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Cursors A and B are automatically positioned on the first DFB laser, respectively on the
max SMSR and the pick of the main component.
DFB results
A table is displayed (see
Channel
Wavelength
Level
SMSR
Mode off
BW @ level
When the <Channel> key is selected, use the arrow keys
from one DFB pick to another
Saving DFB results
DFB Results are not saved in a file. Nevertheless, the trace may be stored as a regular
WDM trace.
To save your files:
1
Click on F
2
Click on R
Loading DFB results
Results are not saved in a file. Nevertheless, the trace may be reloaded as a regular
WDM trace. Make sure Type parameter is set on
DFB results.
Results appear automatically in the table.
1.In case several DFB lasers are characterized at the same time
"DFB measurements" on page
Number of DFB laser detected
Wavelength (in nm) of the DFB main component
integrated power (expressed in dBm)
Side Mode Suppression Ratio (expressed in dBc)
Mode Offset (expressed in nm)
Calculated bandwidth (expressed in nm) according to the
bandwidth level (expressed in dBc) defined in the setup menu.
1
, both in the trace and in the table of results.
, select name and
ILE
to come back to the previous screen
ESULTS
User Manual
Chapter 8 Optical Spectrum Measurement
Store Trace
DFB
in the Setup menu to recalculate
78000010220 Rev. 024
DFB results analysis
282) showing for each DFB:
and
to move the cursor
283
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Troubleshooting
