The GK-PMFC Series Polarization Maintaining Filter Coupler from GKER Photonics Co., Ltd. is a precision-engineered optical device designed for applications requiring high polarization stability and accurate power splitting. Utilizing cutting-edge technology, this coupler effectively splits the input signal into various ratios while maintaining a high extinction ratio, ensuring minimal polarization dependence.

Designed to support both 1310 nm and 1550 nm wavelength ranges, the GK-PMFC Series offers flexibility for various optical communication and measurement applications. Its robust construction allows it to handle up to 300 mW of continuous wave optical power, making it suitable for high-power systems. The coupler is available in both 1 × 2 and 2 × 2 configurations, with coupling ratios ranging from 1/99 to 50/50, ensuring precise and reliable performance across different requirements.

The GK-PMFC Series is built with high environmental stability in mind, featuring low excess loss, excellent uniformity, and a minimum return loss of 50 dB. It supports both polarizations, making it ideal for systems where maintaining polarization integrity is crucial. With its low polarization-dependent loss and high extinction ratio, this coupler is an excellent choice for fiber laser applications, optical communication systems, and research environments where accurate polarization control and high performance are essential.