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Configuration
OSNR method
S↔N Distance
Noise Acq BW
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OSNR
For measurement the OSNR , one has the possibility
to vary boundary conditions in order to optimize the
measurement precision and/or display OSNR in different
bandwidths
• Left & Right
both slopes of channel are investigated to find the noise floor
• Left
only left slope of channel is investigated to find the noise floor
• Right
only right slope of channel is investigated to find the noise floor
• Worst Case
the worst of both slopes of channel is used to find the noise floor
dB or %
0.1 nm (Standard) = Noise Acquisition Bandwidth %
Nano-OSA user manual
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