Optical Head Specifications
Specifications
Agilent 81618A/9A and Agilent 81622B/3B/4B/6B/7B/8B User’s Guide, Second Edition
29
.
Table 3
High Power Optical Head Specifications
Agilent 81622B
Agilent 81626B
Sensor Element
Ge, Ø 5 mm
InGaAs, Ø 5 mm
Wavelength Range
850 - 1650 nm
850 - 1650 nm
Power Range
+27 to -55 dBm
(1250 - 1650 nm)
+27 to -70 dBm
(1250 - 1650 nm)
+23 to -55 dBm
(850 - 1650 nm)
+23 to -70 dBm
(850 - 1650 nm)
Applicable Fiber Type
Standard SM and MM max 100
µ
m core size, NA
≤
0.3
Open Beam
Parallel beam max Ø 4 mm
Uncertainty at Reference
Conditions
1
±
3.0%
(950 to 1630 nm)
±
3.0%
(950 to 1630 nm)
Total Uncertainty
2
±
5%
±
40 nW
10
(950 to 1630 nm)
±
5.0%
±
500 pW
10
(950 to 1630 nm)
Relative Uncertainty
7
- due to polarization
3
±
0.01 dB
(typ.
±
0.005 dB)
±
0.005 dB
(typ.
±
0.002 dB)
Spectral ripple
(due to interference)
4
±
0.006 dB
(typ.
±
0.003 dB)
±
0.005 dB
(typ.
±
0.002 dB)
Linearity (power):
5
(CW +27 to -40 dBm)
(950 - 1630 nm)
(CW +27 to -50 dBm)
(950 - 1630 nm)
-at 23
°
C
±
5
°
C
<
±
0.05 dB
±
40 nW
10
<
±
0.04 dB
±
500 pW
10
- at operating temp. range
<
±
0.15 dB
±
40 nW
10
<
±
0.15 dB
±
500 pW
10
Return Loss
7
> 45 dB
> 45 dB
Noise (peak to peak)
5, 6
< 40 nW
< 500 pW
Averaging Time (minimal)
100
µ
s
Analog Output
included
Dimensions (H x W x D)
57 mm
×
66 mm
×
156 mm
Weight
0.5 kg
Recalibration Period
2 years
Operating Temperature
0
°
C to +35
°
C
9
Humidity
Non-condensing
Warm-up time
40 minutes