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Table 3 Measurement uncertainty budget for determining the detection efficiency of the Si-SPAD detector (Perkin-Elmer SPCM-AQR)

From: Improvement of the detection efficiency calibration and homogeneity measurement of Si-SPAD detectors

Uncertainty components

Uncertainty (%)

Planck constant, h

2.52 × 10−7

Speed of light, c

0.0

Wavelength, λ

0.0075

Amplification factor, A 1

0.0021

Amplification factor, A 2

2.08 × 10−6

Amplification factor, A 3

2.08 × 10−6

Ratio V 1/V Mon1, Q 1

0.004

Ratio V 2/V Mon2, Q 2

0.015

Ratio V 3/V Mon3, Q 3

0.05

Ratio CR/V MonSPAD, Q 4

0.036

Spectral responsivity of integrating sphere with Si-diode, s Si

0.15

Factor for the use of two filters, F filt

0.05

Combined uncertainty, u c

0.162

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