Fig. 1. Simulation results of acoustic pressure sensitivity for bare optical fibers of different lengths

Fig. 2. Spiral sensitization structure

Fig. 3. Schematic of the towed hydrophone array structure and tow-cable sample^[31]

Fig. 4. Distributed fiber-optic hydrophone based on reflection-enhanced optical fiber^[34]

Fig. 5. Distributed fiber-optic hydrophone based on chirped fiber Bragg grating array^[26]

Fig. 6. Experimental setup for polarization fading suppression in distributed interferometric sensing^[73]

Fig. 7. System diagram for phase noise suppression using an auxiliary interferometer^[89]

Fig. 8. Flowchart of the DUIRE phase unwrapping algorithm^[95]

Fig. 9. Localization results of moving targets^[29]