... ,5w,10w,20w) Ruik’s(Ruik-tech Communication Co.,ltd,skype:ruiktech,yhl(at)ruik-tech.com) 1550nm polarization maintaining isolator(POLARIZATION MAINTAINING ... stage polarization maintaining(PM) isolator,10W, 1064nm(1310nm,1480nm,1550nm) single/dual stage polarization maintaining(PM) isolator,20W, 1064nm PM Isolator,single stage-300mw Specifications ...