The 850nm TGG Based Optical Isolator from DK Photonics Technology is a Fiber Optic Isolator with Optical Power 0.5 W, 1 W, 2 W, 5 W, 10 W, Isolation 25 dB, Insertion Loss 1 to 1.5 dB, Wavelength 850 nm, Polarization Dependent Loss 0.15 dB. More details for 850nm TGG Based Optical Isolator can be seen below.