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Content Provider | IEEE Xplore Digital Library |
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Author | Jarron, P. Auffray, E. Brunner, S.E. Despeisse, M. Garutti, E. Goettlich, M. Hillemanns, H. Lecoq, P. Meyer, T. Powolny, F. Shen, W. Schultz-Coulon, H.C. Williams, M.C.S. |
Copyright Year | 2009 |
Description | Author affiliation: University of Heidelberg, Kirchhoff Institute for Physics, Im Neuenheimer Feld 227, D-69120 Heidelberg (Schultz-Coulon, H.C.) || University of Bologna, Via Zamboni, 33 -40126 Bologna Italy (Williams, M.C.S.) || CERN, CH-1211 Geneva 23, Switzerland (Jarron, P.; Auffray, E.; Brunner, S.E.; Hillemanns, H.; Lecoq, P.; Meyer, T.; Powolny, F.) || Deutsches Elektronen-Synchrotron DESY, Notkestraße 8522607 Hamburg - Germany (Garutti, E.; Goettlich, M.; Shen, W.) || Ecole Polytechnique Federale de Lausanne EPFL/STI, Rue A.L Breguet 2, 2000 Neuchatel, Switzerland (Despeisse, M.) |
Abstract | Time of flight (TOF) measurements in positron emission tomography (PET) are very challenging in terms of timing performance, and should achieve ideally less than 100ps FWHM precision. We present a time-based differential technique to read out SiPMs that has less than 25ps rms electronic jitter. The novel readout is a fast front end circuit (NINO) based on a first stage differential current mode amplifier with 20Ω input resistance. Therefore the amplifier inputs are connected differentially to the SiPM's anode and cathode ports. The leading edge of the output signal provides the time information, while the trailing edge provides the energy information. Based on a Monte Carlo photon-generation model, SPICE simulations were run with a $3×3mm^{2}$ SiPM-model, read out with a differential current amplifier. The results of these simulations are presented here and compared with experimental data obtained with a $3×3×15mm^{3}$ LSO crystal coupled to a SiPM. The measured time coincidence precision is interpreted by the combined Monte Carlo/SPICE simulation, as well as by Poisson statistics. |
Starting Page | 1212 |
Ending Page | 1219 |
File Size | 425697 |
Page Count | 8 |
File Format | |
ISBN | 9781424439614 |
ISSN | 10957863 |
DOI | 10.1109/NSSMIC.2009.5402391 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-10-24 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Silicon Photomultipliers Positron emission tomography Differential amplifiers Time measurement Monte Carlo methods SPICE Timing Aerospace electronics Jitter |
Content Type | Text |
Resource Type | Article |
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