A comparative investigation of Lu2SiO5:Ce and
Gd2O2S:eu phosphor scintillators for use in a medical imaging detectors

dc.contributor.author	Μιχαήλ, Χρήστος Μ.	el
dc.contributor.author	Ντάβιντ, Στράτος Λ.	el
dc.contributor.author	Τουτουντζής, Ανδριανός Ε.	el
dc.contributor.author	Βαλαής, Ιωάννης Γ.	el
dc.contributor.author	Παναγιωτάκης, Γεώργιος Σ.	el
dc.date.accessioned	2015-01-21T12:42:22Z
dc.date.issued	2015-01-21
dc.identifier.uri	http://hdl.handle.net/11400/4438
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.subject	Biomedical optical imaging
dc.subject	Diagnostic radiography
dc.subject	Βιοϊατρική οπτική απεικόνιση
dc.subject	Διαγνωστική ακτινογραφία
dc.title	A comparative investigation of Lu2SiO5:Ce and Gd2O2S:eu phosphor scintillators for use in a medical imaging detectors	en
heal.type	conferenceItem
heal.classification	Medicine
heal.classification	Medical technology
heal.classification	Ιατρική
heal.classification	Ιατρική τεχνολογία
heal.classificationURI	http://id.loc.gov/authorities/subjects/sh00006614
heal.classificationURI	http://skos.um.es/unescothes/C02465
heal.classificationURI	N/A-Ιατρική
heal.classificationURI	N/A-Ιατρική τεχνολογία
heal.contributorName	Φούντος, Γεώργιος Π.	el
heal.contributorName	Καλύβας, Νεκτάριος Ι.	el
heal.contributorName	Κανδαράκης, Ιωάννης Σ.	el
heal.identifier.secondary	DOI: 10.1109/IST.2008.4659934
heal.dateAvailable	10000-01-01
heal.language	en
heal.access	forever
heal.recordProvider	Τ.Ε.Ι. Αθήνας. Σχολή Τεχνολογικών Εφαρμογών. Τμήμα Μηχανικών Βιοϊατρικής Τεχνολογίας Τ.Ε.	el
heal.publicationDate	2008
heal.bibliographicCitation	Michail, C., David, S., Toutountzis, A., Valais, I., Panayiotakis, G., et al. (2008). A comparative investigation of Lu2SiO5:Ce and Gd2O2S:Eu phosphor scintillators for use in a medical imaging detectors. In the International Workshop on Imaging Systems and Techniques. Crete, 10th-12th September 2008. pp. 25 - 28. IEEE.	en
heal.abstract	The dominant powder scintillator in most medical imaging modalities for decades is Gd2O2S:Tb due to the very good intrinsic properties and overall efficiency. Except Gd2O2S:Tb there are alternative powder phosphor scintillators like Lu2SiO5:Ce and Gd2O2S:Eu that has been suggested for use in various medical imaging modalities. Gd2O2S:Eu emits red light and can be combined mainly with digital detectors like CCDs and wavelength selective detectors. Lu2SiO5:Ce emits blue light and can be combined with blue sensitivity films, photocathodes and some photodiodes. For the purpose of this study two Lu2SiO5:Ce and Gd2O2S:Eu powder phosphor scintillators with screen coating thicknesses of 25 and 33 mg/cm2 respectively, were prepared by the method of sedimentation in our laboratory. The output efficiency of the phosphor screens were evaluated with respect to incident exposure rate and the spatial frequency dependent Modulation Transfer Function (MTF). Furthermore the spectral compatibility of those materials with various detectors was evaluated. Results were compared to published data for the commercially employed dasiaKodak Min-R film-screen systempsila, based on a 31.7 mg/cm2 thick Gd2O2S:Tb phosphor. For Gd2O2S:Eu, MTF data were found comparable to those of Gd2O2S:Tb, while the MTF of Lu2SiO5:Ce was even higher. The different spectral compatibility of these phosphors could be interesting for application based on red and blue sensitive optical sensors respectively.	en
heal.publisher	IEEE	en
heal.fullTextAvailability	true
heal.conferenceName	International Workshop on Imaging Systems and Techniques	en
heal.conferenceItemType	full paper