Minimize Temperature Effect in High Precision Optical Fiber Based Range Measurement Calibration System

A high precision calibration range measurement system based on optical fiber switches and fiber coils network is described in this paper. To reach the high measurement precision, the phase stabilized optical fiber (PSOF), is used as delay coil to minimize the temperature dependence of transmission delay time. The temperature error can be decreased by 11 times compare with using single-mode optical fiber.