Volume 468 - Technology & Instrumentation in Particle Physics (TIPP2023) - Main session
Understanding of the noise of the SiPM
G. Majumder*, M. Jangra and M.N. Saraf
*: corresponding author
Full text: pdf
Pre-published on: April 24, 2025
Published on: July 29, 2025
Abstract
The prototype detector of the ICAL experiment at the India-based Neutrino Observatory, the mini-ICAL
is in operation at the IICHEP, Madurai. A Cosmic Muon Veto detector (CMVD) around the mini-ICAL is
being commissioned using extruded plastic scintillators with embedded WLS fibers. The SiPM is used
as a photo-transducer and that will be calibrated using an ultrafast LED driver. Other than the basic
efficiency and gain study for the CMVD as a function of overvoltage ($V_{ov}$), an experimental setup was
designed to characterise the SiPMs in a temperature controlled environment. The readout electronics
involves trans-impedance amplifiers followed by an opamp buffer stage to drive
the outputs of combined gain 1.24 mV/$\mu$A and a digital storage oscilloscope
for the data collection without much distortion of SiPM signal. The characteristics of the
correlated and uncorrelated noise of Hamamatsu SiPM (S13360-2050VE) were studied as a function of $V_{ov}$,
the ambient temperature and those are described in this paper.
DOI: https://doi.org/10.22323/1.468.0036
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