Feasibility studies with PET detector modules based on an APD array and LSO

Author

Léonard, Sophie M A ; Fremout, An A R ; Wisniewski, Dariusz ; Bruyndonckx, Peter ; Tavernier, Stefaan P K ; Wang, Yonggang ; Fedorov, Andrei

Author_Institution

Inter-Univ. Inst. for High Energies, Vrije Universiteit Brussel, Brussels, Belgium

Volume

1

fYear

2001

fDate

6/23/1905 12:00:00 AM

Firstpage

43

Lastpage

47

Abstract

The possibility of extracting depth-of-interaction (DOI) has been studied for block detector configurations, consisting of either a block of LSO or a saw-shaped crystal coupled to a Hamamatsu Si-avalanche photodiode (APD) array 1370. The results of this study, as well as previous results on DOI, obtained with individual crystal configurations consisting of two layers of lutetium oxyorthosilicate (LSO) crystals shifted over half a crystal width with respect to each other, are applied in corrections on the spatial resolution obtained with these Positron Emission Tomography (PET) detector modules. Further improvement in the composition of crystal matrices has been realized. The energy resolution and the light yield for crystals in such a crystal matrix have been evaluated

Keywords

X-ray detection; avalanche photodiodes; diagnostic radiography; lithium compounds; positron emission tomography; solid scintillation detectors; APD array; Hamamatsu avalanche photodiode; LSO; Li₂SiO₅; PET detector modules; Si; block detector configurations; crystal matrices; depth-of-interaction; lutetium oxyorthosilicate; positron emission tomography; saw-shaped crystal; Animals; Coatings; Crystals; Data mining; Detectors; Energy resolution; Photodetectors; Positron emission tomography; Sensor arrays; Spatial resolution;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium Conference Record, 2001 IEEE

Conference_Location

San Diego, CA

ISSN

1082-3654

Print_ISBN

0-7803-7324-3

Type

conf

DOI

10.1109/NSSMIC.2001.1008406

Filename

1008406