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Chapter 8 Optical Spectrum Measurement
DFB results analysis
In the Measurements section, set
A new DFB sub-menu is offered while other Setup parameters are the same for DFB as
for WDM measurements. Refer to
for a complete description.
DFB (sub-menu)
Bandwidth level
Min SMSR
Max SMSR
DFB measurements
Measurement procedure:
1
Use a patchcord to connect your DFB laser source to an input port of the OSA-
XXX module on the Platform.
2
Power on the DFB laser source.
3
Click S
The trace and corresponding results appear automatically after a few seconds.
Figure 150
DFB measurements
282
Level (expressed in dB) where the main component bandwidth
should be calculated
Minimum offset value to consider to find the Side Mode
Maximum offset value to consider to find the Side Mode
/S
to perform the acquisition.
TART
TOP
User Manual
Type
on DFB.
"OSA optical spectrum analyzer Setup" on page 246
78000010220 Rev. 024
Select which DFB
you are working on
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Troubleshooting
