[1] Y. Ishihara, M. Kanao, M. Yamamoto, T. Shigeru, M. Takeshi, and M. Takahiko, “Infrasound observations at syowa station, east antarctica: implications for detecting the surface environmental variations in the polar regions,” Geoscience Frontiers, 2015, 6(2): 285–296.

[2] V. arora, Y. H. Wijnant, and a. de Boer, “acoustic-based damage detection method,” applied acoustics, 2014, 80: 23–27.

[3] R. Mazlan, J. Kei, L. Hickson, J. Gavranich, and R. Linning, “Test-retest reproducibility of the 1000 Hz tympanometry test in newborn and six-week-old healthy infants,” International Journal of audiology, 2010, 49(11): 815–822.

[4] G. Wild and S. Hinckley, “acousto-ultrasonic optical fiber sensors: overview and state-of-the-art,” IEEE Sensors Journal, 2008, 8(7): 1184–1193.

[5] J. G. V. Teixeira, I. T. Leite, S. Silva, and O. Frazao, “advanced fiber-optic acoustic sensors,” Photonic Sensors, 2014, 4(3): 198–208.

[6] L. Liu, P. Lu, H. Liao, S. Wang, W. Yang, D. Lfuniu, et al., “Fiber-optic michelson interferometric acoustic sensor based on a PP/PET diaphragm,” IEEE Sensors Journal, 2016, 16(9): 3054–3058.

[7] C. Sun, “Multiplexing of fiber-optic acoustic sensors in a Michelson interferometer configuration,” Optics Letters, 2003, 28(12): 1001–1003.

[8] T. Zhang, F. Pang, H. Liu, J. Cheng, L. Lv, X. Zhang, et al., “a fiber-optic sensor for acoustic emission detection in a high voltage cable system,” Sensors, 2016, 16(12): 2026–2036.

[9] Q. Sun, D. Liu, J. Wang, and H. Liu, “Distributed fiber-optic vibration sensor using a ring Communications, 2008, 281(6): 1538–1544.

[10] J. F. Dorighi, S. Krishnaswamy, and J. D. achenbach, “Stabilization of an embedded fiber optic Fabry-Perot sensor for ultrasound detection,” IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, 1995, 42(5): 820–824.

[11] K. Wada, H. Narui, D. Yamamoto, T. Matsuyama, and H. Horinaka, “Balanced polarization maintaining fiber Sagnac interferometer vibration sensor,” Optics Express, 2011, 19(22): 21467–21474.

[12] L. Wang, N. Fang, C. Wu, H. Qin, and Z. Huang, “a fiber optic PD sensor using a balanced Sagnac interferometer and an EDFa-Based DOP Tunable fiber ring laser,” Sensors, 2014, 14(5): 8398–8422.

[13] S. Campopiano, a. Cutolo, a. Cusano, M. Giordano, G. Parente, G. Lanza, et al., “Underwater acoustic sensors based on fiber Bragg gratings,” Sensors, 2009, 9(6): 4446–4454.

[14] N. Takahashi, K. Yoshimura, S. Takahashi, and K. Imamura, “Development of an optical fiber hydrophone with fiber Bragg grating,” Ultrasonics, 2000, 38: 581–585.

[15] a. V. Harisha, B. Varghesea, B. Raob, K. Balasubramaniamc, and B. Srinivasan, “Dynamic interrogator for elastic wave sensing using Fabry Perot filters based on fiber Bragg gratings,” Ultrasonics, 2015, 22: 103–108.

[16] S. Wang, P. Lu, L. Zhang, D. Liu, and J. Zhang, “Intensity demodulation-based acoustic sensor using dual fiber Bragg gratings and a titanium film,” Journal of Modern Optics, 2014, 61(12): 1033–1038.

[17] J. O. Gaudron, F. Surre, T. Sun, and K. T. V. Grattan, “LPG-based optical fibre sensor for acoustic wave detection,” Sensors and actuators a: Physical, 2012, 173(1): 97–101.

[18] D. Pawar, C. N. Rao, R. K. Choubey, and S. N. Kale, “Mach-Zehnder interferometric photonic crystal fiber for low acoustic frequency detections,” applied Physics Letters, 2016, 108(4): 041912.

[19] a. Sun, Z. Wu, C. Wan, and C. Yang, “all-fiber optic acoustic sensor based on multimode-single mode-multimode structure,” Optik, 2012, 123(13): 1138–1139.

[20] C. S. Fernandes, M. T. M. R. Giraldi, M. J. Souza, J. C. W. a. Costa, C. Golveia, P. Jorge, et al., “Curvature and vibration sensing based on core diameter mismatch structures,” IEEE Transactions on Instrumentation and Measurement, 2016, 65(9): 2120–2128.

[21] Y. Ran, L. Xia, Y. Han, W. Li, J. Rohollahnejad, Y. Wen, et al., “Vibration fiber sensors based on SM-NC-SM fiber structure,” IEEE Photonics Journal, 2015, 7(2): 1–7.

[22] Y. Xu, P. Lu, Z. Qin, J. Harris, F. Baset, V. Bhardwaj, et al., “Vibration sensing using a tapered bend-insensitive fiber based Mach-Zehnder interferometer,” Optics Express, 2013, 21(3): 3031–3042.

[23] Y. Li, X. Wang, and X. Bao, “Sensitive acoustic vibration sensor using single-mode fiber tapers,” applied Optics, 2011, 50: 1873–1878.

[24] I. R. Matas, M. L. amo, F. Montero, C. F. Valdivielso, F. J. arregui, and C. Bariin, “Low-cost optical amplitude modulator based on a tapered single-mode optical fiber,” applied Optics, 2001, 42(2): 228–234.

[25] W. Ni, P. Lu, X. Fu, S. Wang, Y. Sun, D. Liu, et al., “Highly sensitive optical fiber curvature and acoustic sensor based on thin core ultralong period fiber grating,” IEEE Photonics Journal, 2017, 9(2): 43–45.

[26] F. Pang, W. Xiang, H. Guo, N. Chen, X. Zeng, Z. Chen, et al., “Special optical fiber for temperature sensing based on cladding-mode resonance,” Optics Express, 2008, 16(17): 12967–16972.

[27] J. Zhang, F. Pang, H. Guo, Z. Chen, and T. Wang, “a strain sensor based on cladding mode resonance of double-cladding fiber,” Proceedings of SPIE - The International Society for Optical Engineering, 2010, 7853: 78533U.

[28] S. Wang, P. Lu, L. Zhang, D. Liu, and J. Zhang, “Optical fiber acoustic sensor based on nonstandard fused coupler and aluminum foil,” IEEE Sensors Journal, 2014, 14(7): 2293–2298.

[29] B. Xu, Y. Li, M. Sun, Z. Zhang, X. Dong, Z. Zhang, et al., “acoustic vibration sensor based on nonadiabatic tapered fibers,” Optics Letters, 2012, 37(22): 4768–4770.

[30] P. Lu, Y. Xu, F. Baset, X. Bao, and R. Bhardwaj, “In-line fiber microcantilever vibration sensor,” applied Physics Letters, 2013, 103(21): 211113-1–211113-5.

[31] J. Villatoro, E. antonio-lopez, J. Zubia, a. Schulzgen, and R. amezcua-Correa, “Interferometer based on strongly coupled multi-core optical fiber for accurate vibration sensing,” Optics Express, 2017, 25(21): 25734–25740.

[32] Y. Li, X, Wang, and X. Bao, “Sensitive acoustic vibration sensor using single-mode fiber tapers,” applied Optics, 2011, 50(13): 1873–1878.

[33] T. Zhang, F. Pang, H. Liu, J. Cheng, L. Lv, X. Zhang, et al., “a fiber-optic sensor for acoustic emission detection in a high voltage cable system,” Sensors, 2016, 16(12): 2026–2036.