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Performance study of silicon photomultipliers as photon detectors for PET

✍ Scribed by R. Verheyden; H. Chagani; R. Dolenec; R. Pestotnik; P. Križan; S. Korpar; A. Stanovnik

Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
910 KB
Volume
628
Category
Article
ISSN
0168-9002

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✦ Synopsis

The use of Silicon Photo-Multipliers (SiPMs) as photon detectors in Positron Emission Tomography (PET) modules offers significant advantages over conventional light sensors, including application in a magnetic field, better resolution and easier operation. Different types of SiPMs have been tested: Photonique, 2.1 Â 2.1 mm 2 , Hamamatsu 3 Â 3 mm 2 and STMicroelectronics 3.5 Â 3.5 mm 2 . Dark noise, surface sensitivity, photon detection efficiency and linearity at low light intensities have been measured. A LYSO crystal was coupled to a SiPM to test the performance as a photon detector for PET. We will present the results of the measurements for different samples and types.

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