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4skip0 filter

Time:2019-09-04 Views:574
USource WDM uses 4skip0 or 8skip0 filter in mux/demux and add/drop modules, it blocks 4 or 8 channels to improve the insertion loss.
Skip 4 or 8 CWDM/DWDM channels
We uses these filters to pass some bandwidth and block other bandwidth, improve the insertion loss to reduce the total system cost.
For example:

CWDM skip 4 channels usage:
Pass Band Width   1463~1620nm
Stop Band Width   1260~1457nm

DWDM 100G skip 8 channels usage:
Block bandwidth C20-C27
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