Recent Progress in Fiber-Optic Hydrophones

Zhang, Meng; Chen, Wei; Wang, Jianfei; Hu, Xiaoyang; Chen, Mo; Zhang, Yichi

doi:10.1007/s13320-021-0618-5

Cited by 68 publications

(30 citation statements)

References 96 publications

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“…This combined with the fact that they are composed of a dielectric material, chemically inert and can be designed to withstand high temperatures, make them suitable for use in many harsh environments. As a result, they have found applications across many fields from underwater acoustic detection, current and power measurements in high power electric systems, to the detection of pressure and temperature in-vivo [18][19][20][21][22][23].…”

Section: Other Fiber Sensing Technologiesmentioning

confidence: 99%

Fiber Optic Sensing in Spacecraft Engineering: An Historical Perspective From the European Space Agency

McKenzie

Ibrahim²,

Haddad

et al. 2021

Front. Phys.

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For over two decades the European Space Agency has investigated the possibility of using fiber optic sensors in spacecraft engineering as tools to advance the monitoring and control of spacecraft. The applications have been diverse covering both launcher and satellite applications and encompassing environments from cryogenic to high temperature re-entry applications. The aim of this review is to capture the history and status of fiber optic sensors for space applications demonstrating the breadth of applications that have been studied and the lessons learnt along the way. Finally, it is the intention of this review to look forward, pointing to how this technology can be used in the future and identifying what are the key remaining challenges to its further successful exploitation.

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Section: Other Fiber Sensing Technologiesmentioning

confidence: 99%

Fiber Optic Sensing in Spacecraft Engineering: An Historical Perspective From the European Space Agency

McKenzie

Ibrahim²,

Haddad

et al. 2021

Front. Phys.

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“…There are several types of fiber-optic hydrophones, many of them based on building an additional structure placed at the fiber tip. A lot of research is focused on improving sensor sensitivity to accurately detect low pressure [20]. A Fabry-Perot based interferometric design is very common [21]- [23], while other structures are considered, too [24]- [27].…”

Section: Introductionmentioning

confidence: 99%

Localized Measurement of a Sub-Nanosecond Shockwave Pressure Rise Time

Petelin

Lokar

Horvat

et al. 2022

IEEE Trans. Ultrason., Ferroelect., Freq. Contr.

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In a growing number of applications fast and localized pressure measurement in aqueous media is desired. To perform such measurements a custom made single-mode fiber optic probe hydrophone (FOPH) was designed and used to measure the pressure pulse generated by laser induced breakdown in water. The sensor enabled sub-nanosecond pressure rise time measurement. Both the rise time and the duration of the shockwave were found to be shorter in the direction perpendicular to the breakdown generating laser beam, compared to the shockwave observed in the parallel direction. Simultaneous highframerate imaging was used to qualitatively validate the novel hydrophone data and to observe the shockwave evolution. The measurements were performed also on pressure pulses emitted during generation of miniature (150 µm diameter) laser-induced bubbles at very small distances (down to 40 µm), further demonstrating the capabilities of the small-size sensor and the ability to measure locally. The results improve understanding of laser induced breakdown shockwave characteristics dependence on laser pulse energy and duration.

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“…For reception, piezoelectric hydrophones can be constructed with polymers, such as polyvinyledine fluoride (PVDF), that enable them to provide an output voltage that varies according to acoustic pressure [12]. Besides PVDF, there are ultrasound sensors made with optical fibers [13][14][15][16][17][18][19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

“…A fiber-optic hydrophone (FOH) is an acoustic sensor that uses optical fibers as the sensing element, and can be applied in fields such as oil and gas exploration, earthquake inspection, and underwater object detection [15,30]. FOH is typically implemented based on optical interferometry, which offers greater sensitivity than piezoelectric hydrophones, and they are classed as phase-modulated sensors [7,31,32].…”

Section: Introductionmentioning

confidence: 99%

“…Other papers present applications and proof of concepts using FOH sensors. As examples, the largest array of FOHs in the world (16,000 sensor elements) is used undersea to permanently monitor oil reservoirs in the North Sea [15], an FOH is used to precisely detect cavitation bubbles under high ultrasound emissions [42], two 32-element line arrays were deployed off the San Diego's coast for object recognition underseas [43], an FOH was used to measure the power of hyperthermia transducers without being damaged [44], and a 50 MHz wideband FOH was developed to measure medical ultrasound fields [45].…”

Section: Introductionmentioning

confidence: 99%

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Fiber-Optic Hydrophone Based on Michelson’s Interferometer with Active Stabilization for Liquid Volume Measurement

Duque

Díaz

Leal‐Junior

et al. 2022

Sensors

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Sensing technologies using optical fibers have been studied and applied since the 1970s in oil and gas, industrial, medical, aerospace, and civil areas. Detecting ultrasound acoustic waves through fiber-optic hydrophone (FOH) sensors can be one solution for continuous measurement of volumes inside production tanks used by these industries. This work presents an FOH system composed of two optical fiber coils made with commercial single mode fiber (SMF) working in the sensor head of a Michelson’s interferometer (MI) supported by an active stabilization mechanism that drives another optical coil wound around a piezoelectric actuator (PZT) in the reference arm to mitigate external mechanical and thermal noise from the environment. A 1000 mL glass graduated cylinder filled with water is used as a test tank, inside which the sensor head and an ultrasound source are placed. For detection, amplitudes and phases are measured, and machine learning algorithms predict their respective liquid volumes. The acoustic waves create patterns electronically detected with resolution of 1 mL and sensitivity of 340 mrad/mL and 70 mvolts/mL. The nonlinear behavior of both measurands requires classification, distance metrics, and regression algorithms to define an adequate model. The results show the system can determine liquid volumes with an accuracy of 99.4% using a k-nearest neighbors (k-NN) classification with one neighbor and Manhattan’s distance. Moreover, Gaussian process regression using rational quadratic metrics presented a root mean squared error (RMSE) of 0.211 mL.

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Recent Progress in Fiber-Optic Hydrophones

Cited by 68 publications

References 96 publications

Fiber Optic Sensing in Spacecraft Engineering: An Historical Perspective From the European Space Agency

Fiber Optic Sensing in Spacecraft Engineering: An Historical Perspective From the European Space Agency

Localized Measurement of a Sub-Nanosecond Shockwave Pressure Rise Time

Fiber-Optic Hydrophone Based on Michelson’s Interferometer with Active Stabilization for Liquid Volume Measurement

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