Table 1 The parameters of the SiPMs used in this report22,23,24,25.

From: Measurement of focal light spot at single-photon level with silicon photomultipliers

Model of SiPM

Gm-APD cell pitch (μm)

Total area of SiPM(mm2)

Vbd (Breakdown voltage) (V)

FBK SiPM (NUV-HD-LF)

35

3 × 3

32.50

NDL SiPM(EQR1011-1010C-T)

10

1 × 1

26.50

Hamamatsu(S12571-010C)

10

1 × 1

66.00