Abstract
This work reports on the electrical (static and dynamic) as well as on the optical characteristics of a prototype matrix of Silicon Photomultipliers (SiPM). The prototype matrix consists of 4 × 4 SiPM's on the same substrat fabricated at FBK-irst (Trento, Italy). Each SiPM of the matrix has an area of 1 × 1mm2 and it is composed of 625 microcells connected in parallel. Each microcell of the SiPM is a GM-APD (n+/p junction on P+ substrate) with an area of 40 × 40 μm2 connected in series with its integrated polysilicon quenching resistance. The static characteristics as breakdown voltage, quenching resistance, post-breakdown dark current as well as the dynamic characteristics as gain and dark count rate have been analysed. The photon detection efficiency as a function of wavelength and operation voltage has been also estimated.
| Original language | English |
|---|---|
| Article number | P03016 |
| Journal | Journal of Instrumentation |
| Volume | 4 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 16 Nov 2009 |
| Externally published | Yes |
Keywords
- Particle detectors
- Photon detectors for UV, visible and IR photons (solid-state)
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