The High Power Polarization-Insensitive Optical Isolator from AC Photonics is a Fiber Optic Isolator with Optical Power <1 W, 2 W, 3 W, 5 W, Isolation >32 to 44 dB, Insertion Loss 0.4 to 0.8 dB, Wavelength 1310 nm, 1480 nm, 1550 nm, Polarization Dependent Loss <0.05 to 0.1 dB. More details for High Power Polarization-Insensitive Optical Isolator can be seen below.