The GK-MMFC Series Multimode Fiber Filter Coupler by GKER Photonics is engineered for exceptional performance in various optical communication applications. Designed to deliver very low excess loss and high stability, this coupler provides reliable and efficient signal distribution across its operating wavelength range of 1310 nm and 1550 nm.

The GK-MMFC Series is available in 1×2 and 2×2 configurations, accommodating a wide range of coupling ratios including 5/95 and 50/50. The coupler is built with high-quality multimode fibers, with options for core sizes of 62.5/125 µm, 50/125 µm, and 105/125 µm, ensuring compatibility with various multimode fiber communication systems.

Featuring a maximum excess loss of 0.7 dB for 1×2 configurations and 1.0 dB for 2×2 configurations, and a minimum return loss of 35 dB, the GK-MMFC Series ensures minimal signal degradation and high performance. The coupler supports up to 300 mW of continuous wave optical power and is designed to operate reliably within temperatures ranging from -5°C to +70°C and withstand storage conditions from -40°C to +85°C.

Ideal for use in LAN networks, multimode fiber communication systems, fiber sensors, and testing instruments, the GK-MMFC Series offers versatility and high performance in demanding environments. Its low excess loss, broad operating band, and robust build make it a valuable component in various optical applications.