2×2 Sm Dual Window (1310/1550nm) Coupler 50/50 Ratio 250 Micron Fiber

Singlemode dual-window couplers are bi-directional passive devices that split or combine different optical signals. Coupling ratios between 1%:99% and 50%:50% are available. They have exceptional stability and excellent uniformity between ports. They are designed for demanding telecommunications systems, sensors and CATV.