NDLI: The ClearPET/spl trade/ data acquisition

Content Provider	IEEE Xplore Digital Library
Author	Streun, M. Brandenburg, G. Brokel, M. Fuss, L. Larue, H. Parl, C. Zimmermann, E. Ziemons, K. Halling, H.
Copyright Year	2004
Description	Author affiliation: Zentrallabor fur Elektron., Forschungszentrum Julich, Germany (Streun, M.; Brandenburg, G.; Brokel, M.; Fuss, L.; Larue, H.; Parl, C.; Zimmermann, E.; Ziemons, K.; Halling, H.)
Abstract	Within the Crystal Clear Collaboration a modular system for a small animal PET scanner (ClearPET/spl trade/) has been developed. The modularity allows the assembly of scanners of different sizes and characteristics in order to fit the specific needs of the individual member institutions. Now a first demonstrator is being completed in Julich. The system performs depth of interaction detection by using a phoswich arrangement combining LSO and LuYAP scintillators which are coupled to multi-channel photomultipliers (PMTs). A free-running ADC digitizes the signal from the PMT and the complete scintillation pulses are sampled by an FPGA and sent with 20 MB/S to a PC for preprocessing. The pulse provides information about the gamma energy and the scintillator material which identifies the interaction layer. Furthermore, the exact pulse starting time is obtained from the sampled data. This is important as no hardware coincidence detection is implemented. All single events are recorded and coincidences are identified by software. An advantage of that is that the coincidence window and the dimensions of the field of view can be adjusted easily. The ClearPET/spl trade/ demonstrator is equipped with 10240 crystals on 80 PMTs. This paper presents an overview of the data acquisition system.
Starting Page	3097
Ending Page	3100
File Size	384667
Page Count	4
File Format	PDF
ISBN	0780382579
ISSN	10823654
DOI	10.1109/NSSMIC.2003.1352552
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-10-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data acquisition Collaboration Animals Positron emission tomography Assembly Solid scintillation detectors Photomultipliers Field programmable gate arrays Hardware Crystals
Content Type	Text
Resource Type	Article

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