The Multimode Polarization-Insensitive Optical Isolator (850/1064nm) from AC Photonics is a Fiber Optic Isolator with Optical Power <0.5 to 10 W, Isolation >20 dB, Insertion Loss 1 to 2 dB, Wavelength 850 nm, 1064 nm, Return Loss >25 to 30 dB. More details for Multimode Polarization-Insensitive Optical Isolator (850/1064nm) can be seen below.