Fringe effects in large-area scintillation detectors

The light reflection conditions near the crystal fringes are known to differ from those in the sample middle part due to additional reflections from the butt surfaces. Such effects may be insignificant (as, for example, in most standard spectrometric detectors) but may be of importance in image visu...

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Datum:2009
Hauptverfasser: Boyarintsev, A.Yu., Gektin, A.V., Gavrilyuk, V.P., Koshel, V.I., Pedash, V.Yu.
Format: Artikel
Sprache:English
Veröffentlicht: НТК «Інститут монокристалів» НАН України 2009
Schriftenreihe:Functional Materials
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Online Zugang:http://dspace.nbuv.gov.ua/handle/123456789/136605
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Fringe effects in large-area scintillation detectors // A.Yu. Boyarintsev, A.V. Gektin, V.P. Gavrilyuk, V.I. Koshel, V.Yu. Pedash // Functional Materials. — 2009. — Т. 16, № 1. — С. 82-85. — Бібліогр.: 7 назв. — англ.

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spelling irk-123456789-1366052018-06-17T03:10:43Z Fringe effects in large-area scintillation detectors Boyarintsev, A.Yu. Gektin, A.V. Gavrilyuk, V.P. Koshel, V.I. Pedash, V.Yu. Technology The light reflection conditions near the crystal fringes are known to differ from those in the sample middle part due to additional reflections from the butt surfaces. Such effects may be insignificant (as, for example, in most standard spectrometric detectors) but may be of importance in image visualization systems (as gamma cameras). In this work, the light yield inhomogeneities near the butt surfaces of gamma camera detectors are studied. Seven types of the crystal surface treatment and the reflecting coating materials are considered. Відомо, що поблизу країв кристала умови віддзеркалення світла відрізняються від середньої частини зразка завдяки існуванню додаткових віддзеркалень світла від торцевих поверхонь. Такі ефекти можуть бути несуттєвими (як, наприклад, для більшості стандартних спектрометричних детекторів), але у випадку систем візуалізації зображень (гамма камера, наприклад) можуть відігравати суттєву роль. У роботі досліджуються неоднорідності світлового виходу поблизу торцевих поверхонь детекторів для гама камер. Розглядаються сім варіантів обробки поверхні кристалау та вибору матеріалу світловідбиваючих покриттів. Известно, что вблизи краев кристалла условия отражения света отличаются от таковых в средней части образца из-за дополнительных отражений света от торцевых поверхностей. Такого рода эффекты могут быть несущественными (как, например, для большинства стандартных спектроскопических детекторов), но в случае систем для визуализации изображений (гамма камера, например) могут играть существенную роль. В работе исследуются неоднородности светового выхода вблизи торцевых поверхностей детекторов для гамма камер. Рассматриваются семь вариантов обработки поверхности кристалла и выбора материала светоотражающих покрытий. 2009 Article Fringe effects in large-area scintillation detectors // A.Yu. Boyarintsev, A.V. Gektin, V.P. Gavrilyuk, V.I. Koshel, V.Yu. Pedash // Functional Materials. — 2009. — Т. 16, № 1. — С. 82-85. — Бібліогр.: 7 назв. — англ. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/136605 en Functional Materials НТК «Інститут монокристалів» НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Technology
Technology
spellingShingle Technology
Technology
Boyarintsev, A.Yu.
Gektin, A.V.
Gavrilyuk, V.P.
Koshel, V.I.
Pedash, V.Yu.
Fringe effects in large-area scintillation detectors
Functional Materials
description The light reflection conditions near the crystal fringes are known to differ from those in the sample middle part due to additional reflections from the butt surfaces. Such effects may be insignificant (as, for example, in most standard spectrometric detectors) but may be of importance in image visualization systems (as gamma cameras). In this work, the light yield inhomogeneities near the butt surfaces of gamma camera detectors are studied. Seven types of the crystal surface treatment and the reflecting coating materials are considered.
format Article
author Boyarintsev, A.Yu.
Gektin, A.V.
Gavrilyuk, V.P.
Koshel, V.I.
Pedash, V.Yu.
author_facet Boyarintsev, A.Yu.
Gektin, A.V.
Gavrilyuk, V.P.
Koshel, V.I.
Pedash, V.Yu.
author_sort Boyarintsev, A.Yu.
title Fringe effects in large-area scintillation detectors
title_short Fringe effects in large-area scintillation detectors
title_full Fringe effects in large-area scintillation detectors
title_fullStr Fringe effects in large-area scintillation detectors
title_full_unstemmed Fringe effects in large-area scintillation detectors
title_sort fringe effects in large-area scintillation detectors
publisher НТК «Інститут монокристалів» НАН України
publishDate 2009
topic_facet Technology
url http://dspace.nbuv.gov.ua/handle/123456789/136605
citation_txt Fringe effects in large-area scintillation detectors // A.Yu. Boyarintsev, A.V. Gektin, V.P. Gavrilyuk, V.I. Koshel, V.Yu. Pedash // Functional Materials. — 2009. — Т. 16, № 1. — С. 82-85. — Бібліогр.: 7 назв. — англ.
series Functional Materials
work_keys_str_mv AT boyarintsevayu fringeeffectsinlargeareascintillationdetectors
AT gektinav fringeeffectsinlargeareascintillationdetectors
AT gavrilyukvp fringeeffectsinlargeareascintillationdetectors
AT koshelvi fringeeffectsinlargeareascintillationdetectors
AT pedashvyu fringeeffectsinlargeareascintillationdetectors
first_indexed 2025-07-10T01:43:35Z
last_indexed 2025-07-10T01:43:35Z
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