Fig. 1. Structural diagram of optical fiber F-P pressure sensor

Fig. 2. Numerical simulation of the relationship between diaphragm size and eigenfrequency and sensitivity

Fig. 3. Process flow diagram for pressure sensor production

Fig. 4. Integration and packaging of sensor’s sensitive units

Fig. 5. Schematic diagram of static pressure testing

Fig. 6. Sensor’s static pressure test results

Fig. 7. Schematic diagram of three-wavelength dynamic demodulation system

Fig. 8. Schematic diagram of the shock tube test

Fig. 9. Verification results of shock wave cross section at different pressures

Fig. 10. Fiber optic sensor and piezoelectric sensor output curves