicationDate	2002
heal.bibliographicCitation	Kalivas, N., Costaridou, L., Kandarakis, I., Cavouras, D., Nomicos, C., et al. (September 2002). Modeling quantum and structure noise of phosphors used in medical x-ray imaging detectors. Nuclear Instruments and Methods in Physics Research A: Accelarators, Spectrometers, Detectors and Associated Equipment. 490(3). pp. 614-629. Elsevier Science B.V: 2002. Available from: http://www.sciencedirect.com/science/article/pii/S0168900202010884 [Accessed 13/06/2002]	en
heal.abstract	The noise properties of granular phosphors used in X-ray imaging detectors are studied in terms of a noise transfer function, NTF. This study is performed in high-exposure conditions where the contribution of structure noise to total screen noise is considerable. An analytical model, based on the cascaded linear systems methodology presented in the literature, is developed. This model takes into account the quantum noise and structure noise. Furthermore, it considers the effect of the K X-rays reabsorption on the phosphor material and the effect of screen thickness on the NTF. The model was validated against experimental results obtained by a set of Zn2SiO4:Mn phosphor screens prepared by sedimentation. The model may be used to evaluate the effect of screen thickness and the effect of the characteristic X-rays on NTF in high-exposure conditions where structure noise is considerable.	en
heal.publisher	Elsevier Science B.V.	en
heal.journalName	Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment	en
heal.journalType	peer-reviewed
heal.fullTextAvailability	true