The High Power Polarization Insensitive Collimated Beam Output Isolator 1064nm 1000W from Optics Technology is a Fiber Optic Isolator with Optical Power 1000 W, Isolation 20 to 30 dB, Wavelength 780 nm, Return Loss 50 dB, Operating Temperature 10 to 50 Degree C. More details for High Power Polarization Insensitive Collimated Beam Output Isolator 1064nm 1000W can be seen below.