Polarization Maintaining https://www.reachoptics.com/polarization-maintaining.html en PM Optical Circulator (3 port) https://www.reachoptics.com/r-pmoc-3port.html 1.3 port PM optical circulator 2.High isolation 3.Low insertion loss 4.Low polarization sensitivity 5.Optical path epoxy free https://www.reachoptics.com/ 2017/5/2 14:10:27 1X2 Polarization Beam Combiner/Splitter (PBC/PBS) https://www.reachoptics.com/r-pbc-pbs.html Reachoptics' Polarization Beam Combiner/Splitter is with very good quality and competitive price, wavelength could be 1310nm,1450nm,1480nm,1550nm,1064nm,1060nm;it's widely used in EDFA or Raman Amplifier systems, we accept for OEM Service. https://www.reachoptics.com/ 2017/3/13 21:02:56