10 | Keysight | N1090A, N1092A/B/C/D/E and N1094A/B DCA-M Optical and Electrical Sampling Oscilloscopes - Data Sheet
N1090A Optical Channel Specifications (Continued)
Scale factor (per division)
Minimum
Maximum
2 µW
100 µW
CW accuracy (single marker, referenced to average power monitor)
Single-mode
Multimode
CW offset range (referenced two divisions from
screen bottom)
± 25 µW ± 3%
± 25 µW ± 10%
+0.2 to –0.6 mW
Average power monitor
Average power monitor accuracy
Single-mode
–30 to 0 dBm
± 5% ± 200 nW ± connector uncertainty
± 10% ± 200 nW ± connector uncertainty
Multimode (characteristic)
Due to variations in mode-filling conditions, the measured power in multimode fiber will vary more than the
measured power in single-mode fiber. For users needing the most accurate power measurements, use an
optical power meter for multimode power measurements
User-calibrated accuracy (assumes connector is continually attached)
Single-mode
± 3% ± 200 nW ± power meter uncertainty, < 5 °C
change
Multimode (characteristic)
± 10% ± 200 nW ± power meter uncertainty, < 5 °C
change
Maximum input power
Maximum non-destruct average
Maximum non-destruct peak
Input return loss (FC/PC connector fully filled fiber)
Fiber input
0.5 mW (–3 dBm)
5 mW (+7 dBm)
62.5/125 µm
> 24 dB
1310/1550 nm
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