NDLI: Initial results on SiPM array based on a symmetric resistive voltage division readout

Content Provider	IEEE Xplore Digital Library
Author	David, S. Georgiou, M. Fysikopoulos, E. Efthimiou, N. Paipais, T. Kefalidis, L. Loudos, G.
Copyright Year	2011
Description	Author affiliation: Department of Medical Instruments Technology, Technological Educational Institution of Athens, Greece (David, S.; Georgiou, M.; Fysikopoulos, E.; Efthimiou, N.; Paipais, T.; Kefalidis, L.; Loudos, G.)
Abstract	The aim of this study is to design and apply a symmetric resistive voltage division matrix to read out the compact silicon photomultiplier array (SPMArray2 by SensL) photodetector for possible applications as gamma or PET probes for localization of cancer tumors. We applied a symmetric resistive voltage division circuit, reducing the 16 voltage outputs, which are provided from SensL's evaluation board, to 4 position signals. We acquired raw images and crystal maps from various pixilated scintillators under $^{99m}Tc$ and $^{22}Na$ excitation, emitting mainly at 140KeV and 511KeV, respectively. The exact values of the resistors as well as the summing amplifiers used in the summation and division stages are given. Moreover, experimental evaluation in terms of energy and spatial resolution is reported. A clear visualization of the discrete $2mm^{2}$ pixilated CsI:Tl scintillator elements under 140keV excitation - with better than 23% energy resolution - was achieved. Raw images of the crystals maps acquired shown visualization of the discrete $1mm^{2}$ CsI:Na scintillator elements under 511keV irradiation. Under 511keV excitation we achieve an energy resolution of ∼35% for BGO and 18% for CsI:Na pixilated scintillators, respectively. All measurements were carried out at room temperature (∼25°C), without additional cooling.
Starting Page	1886
Ending Page	1891
File Size	1818325
Page Count	6
File Format	PDF
ISBN	9781467301183
ISSN	10823654
e-ISBN	9781467301206
DOI	10.1109/NSSMIC.2011.6154380
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-23
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image resolution Glass Energy resolution Arrays Optical imaging Optical sensors Visualization
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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