The 2000nm High Power PM In-line Optical Isolator from DK Photonics Technology is a Fiber Optic Isolator with Optical Power 10 W, 15 W, Isolation 16 to 25 dB, Insertion Loss 0.8 to 1.2 dB, Wavelength 1940 nm, 2000 nm, 2050 nm, Return Loss 50 dB. More details for 2000nm High Power PM In-line Optical Isolator can be seen below.