Table 3.

Summary of the exposure time ($t_{\mathrm{ET}}$), over-voltage $V_{\mathrm{ov}}$, total charge $Q_{\mathrm{ET}}$ (as defined by Equation (2)) and average current $\langle i\left(t\right)\rangle$ during SiPM spectral measurements.

Exposure Time ${\mathit{t}}_{\mathbf{ET}}$		FBK VUV-HD3		HPK VUV4
		Visible	NIR	Visible	NIR
	$V_{\mathrm{ov}}$ [V]	12.1 ± 1.0	12.1 ± 1.0	10.7 ± 1.0	10.7 ± 1.0
8 h 20 min	$\langle i\left(t\right)\rangle$ [μA]	59.1 ± 1.2	66.2 ± 1.3	78.8 ± 0.6	33.3 ± 0.3
	$Q_{\mathrm{ET}}$ [C]	1.77 ± 0.12	1.99 ± 0.12	2.36 ± 0.12	1.00 ± 0.12
	$V_{\mathrm{ov}}$ [V]	12.4 ± 1.0	12.4 ± 1.0	10.8 ± 1.0	10.8 ± 1.0
4 h 45 min	$\langle i\left(t\right)\rangle$ [μA]	87.1 ± 0.6	97.5 ± 1.0	46.4 ± 0.4	88.0 ± 0.6
	$Q_{\mathrm{ET}}$ [C]	1.49 ± 0.09	1.67 ± 0.09	0.80 ± 0.09	1.51 ± 0.09
	$V_{\mathrm{ov}}$ [V]	12.8 ± 1.0	12.8 ± 1.0	11 ± 1	11 ± 1
3 h 20 min	$\langle i\left(t\right)\rangle$ [μA]	200.9 ± 1.7	165.5 ± 1.3	240.5 ± 1.3	187.8 ± 1.2
	$Q_{\mathrm{ET}}$ [C]	2.41 ± 0.08	1.99 ± 0.08	2.89 ± 0.08	2.25 ± 0.08