Silicon photomultiplier efficiency at liquid nitrogen temperature
Paper Title:
Characterization of Silicon Photomultiplier Photon Detection Efficiency at Liquid Nitrogen Temperature
Published on:
2 May 2024
Primary Category:
Instrumentation and Detectors
Paper Authors:
S. Borden,
J. A. Detwiler,
W. Pettus,
N. W. Ruof
Bullets
Key Details
SiPM PDE was characterized in liquid nitrogen using an integrating sphere and reference SiPM
Over 20% decrease in PDE at 77 K compared to room temperature
Decrease likely due to changes in quantum efficiency and avalanche triggering probability
Higher dark count rate and afterpulsing at 77 K
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AI generated summary
Silicon photomultiplier efficiency at liquid nitrogen temperature
Experiments searching for new physics often use silicon photomultipliers (SiPMs) to detect scintillation light at cryogenic temperatures. This paper presents results measuring the photon detection efficiency (PDE) of two SiPMs at 77 K. A significant decrease of over 20% relative to room temperature was found across various operating voltages when detecting 562.5 nm light.
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