1510/1550 and 1550/1625 nm Filter-Based Wavelength Division Multiplexers
![1510/1550 and 1550/1625 nm Filter-Based Wavelength Division Multiplexers 1510/1550 and 1550/1625 nm Filter-Based Wavelength Division Multiplexers](https://resource.lumentum.com/s3fs-public/main-images/wdm_filter_1510_1625.png)
Lumentum 1510/1550 and 1550/1625 filter wavelength division multiplexers use interference filters to add a supervisory channel for active fiber monitoring.
Stable and reliable, filter WDMs have wide bandwidth, low insertion loss, high isolation, and low temperature dependent loss.