[1] Brauns M, Lucking F, Fischer B et al. Laser-excited acoustics for contact-free inspection of aerospace composites[J]. Materials Evaluation, 79, 28-37(2021).
[2] Haindl R, Deloria A J, Sturtzel C et al. Functional optical coherence tomography and photoacoustic microscopy imaging for zebrafish larvae[J]. Biomedical Optics Express, 11, 2137-2151(2020).
[3] Bell A G. Upon the production and reproduction of sound by light[J]. Journal of the Society of Telegraph Engineers, 9, 404-426(1880).
[4] Kao K C, Hockham G A. Dielectric-fibre surface waveguides for optical frequencies[J]. Proceedings of the Institution of Electrical Engineers, 113, 1151-1158(1966).
[5] Hayber S E, Tabaru T E, Keser S et al. A simple, high sensitive fiber optic microphone based on cellulose triacetate diaphragm[J]. Journal of Lightwave Technology, 36, 5650-5655(2018).
[6] Guggenheim J A, Li J, Allen T J et al. Ultrasensitive Plano-concave optical microresonators for ultrasound sensing[J]. Nature Photonics, 11, 714-719(2017).
[7] Basiri-Esfahani S, Armin A, Forstner S et al. Precision ultrasound sensing on a chip[J]. Nature Communications, 10, 132(2019).
[8] Gao R, Zhang M Y, Qi Z M. Miniature all-fibre microflown directional acoustic sensor based on crossed self-heated micro-Co2+-doped optical fibre Bragg gratings[J]. Applied Physics Letters, 113, 134102(2018).
[9] Gong Z F, Chen Y W, Gao T L et al. Parylene-C diaphragm-based low-frequency photoacoustic sensor for space-limited trace gas detection[J]. Optics and Lasers in Engineering, 134, 106288(2020).
[10] Fu X, Lu P, Zhang J et al. Micromachined extrinsic Fabry-Pérot cavity for low-frequency acoustic wave sensing[J]. Optics Express, 27, 24300-24310(2019).
[11] Westerveld W J, Mahmud-Ul-Hasan M, Shnaiderman R et al. Sensitive, small, broadband and scalable optomechanical ultrasound sensor in silicon photonics[J]. Nature Photonics, 15, 341-345(2021).
[12] Sarkar B, Mishra D K, Koley C et al. Intensity-modulated fiber Bragg grating sensor for detection of partial discharges inside high-voltage apparatus[J]. IEEE Sensors Journal, 16, 7950-7957(2016).
[13] Zhang T Z, Pang F F, Liu H H et al. A fiber-optic sensor for acoustic emission detection in a high voltage cable system[J]. Sensors, 16, 2026(2016).
[14] Jia J S, Jiang Y, Zhang L C et al. Symbiosis-Michelson interferometer-based detection scheme for the measurement of dynamic signals[J]. IEEE Sensors Journal, 19, 7988-7992(2019).
[15] Huang S C, Lin W W, Tsai M T et al. Fiber optic in-line distributed sensor for detection and localization of the pipeline leaks[J]. Sensors and Actuators A: Physical, 135, 570-579(2007).
[16] Hajireza P, Krause K, Brett M et al. Glancing angle deposited nanostructured film Fabry-Perot etalons for optical detection of ultrasound[J]. Optics Express, 21, 6391-6400(2013).
[17] Niu S L, Hu Y M, Hu Z L et al. Fiber Fabry-Pérot hydrophone based on push–pull structure and differential detection[J]. IEEE Photonics Technology Letters, 23, 1499-1501(2011).
[18] Horiuchi N. Fibre-optic pickup[J]. Nature Photonics, 6, 80(2012).
[19] Huang S W, Chen S L, Ling T et al. Low-noise wideband ultrasound detection using polymer microring resonators[J]. Applied Physics Letters, 92, 193509(2008).
[20] Maxwell A, Huang S W, Ling T et al. Polymer microring resonators for high-frequency ultrasound detection and imaging[J]. IEEE Journal of Selected Topics in Quantum Electronics, 14, 191-197(2008).
[21] Chen C. Design of a semi-buried optical waveguide resonator and verification of its acoustic sensing effect[D], 21-23(2021).
[22] Chen J M, Xue C Y, Zheng Y Q et al. Micro-fiber-optic acoustic sensor based on high-Q resonance effect using Fabry-Pérot etalon[J]. Optics Express, 29, 16447-16454(2021).
[23] Cao Y C, Jin W, Ho L H et al. Evanescent-wave photoacoustic spectroscopy with optical micro/nano fibers[J]. Optics Letters, 37, 214-216(2012).
[24] Ni W J, Lu P, Fu X et al. Highly sensitive optical fiber curvature and acoustic sensor based on thin core ultralong period fiber grating[J]. IEEE Photonics Journal, 9, 7100909(2017).
[25] Gao R, Ye J S, Xin X J. Directional acoustic signal measurement based on the asymmetrical temperature distribution of the parallel microfiber array[J]. Optics Express, 27, 34113-34125(2019).
[26] Yin H H, Shao Z H, Chen F Y et al. Highly sensitive ultrasonic sensor based on polymer Bragg grating and its application for 3D imaging of seismic physical model[J]. Journal of Lightwave Technology, 40, 5294-5299(2022).
[27] Zhang X L, Meng Z, Hu Z L. Sensing system with Michelson-type fiber optical interferometer based on single FBG reflector[J]. Chinese Optics Letters, 9, 110601(2011).
[28] Yang F, Jin W, Ho H L et al. Enhancement of acoustic sensitivity of hollow-core photonic bandgap fibers[J]. Optics Express, 21, 15514-15521(2013).
[29] Liu L, Lu P, Liao H et al. Fiber-optic Michelson interferometric acoustic sensor based on a PP/PET diaphragm[J]. IEEE Sensors Journal, 16, 3054-3058(2016).
[30] Fan P J, Yan W, Lu P et al. High sensitivity fiber-optic Michelson interferometric low-frequency acoustic sensor based on a gold diaphragm[J]. Optics Express, 28, 25238-25249(2020).
[31] Ma J, Yu Y Q, Jin W. Demodulation of diaphragm based acoustic sensor using Sagnac interferometer with stable phase bias[J]. Optics Express, 23, 29268-29278(2015).
[32] Fu X, Lu P, Ni W J et al. Intensity demodulation based fiber sensor for dynamic measurement of acoustic wave and lateral pressure simultaneously[J]. IEEE Photonics Journal, 8, 6805713(2016).
[33] Pawar D, Rao C N, Choubey R K et al. Mach-Zehnder interferometric photonic crystal fiber for low acoustic frequency detections[J]. Applied Physics Letters, 108, 041912(2016).
[34] Dass S, Jha R. Underwater low acoustic frequency detection based on in-line Mach-Zehnder interferometer[J]. Journal of the Optical Society of America B, 38, 570-575(2021).
[35] Alcoz J J, Lee C E, Taylor H F. Embedded fiber-optic Fabry-Perot ultrasound sensor[J]. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 37, 302-306(1990).
[36] Wang X X, Jin L, Li J et al. Microfiber interferometric acoustic transducers[J]. Optics Express, 22, 8126-8135(2014).
[37] Wang X X, Jiang Y H, Li Z Y et al. Sensitivity characteristics of microfiber Fabry-Perot interferometric photoacoustic sensors[J]. Journal of Lightwave Technology, 37, 4229-4235(2019).
[38] Shao Z H, Rong Q Z, Chen F Y et al. High-spatial-resolution ultrasonic sensor using a micro suspended-core fiber[J]. Optics Express, 26, 10820-10832(2018).
[39] Shao Z H, Zhou K Y, Yin H H et al. Advanced suspended-core fiber sensor for seismic physical modeling[J]. Optics Express, 30, 16384-16395(2022).
[40] Fan H B, Zhang L, Gao S et al. Ultrasound sensing based on an in-fiber dual-cavity Fabry-Perot interferometer[J]. Optics Letters, 44, 3606-3609(2019).
[41] Qu Z Y, Lu P, Li Y J et al. Low-frequency acoustic Fabry-Pérot fiber sensor based on a micromachined silicon nitride membrane[J]. Chinese Optics Letters, 18, 101201(2020).
[42] Wang D H, Jia P G, Wang S J et al. Tip-sensitive all-silica fiber-optic Fabry-Perot ultrasonic hydrophone for charactering high intensity focused ultrasound fields[J]. Applied Physics Letters, 103, 044102(2013).
[43] Akkaya O C, Akkaya O, Digonnet M J F et al. Modeling and demonstration of thermally stable high-sensitivity reproducible acoustic sensors[J]. Journal of Microelectromechanical Systems, 21, 1347-1356(2012).
[44] Liu B, Lin J, Wang J et al. MEMS-based high-sensitivity Fabry-Perot acoustic sensor with a 45° angled fiber[J]. IEEE Photonics Technology Letters, 28, 581-584(2016).
[45] Wu G M, Xiong L S, Dong Z F et al. Development of highly sensitive fiber-optic acoustic sensor and its preliminary application for sound source localization[J]. Journal of Applied Physics, 129, 164504(2021).
[46] Dass S, Kachhap S, Jha R. Hearing the sounds of aquatic life using optical fiber microtip-based hydrophone[J]. IEEE Transactions on Instrumentation and Measurement, 69, 4015-4020(2020).
[47] Beard P C, Mills T N. Extrinsic optical-fiber ultrasound sensor using a thin polymer film as a low-finesse Fabry-Perot interferometer[J]. Applied Optics, 35, 663-675(1996).
[48] Beard P C, Hurrell A M, Mills T N. Characterization of a polymer film optical fiber hydrophone for use in the range 1 to 20 MHz: a comparison with PVDF needle and membrane hydrophones[J]. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 47, 256-264(2000).
[49] Morris P, Hurrell A, Shaw A et al. A Fabry-Perot fiber-optic ultrasonic hydrophone for the simultaneous measurement of temperature and acoustic pressure[J]. The Journal of the Acoustical Society of America, 125, 3611-3622(2009).
[50] Kilic O, Digonnet M, Kino G et al. External fibre Fabry-Perot acoustic sensor based on a photonic-crystal mirror[J]. Measurement Science and Technology, 18, 3049-3054(2007).
[51] Jo W, Akkaya O C, Solgaard O et al. Miniature fiber acoustic sensors using a photonic-crystal membrane[J]. Optical Fiber Technology, 19, 785-792(2013).
[52] Lorenzo S, Wong Y P, Solgaard O. Optical fiber photonic crystal hydrophone for Cellular acoustic sensing[J]. IEEE Access, 9, 42305-42313(2021).
[53] Ma J, Xuan H F, Ho H L et al. Fiber-optic Fabry-Pérot acoustic sensor with multilayer graphene diaphragm[J]. IEEE Photonics Technology Letters, 25, 932-935(2013).
[54] Li C, Gao X Y, Guo T T et al. Analyzing the applicability of miniature ultra-high sensitivity Fabry-Perot acoustic sensor using a nanothick graphene diaphragm[J]. Measurement Science and Technology, 26, 085101(2015).
[55] Ni W J, Lu P, Fu X et al. Ultrathin graphene diaphragm-based extrinsic Fabry-Perot interferometer for ultra-wideband fiber optic acoustic sensing[J]. Optics Express, 26, 20758-20767(2018).
[56] Monteiro C S, Raposo M, Ribeiro P A et al. Acoustic optical fiber sensor based on graphene oxide membrane[J]. Sensors, 21, 2336(2021).
[57] Wang S C, Chen W G. A large-area and nanoscale graphene oxide diaphragm-based extrinsic fiber-optic Fabry-Perot acoustic sensor applied for partial discharge detection in air[J]. Nanomaterials, 10, 2312(2020).
[58] Wang J X, Zhao J J, Wang J Y et al. A multi-frequency fiber optic acoustic sensor based on graphene-oxide Fabry-Perot microcavity[J]. Optical Fiber Technology, 65, 102607(2021).
[59] Guo F W, Fink T, Han M et al. High-sensitivity, high-frequency extrinsic Fabry-Perot interferometric fiber-tip sensor based on a thin silver diaphragm[J]. Optics Letters, 37, 1505-1507(2012).
[60] Liu B, Lin J, Liu H et al. Extrinsic Fabry-Perot fiber acoustic pressure sensor based on large-area silver diaphragm[J]. Microelectronic Engineering, 166, 50-54(2016).
[61] Liu B, Zhou H, Liu L et al. An optical fiber Fabry-Perot microphone based on corrugated silver diaphragm[J]. IEEE Transactions on Instrumentation and Measurement, 67, 1994-2000(2018).
[62] Qi X G, Wang S, Jiang J F et al. Flywheel-like diaphragm-based fiber-optic Fabry-Perot frequency tailored acoustic sensor[J]. Journal of Physics D: Applied Physics, 53, 415102(2020).
[63] Xiang Z W, Dai W Y, Rao W Y et al. A gold diaphragm-based Fabry-Perot interferometer with a fiber-optic collimator for acoustic sensing[J]. IEEE Sensors Journal, 21, 17882-17888(2021).
[64] Liu X Y, Jiang J F, Wang S et al. A compact fiber optic Fabry-Perot sensor for simultaneous measurement of acoustic and temperature[J]. IEEE Photonics Journal, 11, 7104710(2019).
[65] Ren D P, Liu X, Zhang M Y et al. Low-frequency Bi-directional microphone based on a combination of bionic MEMS diaphragm and fiber acousto-optic transducer[J]. IEEE Sensors Journal, 21, 14655-14665(2021).
[66] Liu J, Yuan L, Lei J C et al. Micro-cantilever-based fiber optic hydrophone fabricated by a femtosecond laser[J]. Optics Letters, 42, 2459-2462(2017).
[67] Yuan L, Zhang Y N, Liu J et al. Ultrafast laser ablation of silica optical fibers for fabrication of diaphragm/cantilever-based acoustic sensors[J]. Journal of Laser Applications, 29, 022206(2017).
[68] Moradi H, Parvin P, Ojaghloo A et al. Ultrasensitive fiber optic Fabry Pérot acoustic sensor using phase detection[J]. Measurement, 172, 108953(2021).
[69] O'Donnell M, Ashkenazi S, Guo L J et al. High-frequency ultrasound transduction using polymer microring resonators[C], 1056-1059(2006).
[70] Zhang C, Ling T, Chen S L et al. Ultrabroad bandwidth and highly sensitive optical ultrasonic detector for photoacoustic imaging[J]. ACS Photonics, 1, 1093-1098(2014).
[71] Chen H, Shao Z H, Hao Y X et al. A high-frequency hydrophone using an optical fiber microknot resonator[J]. Optics Communications, 446, 77-83(2019).
[72] Chistiakova M V, Armani A M. Photoelastic ultrasound detection using ultra-high-Q silica optical resonators[J]. Optics Express, 22, 28169-28179(2014).
[73] Han C Y, Zhao C Y, Ding H et al. Spherical microcavity-based membrane-free Fizeau interferometric acoustic sensor[J]. Optics Letters, 44, 3677-3680(2019).
[74] Sun J L, Meng J W, Tang S J et al. An encapsulated optical microsphere sensor for ultrasound detection and photoacoustic imaging[J]. Science China Physics, Mechanics & Astronomy, 65, 224211(2022).
[75] Han C Y, Ding H, Li B J et al. A miniature fiber-optic microphone based on Plano-concave micro-interferometer[J]. Review of Scientific Instruments, 93, 045001(2022).
[76] Fischer B, Fruthwirth R, Wintner E. Optical pressure transducer without membrane: an analysis of sensor noise sources[J]. INTER-NOISE and NOISE-CON Congress and Conference Proceedings, 2011, 2840-2850(2011).
[77] Fischer B. Optical microphone hears ultrasound[J]. Nature Photonics, 10, 356-358(2016).
[78] Wu L Y, Zheng Y Q, Xue C Y et al. An optical acoustic detection system based on Fabry Pérot etalon stability structure[J]. Micromachines, 12, 1564(2021).
[79] Chen J M, Xue C Y, Zheng Y Q et al. Fiber-optic acoustic sensor for flexibility and universality applications adopting phase modulation spectroscopy[J]. IEEE Sensors Journal, 21, 21631-21637(2021).
[80] Zhao X Y, Bai J D, Zheng Y Q et al. Research on high-temperature characteristics of a miniature Fabry-Pérot cavity acoustic sensor[J]. Optics Express, 30, 26609-26619(2022).
[81] Hua X Q, Zheng Y Q, Chen J M et al. Compact fiber-optic Fabry-Perot cavity based on sandwich structure adopting direct bonding of quartz glass[J]. Applied Optics, 61, 2818-2824(2022).
[82] Nguendon Kenhagho H, Canbaz F, Guzman R et al. Miniaturized optoacoustic feedback sensor for smart laser osteotome: Fiber-coupled Fabry-Pérot etalon sensor[J]. Sensors and Actuators A: Physical, 317, 112394(2021).
[83] Qiao X G, Shao Z H, Bao W J et al. Fiber-optic ultrasonic sensors and applications[J]. Acta Physica Sinica, 66, 074205(2017).
[84] Kaniak G, Rohringer W, Brauns M et al. Enhanced non-contact ultrasonic testing using an air-coupled optical microphone[C](2020).
