Fig. 1. Schematic of the experimental structure. (a) Schematic of the proposed MPF sensor system based on an RF-UMZI; (b) loss measurement for the 2 km SMF

Fig. 2. Frequency response of SMF in the configuration

Fig. 3. Measured frequency response of the RF-UMZI for different fixed time delay differences. (a) ΔL=2 km; (b) ΔL=3 km

Fig. 4. Real-time RF intensity for the modulation frequency of 119.96 MHz

Fig. 5. Intensity changed as a function of temperature in the experiment. (a) Maximum value; (b) average value

Fig. 6. Standard deviation of the RF signal intensity for every temperature