Optical Head Specifications
Specifications
Agilent 81618A/9A and Agilent 81622B/3B/4B/6B/7B/8B User’s Guide, Second Edition
27
Optical Head Specifications
All optical heads have to be operated with the single (Agilent 81618A)
or dual (Agilent 81619A) Interface Modules.
Table 2
Optical Head Specifications
Agilent 81623B
Agilent 81624B
Agilent 81627B
Sensor Element
Ge, Ø 5 mm
InGaAs, Ø 5 mm
InGaAs, Ø 3 mm
Wavelength Range
750 - 1800 nm
800 - 1700 nm
800 - 1700 nm
Power Range
+10 to -80 dBm
+10 to -90 dBm
+10 to -90 dBm
Applicable Fiber Type
Standard SM and MM max 100
µ
m core size, NA
≤
0.3 Standard SM (max 10
µ
m core
size), NA
≤
0.11
(straight and angled
connector)
Standard MM (max 62.5
µ
m core
size), NA
≤
0.22
(straight connector)
Open Beam
Parallel beam max Ø 4 mm
Parallel beam max Ø 2.5 mm
Uncertainty at Reference
Conditions
1
±
2.2%
(1000 to 1650 nm)
±
2.2%
(1000 to 1630 nm)
±
2.5%
(1000 to 1630 nm)
Total Uncertainty
2
±
3.5%
±
100 pW
8
(1000 to 1650 nm)
±
3.5%
±
5 pW
(1000 to 1630 nm)
±
4.0%
±
5 pW
(1000 to 1630 nm)
Relative Uncertainty
7
- due to polarization
3
≤±
0.01 dB
11
(typ.
±
0.005 dB)
≤±
0.005 dB
(typ.
±
0.002 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)
≤±
0.005 dB
(typ.
±
0.002 dB)
Linearity (power):
5
(CW +10 to -60 dBm)
(1000 - 1650 nm)
(CW +10 to -70 dBm)
(1000 - 1630 nm)
(CW +10 to -70 dBm)
(1000 - 1630 nm)
-at 23
°
C
±
5
°
C
<
±
0.025 dB
±
100 pW
8
<
±
0.02 dB
±
5 pW
<
±
0.02 dB
±
5 pW
- at operating temp. range
<
±
0.05 dB
±
100 pW
8
<
±
0.05 dB
±
5 pW
<
±
0.05 dB
±
5 pW
Return Loss
7
> 50 dB
typ. > 55 dB
typ. 60 dB
> 60 dB
Noise (peak to peak)
5, 6
< 100 pW
< 5 pW
< 5 pW
Analog Output
included
Averaging Time (minimal)
100
µ
s
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 +40
°
C
Humidity
Non-condensing