FIS Fused Ultra-Wideband Coupler, Singlemode, 1x2, Dual Window 1310/1550nm, 40/60 Split Ratio, 250um, 1 meter Leads

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 applications.