COMPUTER-CONTROLLED VARIABLE RATIO COUPLER

Computer-controlled variable-ratio coupler (CTDC)  is an all-fiber construction and provides the tuning range of 0 – 100 % coupling ratio with negligible optical loss. The servo motor actuator facilitates the fine-tuning coupling ratio through the motion controller. A computer-controlled version allows user-customized operation during the experiments. It is based on evanescent field coupling using two side polished fibers where the coupling ratio is tuned by adjusting the core-to-core geometric offset. Customer specified fibers and operating wavelengths are available including single-mode fibers, polarization maintaining fibers and other specialty fibers. Features • Negligible loss• Polished fiber coupler• Tunable coupling ratio (0-100%) • Available with various fiber types including SMF and PMF • Controlled by the linear actuator • Actuator & Driver included • Compatible with 1⁄4’’-80 Threaded actuator ( 1⁄4’’-80 mounting bush) • Available with body only option (without actuat