Fig. 1. Structural diagram of DFB fiber laser hydrophone with resistant static pressure

Fig. 2. Acoustic equivalent circuit of DFB fiber laser hydrophone with resistant static pressure

Fig. 3. Simplified acoustic equivalent circuit of DFB fiber laser hydrophone with resistant static pressure

Fig. 4. Influence of end cap through-hole radius on sound pressure transfer function of hydrophone

Fig. 5. Influence of sleeve through-hole radius on sound pressure transfer function of hydrophone

Fig. 6. Influence of diaphragm thickness on sound pressure transfer function of hydrophone

Fig. 7. Influence of length of short cavity on sound pressure transfer function of hydrophone

Fig. 8. Influence of long cavity length on sound pressure transfer function of hydrophone

Fig. 9. Influence of cavity radius on sound pressure transfer function of hydrophone

Fig. 10. Experimental device diagram of vibration liquid column method

Fig. 11. Schematic diagram of sound-absorbing pool experimental system

Fig. 12. Response curve of measured frequency for resistant static pressure fiber laser hydrophone

Fig. 13. Schematic diagram of resistant static pressure experimental system

Fig. 14. Static pressure test of resistant static pressure fiber laser hydrophone