EPJ Web Conf.
Volume 136, 2017RICAP16, 6th Roma International Conference on Astroparticle Physics
|Number of page(s)||5|
|Published online||23 March 2017|
Recent development on the realization of a 1-inch VSiPMT prototype
1 University of Naples “Federico II” - Complesso Universitario di Monte Sant’Angelo 80126 Naples
2 INFN Section of Naples - Complesso Universitario di Monte Sant’Angelo 80126 Naples
3 University of Bari “Aldo Moro” - Piazza Umberto I, 1, 70121 Bari
a e-mail: email@example.com
Published online: 23 March 2017
The VSiPMT (Vacuum Silicon PhotoMultiplier Tube) is an innovative design for a revolutionary hybrid photodetector. The idea, born with the purpose to use a SiPM for large detection volumes, consists in replacing the classical dynode chain with a SiPM. In this configuration, we match the large sensitive area of a photocathode with the performances of the SiPM technology, which therefore acts like an electron detector and so like a current amplifier. The excellent photon counting capability, fast response, low power consumption and great stability are among the most attractive features of the VSiPMT. In order to realize such a device we first studied the feasibility of this detector both from theoretical and experimental point of view, by implementing a Geant4-based simulation and studying the response of a special non-windowed MPPC by Hamamatsu with an electron beam. Thanks to this result Hamamatsu realized two VSiPMT industrial prototypes with a photocathode of 3mm diameter. We present the progress on the realization of a 1-inch prototype and the preliminary tests we are performing on it.
© The Authors, published by EDP Sciences, 2017
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