A multipixel silicon APD with ultralow dark count rate at liquid nitrogen temperature

Details A multipixel silicon APD with ultralow dark count rate at liquid nitrogen temperature A multipixel silicon APD with ultralow dark count rate at liquid nitrogen temperature

2008-12-03

arxiv.org/abs/0812.0634v2

Physics

Quantum Physics

10 pages, 11 figures, 2 tables

Scientific paper

The dark count rate of a multipixel photon counter (MPPC) was reduced to less than 0.2 cps by cooling the counter to 78.5 K. Characteristics of the MPPC other than the dark count rate were also detemined at 78.5 K and 295 K. The photodetection efficiency and the timing jitter at 78.5 K were comparable to those at 295 K. The MPPC had a count rate of up to 50 MHz at 78.5 K and above 100 MHz at 295 K. Detailed measurements were performed for detemining the afterpulse probability.

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