
Calibration Methods
60 IQS-12002B
Power Meter
influence uncertainty Unit probability
distribution
divisor standard
uncertainty
sensitivity
coefficient
Unit uncertainty
contribution
iXi
(x
)
ci
u
(
)(dB)
1 Factors related to the reference standard rectangular 1.73205 0.000 1 0.000
2 Incertitude d'étalonnage 2.00 % normal 2 1.000 1 1.000
3 Ref non-linearity 0.25 % rectangular 1.73205 0.144 1 0.144
4 Ageing 0.00 % rectangular 1.73205 0.000 1 0.000
5 Ref temperature dependance 1.00 %/°C rectangular 1.73205 0.577 0.01 °C (variation) 0.006
6 Ref PDR (½ (max-min)) 0 .64 % rectangular 1.73205 0.370 0.1 ratio applicability 0.037
7 Ref Dependance on spectral bandwith 0.00 % rectangular 1.73205 0.000 1 0.000
8 1/2 Ref's Resolution 0.01 % rectangular 1.73205 0.006 1 0.006
9 Factors related to the DUT rectangular 1.73205 0.000 1 0.000
10 DUT temperature dependance 1.00 %/°C rectangular 1.73205 0.577 1 °C (variation) 0.577
11 DUT's Dependance on spectral bandwith 0.00 % rectangular 1.73205 0.000 1 0.000
12 DUT's PDR (½ (max-min)) 0.35 % rectangular 1.73205 0.202 0.1 ratio applicability 0.020
13 1/2 DUT's Resolution 0.120 % rectangular 1.73205 0.069 1 0.069
14 rectangular 1.73205 0.000 1 0.000
15 rectangular 1.73205 0.000 1 0.000
16 Combined effects rectangular 1.73205 0.000 1 0.000
17 Wavelength dependance DUT versus reference std 1.000 %/nm rectangular 1.73205 0.577 0.5 nm 0.289
18 Source stability 0.12 % rectangular 1.73205 0.069 1 0.069
19 rectangular 1.73205 0.000 1 0.000
20 rectangular 1.73205 0.000 1 0.000
21 U-shaped 1.41421 0.000 1 0.000
22 rectangular 1.73205 0.000 1 0.000
23 rectangular 1.73205 0.000 1 0.000
24 TYPE A UNCERTAINTY (includes interferance and FOA) 1.50 % 3 measures 1.73205 0.866 1 0.866
y 1.483
k= 2
U= 3.0
Note 1: If there is a polarisation scrambler, the Detector's PDR can be neglected S= 5.0
Limit 1= 2.6
Limit 3= 7.4
Power meter calibration at 1310 nm and 1550 nm @ 23 °C ± 1 °C
coverage factor
expanded uncertainty
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