Viavi 8100 V2 Series User Manual page 287

Up to 20dB
Full
Averaging acquisition
No (1 sweep), Low (4 sweeps), Medium (16 sweeps), High (32 sweeps)
This function can reduce the noise level of a value up to 5 dB. When the acquisition is
averaged, a bar graph showing the state of advancement of the averaging is displayed
at the bottom right of the screen.
Resolution (not available with OSA-110M)
The resolution bandwidth of the OSA (the minimum value depends on specification of
OSA type. See page
0.1/0.2/0.3/0.4/0.5,
Number of sweeps
In Statistics mode, this must be selected between 2 and 1000.
Long Term
NOTE
A long term measurement can be done only if the Sweep parameter is on
Statistic mode.
Long term time diagram:
– number of sweeps 7
– wait period 5s
1 2 3 4 5
|----|------|-----|------|----|-----|
time distance between the next acquisition = wait period (time)
OSNR≤15dB or at data rates up to 12.5Gbps and OSNR values
≤ 25dB
recommended for data rates of = 40Gbps and OSNR ≤ 20 dB, or
for data rates up to 12.5Gbps and OSNR ≥ 25dB.
recommended for data rates of ≥ 40Gbps and OSNR ≥ 20 dB
243).
1, 2 or 5 nm for modules OSA-50X.
6 7
User Manual
Chapter 8 Optical Spectrum Measurement
OSA optical spectrum analyzer Setup
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