Journal ArticleDOI
Recent progress in fiber-optic extrinsic Fabry–Perot interferometric sensors
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In this article, the optical amplification technology is adopted into the EFPI sensor system to enhance the interferometric signal considerably, and both spatial-frequency multiplexing and coarse-wavelength division multiple-xing technologies are demonstrated for the Fizeau sensor in order to realize the measurement of multiple parameters such as displacement, transverse load, static strain, temperature, and vibration.About:
This article is published in Optical Fiber Technology.The article was published on 2006-07-01. It has received 356 citations till now.read more
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Journal ArticleDOI
Interferometric Fiber Optic Sensors
Byeong Ha Lee,Youngho Kim,Kwan Seob Park,Joo Beom Eom,Myoung Jin Kim,Byung Sup Rho,Hae Young Choi +6 more
TL;DR: Each type of interferometric sensor is reviewed in terms of operating principles, fabrication methods, and application fields and some specific examples of recently reported interferometeric sensor technologies are presented in detail to show their large potential in practical applications.
Journal ArticleDOI
Fibre Optic Sensors for Structural Health Monitoring of Aircraft Composite Structures: Recent Advances and Applications.
TL;DR: Recent research and applications in structural health monitoring of composite aircraft structures using FOS have been critically reviewed, considering both the multi-point and distributed sensing techniques.
Journal ArticleDOI
Temperature-insensitive miniaturized fiber inline Fabry-Perot interferometer for highly sensitive refractive index measurement
TL;DR: The miniaturized fiber inline Fabry-Perot interferometer, with an open micro-notch cavity fabricated by one-step fs laser micromachining, is reported for highly sensitive refractive index measurement.
Journal ArticleDOI
Miniature fiber-optic high temperature sensor based on a hybrid structured Fabry-Perot interferometer
TL;DR: A miniature Fabry-Perot (FP) interferometric fiber-optic sensor suitable for high-temperature sensing is proposed and demonstrated and shows that the thermal-optics effect of the cavity material is much more appreciable than its thermal expansion.
Journal ArticleDOI
All-fiber Mach-Zehnder interferometers for sensing applications
TL;DR: Experimental results showed that the liquid refractive index information can be simultaneously provided from measuring the sensitivity of the liquid level and from employing a multimode fiber as a mode coupler in the thinned fiber based Mach-Zehnder interferometer.
References
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Journal ArticleDOI
Recent progress in fibre optic low-coherence interferometry
Yun-Jiang Rao,David A. Jackson +1 more
TL;DR: A review of recent progress in signal processing, sensor developments and multiplexing techniques for fiber optic low-coherence interferometry is presented, with an emphasis on the new developments in this field which have the potential to be exploited for practical applications as mentioned in this paper.
Journal ArticleDOI
Miniature fiber-optic pressure sensor
Yizheng Zhu,Anbo Wang +1 more
TL;DR: In this article, a fiber-optic pressure sensor was fabricated by simple techniques involving only fusion splicing, cleaving, and wet chemical etching, which measured only 125 /spl mu/m in diameter.
Journal ArticleDOI
All-fiber high-sensitivity pressure sensor with SiO~2 diaphragm
Denis Donlagic,Edvard Cibula +1 more
TL;DR: The design and fabrication of a miniature fiber Fabry-Perot pressure sensor with a diameter of 125 microm with good repeatability and high sensitivity are achieved by on-line tuning of the diaphragm thickness during the sensor fabrication process.
Journal ArticleDOI
Novel long-period fiber gratings written by high-frequency CO2 laser pulses and applications in optical fiber communication
TL;DR: In this article, a novel long-period fiber gratings (LPFGs) fabricated by using a new writing technique that is mainly based on the thermal shock effect of focused high-frequency CO2 laser pulses at several kHz are reported.