A test of silicon photomultipliers as readout for PET

被引：132
|
作者：
Otte, AN
Barral, J
Dolgoshein, B
Hose, J
Klemin, S
Lorenz, E
Mirzoyan, R
Popova, E
Teshima, M
机构：
[1] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[2] Ecole Polytech, F-91128 Palaiseau, France
[3] Moscow Engn Phys Inst, Moscow 115409, Russia
[4] Pulsar Enterprise, Moscow, Russia
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2005年 / 545卷 / 03期
关键词：
positron emission tomography (PET); silicon photomultiplier (SiPM); lutetium yttrium orthosilicate (LYSO); avalanche photo diode (APD);
D O I：
10.1016/j.nima.2005.02.014
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The silicon photomultiplier (SiPM) is a novel photon detector based on Geiger mode operating avalanche photodiodes. In this paper, we present results from a test, demonstrating the feasibility of SiPM as readout elements in scintillator-based positron emission tomography (PET). As scintillator we use the newly developed LYSO crystals having similar characteristics as LSO. With our setup we measure an energy resolution of about 22% and a time resolution of a single crystal element of (1.51 +/- 0.07) ns, both full-width at half-maximum. A significant improvement in time resolution could be achieved by triggering on the first photoelectron in the signal. We also present the coincidence rate of two detector channels vs. the position of a small point-like Na-22 positron source. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：705 / 715
页数：11
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