The ClearPET™ LSO/LuYAP phoswich scanner:: A high performance small animal PET system

被引：0

作者：

Ziemons, K ^{[1
]}

Auffray, E ^{[1
]}

Barbier, R ^{[1
]}

Brandenburg, G ^{[1
]}

Bruyndonckx, P ^{[1
]}

Choi, Y ^{[1
]}

Christ, D ^{[1
]}

Costes, N ^{[1
]}

Declais, Y ^{[1
]}

Devroede, O ^{[1
]}

Dujardin, C ^{[1
]}

Fedorov, AA ^{[1
]}

Heinrichs, U ^{[1
]}

Hollendung, A ^{[1
]}

Korjhik, MJ ^{[1
]}

Krieguer, M ^{[1
]}

Kuntner, C ^{[1
]}

Largeron, G ^{[1
]}

Lartizien, C ^{[1
]}

Larue, H ^{[1
]}

Lecoq, P ^{[1
]}

Leonard, S ^{[1
]}

Marteau, J ^{[1
]}

Morel, C ^{[1
]}

Mosset, JB ^{[1
]}

Parl, C ^{[1
]}

Pedrini, C ^{[1
]}

Petrosyan, AG ^{[1
]}

Pietrzyk, U ^{[1
]}

Rey, M ^{[1
]}

Saladino, S ^{[1
]}

Sappey-Marinier, D ^{[1
]}

Simon, L ^{[1
]}

Streun, M ^{[1
]}

Tavernier, S ^{[1
]}

Vieira, JM ^{[1
]}

机构：

[1] Forschungszentrum Juelich GmbH, Cent Elect Lab, D-52425 Julich, Germany

来源：

2003 IEEE NUCLEAR SCIENCE SYMPOSIUM, CONFERENCE RECORD, VOLS 1-5 | 2004年

关键词：

D O I：

暂无

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

A 2nd generation high performance small animal PET scanner, called ClearPET(TM), has been designed and a first prototype is built by working groups of the Crystal Clear Collaboration (CCC). In order to achieve high sensitivity and maintain good uniform spatial resolution over the field of view in high resolution PET systems, it is necessary to extract the depth of interaction (DOI) information and correct for spatial degradation. The design of the first ClearPET(TM) Demonstrator based on the use of the multi-anode photomultiplier tube (Hamamatsu R7600-M64) and a LSO/LuYAP phoswich matrix. The two crystal layers of 8*8 crystals (2*2*10mm(3)) are stacked on each other and mounted without light guide as one to one on the PMT. A unit of four PMTs arranged in-line represents one of 20 sectors of the ring design. The opening diameter of the crystal ring is 137mm, the axial detector length is 110mm. The PMT pulses are digitized by free-running ADCs and digital data processing determines the gamma energy, the phoswich layer and even the pulse arrival time. Single gamma interactions are recorded and coincidences are found by software. The gantry allows rotation of the detector modules around the field of view. The measurements have been done using the first LSO/LuYAP detector cassettes.

引用

页码：1728 / 1732

页数：5

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