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- Title
Correcting the Non-Linear Response of Silicon Photomultipliers.
- Authors
Brinkmann, Lukas; Garutti, Erika; Martens, Stephan; Schwandt, Joern
- Abstract
The finite number of pixels in a silicon photomultiplier (SiPM) limits its dynamic range to light pulses up to typically 80% of the total number of pixels in a device. Correcting the non-linear response is essential to extend the SiPM's dynamic range. One challenge in determining the non-linear response correction is providing a reference linear light source. Instead, the single-step method used to calibrate PMTs is applied, based on the difference in responses to two light sources. With this method, the response of an HPK SiPM (S14160-1315PS) is corrected to linearity within 5% while extending the linear dynamic range by a factor larger than ten. The study shows that the response function does not vary by more than 5% for a variation in the operating voltage between 2 and 5 V overvoltage in the gate length between 20 and 100 ns and for a time delay between the primary and secondary light of up to 40 ns.
- Subjects
LIGHT sources; PHOTOMULTIPLIERS; SILICON; OVERVOLTAGE; PIXELS
- Publication
Sensors (14248220), 2024, Vol 24, Issue 5, p1671
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s24051671