In-line fiber-optic Fabry-Perot ultrasound sensor formed by hollow-core photonic-crystal fiber

Rao, Yunjiang; Wang, Wei; Zhu, Tao; Duan, De-Wen

doi:10.1109/oecc.2009.5214271

Cited by 2 publications

(1 citation statement)

References 9 publications

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“…The development of a FPI fiber optic ultrasound sensor offers the potential to use it in fiber optic “smart structure” applications [ 9 ]. An in-line FPI fabricated from hollow-core PCF exhibits a wavelength pressure sensitivity twice as high as that of FBG which is ∼7.29 × 10 −3 nm/MPa [ 99 ]. In another work, an in-line silica capillary tube all-silica fiber-optic Fabry–Perot (ILSCT-ASFP) interferometric sensor has been demonstrated for high intensity focused ultrasound fields measurement.…”

Section: Sensing Applications Of Fabry-perot Interferometersmentioning

confidence: 99%

Chronology of Fabry-Perot Interferometer Fiber-Optic Sensors and Their Applications: A Review

Islam

Ali

Lai

et al. 2014

Sensors

343

141

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Optical fibers have been involved in the area of sensing applications for more than four decades. Moreover, interferometric optical fiber sensors have attracted broad interest for their prospective applications in sensing temperature, refractive index, strain measurement, pressure, acoustic wave, vibration, magnetic field, and voltage. During this time, numerous types of interferometers have been developed such as Fabry-Perot, Michelson, Mach-Zehnder, Sagnac Fiber, and Common-path interferometers. Fabry-Perot interferometer (FPI) fiber-optic sensors have been extensively investigated for their exceedingly effective, simple fabrication as well as low cost aspects. In this study, a wide variety of FPI sensors are reviewed in terms of fabrication methods, principle of operation and their sensing applications. The chronology of the development of FPI sensors and their implementation in various applications are discussed.

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Section: Sensing Applications Of Fabry-perot Interferometersmentioning

confidence: 99%

Chronology of Fabry-Perot Interferometer Fiber-Optic Sensors and Their Applications: A Review

Islam

Ali

Lai

et al. 2014

Sensors

343

141

View full text Add to dashboard Cite

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Sensitivity Characteristics of Fabry-Perot Pressure Sensors Based on Hollow-Core Microstructured Fibers

Jin

Guan

Wei

2013

J. Lightwave Technol.

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In this paper, the sensitivity characteristics of Fabry-Perot (F-P) hydrostatic pressure sensor based on two different hollow-core (HC) microstructured optical fibers are experimentally and theoretically investigated. The sensors are fabricated by simply splicing a length of HC fiber to singlemode fibers. Hydrostatic pressure is measured by monitoring the wavelength shifts of the interferometric fringes as a result of the two reflection beams at the splicing points. The measured pressure sensitivities of F-P sensors fabricated on the simplified HC microstructured fiber and hollow-core photonic bandgap fiber (HC-PBGF) are 17.3 and 23.4 pm/MPa, respectively. Theoretical investigation is then carried out based on the analysis of elastic properties for the individual fibers. The calculated result suggests that the pressure sensitivities are dominantly determined by the induced changes in cavity length. In comparison, the contribution of mode-index change is slight. The mechanisms behind the mode-index changes for the two fibers are clarified by analyzing the deformation of the fiber structure under pressure. The holey microstructure is highly deformable compared to the solid fiber, which provide another dimension for the implementation of tunable photonic devices.

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In-line fiber-optic Fabry-Perot ultrasound sensor formed by hollow-core photonic-crystal fiber

Abstract: An in-line fiber-optic Fabry-Perot sensor formed by hollow-core photonic crystal fiber is used for ultrasound detection. The experimental results show that the wavelength-pressure sensitivity is ~7.29 10 -3 nm/MPa, which is about twice more than that of FBG.

Cited by 2 publications

References 9 publications

Chronology of Fabry-Perot Interferometer Fiber-Optic Sensors and Their Applications: A Review

Chronology of Fabry-Perot Interferometer Fiber-Optic Sensors and Their Applications: A Review

Sensitivity Characteristics of Fabry-Perot Pressure Sensors Based on Hollow-Core Microstructured Fibers

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