Digital silicon photomultiplier readout of a new fast and bright scintillation crystal (Ce:GFAG)
Digital silicon photomultiplier readout of a new fast and bright scintillation crystal (Ce:GFAG)
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新型快速明亮闪烁晶体 (Ce:GFAG) 的数字硅光电倍增管读数
DOI：
10.1016/j.nima.2016.06.079
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发表时间：
2016
期刊：
影响因子：
--
通讯作者：
Jung-Yeol Yeom
中科院分区：
文献类型：
--
作者：
Yong-Seok Lee;Hyun-Tae Leem;Seiichi Yamamoto;Yong Choi ;Kei Kamada;Akira Yoshikawa;Sang-Geon Park;Jung-Yeol Yeom
成功地生长出了一种具有高能量分辨率和快速定时特性的新型没食子酸镓细铝（Ce:GFAG）闪烁晶体。与Gd3Al2Ga3O12（Ce:GAGG）相比，这种新型无机闪烁晶体具有相似的高亮度和更快的衰减时间。本文报道了用数字硅光电倍增管（dSiPM）读出用于正电子发射层析成像（PET）的新型GFAG闪烁晶体的时序和能量性能结果。抛光3×3×5 mm3晶体的最佳符合分辨时间（FWHM）， GFAG晶体为223±6 ps，而GAGG晶体为396±28 ps， LYSO晶体为131±3 ps。校正饱和效应后，GFAG与dSiPM的能量分辨率（Na-22的511 keV峰值）为10.9±0.2%，而Ce:GAGG晶体和LYSO晶体的能量分辨率分别为9.5±0.3%和11.9±0.4%。与现有的用于正电子发射断层扫描（PET）的闪烁体相比，这种新型闪烁体在能量分辨率、时间分辨率和生长（原材料）成本等整体性能方面可能具有竞争力。
A new Gadolinium Fine Aluminum Gallate (Ce:GFAG) scintillation crystal with both high energy resolution and fast timing properties has successfully been grown. Compared to Gd3Al2Ga3O12(Ce:GAGG), this new inorganic scintillation crystal has a high luminosity similar to and a faster decay time. In this paper, we report on the timing and energy performance results of the new GFAG scintillation crystal read out with digital silicon photomultipliers (dSiPM) for positron emission tomography (PET) application. The best coincidence resolving time (FWHM) of polished 3×3×5 mm3crystals was 223±6 ps for GFAG crystals compared to 396±28 ps for GAGG crystals and 131±3 ps for LYSO crystals respectively. An energy resolution (511 keV peak of Na-22) of 10.9±0.2% was attained with GFAG coupled to dSiPM after correcting for saturation effect, compared to 9.5±0.3% for Ce:GAGG crystals and 11.9±0.4% for LYSO crystals respectively. It is expected that this new scintillator may be competitive in terms of overall properties such as energy resolution, timing resolution and growing (raw material) cost, compared to existing scintillators for positron emission tomography (PET).
P-on-N 和 N-on-P 硅光电倍增管的时序性能比较
DOI：
10.1109/nssmic.2012.6551487
发表时间：
2012
期刊：
2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC)
影响因子：
--
作者：
R. Vinke;J. Yeom;M. Mazzillo;D. Sanfilippo;A. Piana;C. Levin
通讯作者：
C. Levin
辐射探测器在医疗应用中的发展：正电子发射断层扫描中的无机闪烁体。
影响因子：
1
作者：
C. van Eijk
通讯作者：
C. van Eijk
DOI：
10.1016/j.nima.2005.02.014
发表时间：
2005-06-21
影响因子：
1.4
作者：
Otte, AN;Barral, J;Teshima, M
通讯作者：
Teshima, M