Fast Timing Silicon Photomultipliers for Scintillation Detectors

被引:23
|
作者
Yeom, Jung Yeol [1 ,2 ]
Vinke, Ruud [1 ,2 ]
Pavlov, Nikolai [3 ]
Bellis, Stephen [3 ]
Wall, Liam [3 ]
O'Neill, Kevin [3 ]
Jackson, Carl [3 ]
Levin, Craig S. [4 ]
机构
[1] Stanford, Mol Imaging Program, Stanford, CA 94305 USA
[2] Stanford Univ, Dept Radiol, Stanford, CA 94305 USA
[3] SensL Technol Ltd, Cork, Ireland
[4] Stanford Univ, Dept Radiol Phys Elect Engn & Bioengn, Stanford, CA 94305 USA
关键词
Silicon photomultipliers; timing resolution; scintillation detector; PET;
D O I
10.1109/LPT.2013.2264049
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A new silicon photomultiplier is fabricated for fast timing applications by SensL Technologies Ltd. This new family of silicon photomultiplier, herein referred to as fast SPM devices, is fabricated with a third terminal that has a low output capacitance to improve timing performance. Two fast SPMs (an N-on-P type and a prototype P-on-N type) are assessed for energy and timing performances in scintillation detectors. When coupled with L(Y)SO:Ce crystals, the optimal energy resolutions for the 511 keV photon peak are 13.7% and 13.1%, whereas coincidence resolving times (CRTs) of 184 +/- 5 and 157 +/- 3 ps are attained with 2 x 2 x 3 mm(3) crystals for the N-on-P and P-on-N devices, respectively. For longer crystals (3 x 3 x 20 mm(3)), more relevant for positron emission tomography, the CRTs are 298 +/- 9 and 234 +/- 6 ps for the two SPM types, respectively, a significant improvement from standard SPM devices.
引用
收藏
页码:1309 / 1312
页数:4
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