HomeOptical PassivesPolarization-Maintaining (PM)PM CWDM PM CWDM Polarization-Maintaining Low Insertion Loss High Isolation Wide Bandwidth Wide Operating Temperature Range No Epoxy in Optical Path Telcordia GR-1221-Core Compliant Categories: Optical Passives, Polarization-Maintaining (PM) Product ID: 1691 Related products PM DWDM Read more PM Planar Lightwave Circuit (PLC) Read more DWDM Read more