Measuring the absolute light yield of scintillators

被引：92

作者：

de Haas, JTM ^{[1
]}

Dorenbos, P ^{[1
]}

van Eijk, CWE ^{[1
]}

机构：

[1] Delft Univ Technol, Interfac Reactor Inst, NL-2629 JB Delft, Netherlands

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2005年 / 537卷 / 1-2期

关键词：

absolute light yield; quantum efficiency; reflection; optical coupling;

D O I：

10.1016/j.nima.2004.07.243

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The absolute light yield of four different scintillation materials measured with two photomultiplier tubes and two avalanche photodiodes is presented. Commonly.. the photoelectron yields and electron-hole pair yields are corrected for the quantum efficiency of the detector, as specified by the manufacturer, to obtain the absolute photon field. However. the effective quantum efficiency under scintillation measurement conditions is substantially higher due to back reflection. Only when back reflection is properly accounted for. the absolute photon yields obtained with the photomultipliers agree with those obtained with the photodiodes. The effect of optical coupling between the scintillator and detector is also discussed. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：97 / 100

页数：4

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