The Singlemode Patchcord (GK-P Series) from GKER Photonics Co., Ltd is engineered for high-performance fiber optic connectivity with superior environmental stability. This series is designed to offer exceptional optical performance with low insertion loss, high return loss, and minimal polarization dependence.

Available in various wavelengths, including 980 nm, 1060 nm, 1310 nm, 1480 nm, and 1550 nm, the patchcord is ideal for demanding applications in fiber lasers and test instrumentation. It provides a reliable connection with a low insertion loss of 0.3 dB to 0.4 dB and high return loss ranging from 50 dB to 60 dB, ensuring efficient signal transmission and minimal signal degradation. 

With a maximum optical power handling of 300 mW and a wide operating temperature range from -5°C to +70°C, this patchcord maintains its performance even in harsh conditions. The fiber length tolerance is ±10% or as specified, offering flexibility in various setups. The patchcord is available with different connector types, jacket options, and fiber lengths to meet diverse needs and ensure optimal performance in different scenarios.