This high-performance fiber isolator is specifically designed for 1310nm and 1550nm wavelengths, with a rated power of up to 20W. It effectively isolates laser back reflections, protecting lasers and other optical components from damage, and ensuring stable operation of fiber optic communication and laser systems. Widely used in fiber amplifiers, high-power fiber lasers, and various optical communication systems, it is an ideal solution for high-power laser applications.