Experimental determination of detector gain, zero frequency detective quantum efficiency, and spectral compatibility of phosphor screens: comparison of CsI:Na and Gd2O2S:Tb for medical imaging applications

dc.contributor.author	Κανδαράκης, Ιωάννης Σ.	el
dc.contributor.author	Κάβουρας, Διονύσης Α.	el
dc.contributor.author	Κανελλόπουλος, Ε.	el
dc.contributor.author	Νομικός, Κωνσταντίνος Δ.	el
dc.contributor.author	Παναγιωτάκης, Γεώργιος Σ.	el
dc.date.accessioned	2015-05-04T10:52:29Z
dc.date.available	2015-05-04T10:52:29Z
dc.date.issued	2015-05-04
dc.identifier.uri	http://hdl.handle.net/11400/9642
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/S016890029800672X	en
dc.subject	Scintillators
dc.subject	Phosphor screens
dc.subject	Σπινθηριστές
dc.subject	Οθόνες φωσφόρου
dc.title	Experimental determination of detector gain, zero frequency detective quantum efficiency, and spectral compatibility of phosphor screens: comparison of CsI:Na and Gd2O2S:Tb for medical imaging applications	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.keywordURI	http://id.loc.gov/authorities/subjects/sh85118713
heal.identifier.secondary	doi:10.1016/S0168-9002(98)00672-X
heal.language	en
heal.access	campus
heal.recordProvider	Τ.Ε.Ι. Αθήνας. Σχολή Τεχνολογικών Εφαρμογών. Τμήμα Μηχανικών Βιοϊατρικής Τεχνολογίας Τ.Ε.	el
heal.publicationDate	1998
heal.bibliographicCitation	Kandarakis, I., Cavouras, D., Kanellopoulos, E., Panayiotakis, G. and Nomicos, C. (November 1998). Experimental determination of detector gain, zero frequency detective quantum efficiency, and spectral compatibility of phosphor screens: comparison of CsI:Na and Gd2O2S:Tb for medical imaging applications. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 417(1). pp. 86-94. Elsevier Science B.V: 1998. Available from: http://www.sciencedirect.com/science/article/pii/S016890029800672X [Accessed 09/12/1998]	en
heal.abstract	Gd2O2S : Tb and CsI : Na phosphors mostly used in X-ray medical imaging detectors were compared at various X-ray tube voltages between 50 and 150 kVp. Laboratory prepared test screens of 80, 110, and 150 mg/cm2 coating weight were evaluated on the basis of the number of emitted photons per incident X-ray (NEP) and DQE, both expressing the signal-and-noise transfer properties of image receptors. NEP and DQE were determined by a method employing luminescence and emission spectrum measurements. The spectral compatibility of the two phosphors with films, photocathodes and the Si photodiode was also examined. CsI : Na exhibited high performance in the 60–90 kVp X-ray tube voltage range while Gd2O2S : Tb was found better at higher X-ray energies. The CsI : Na – film combination could provide an excellent X-ray radiographic detector, if effectively protected from humidity. Gd2O2S : Tb is more suitable for high tube voltage digital imaging but also adequate for conventional imaging.	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