All-fiber-optic sensor for relative humidity measurement

Zhao, Yu; Jin, Yongxing; Liang, Houhui; Dong, Xinyong; Wang, Jianfeng

doi:10.1109/iceoe.2011.6013181

Cited by 4 publications

(5 citation statements)

References 13 publications

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“…In 2011, Zhao et al [ 49 ] presented an RH sensor based on an SMF-MMF-SMF fiber structure. A thin layer of polyvinyl alcohol (PVA) was used to coat the MMF.…”

Section: Mmi-based Fiber-optic Sensorsmentioning

confidence: 99%

“…In 2013, the same research group of Ref. [ 49 ] presented a similar RH sensor with an SMF-MMF-SMF structure [ 51 ]. In this work, the operating range improved.…”

Section: Mmi-based Fiber-optic Sensorsmentioning

confidence: 99%

“…An et al [ 52 ], in 2014, presented a sensitivity enhancement over the RH sensor presented in Ref. [ 49 ]. The main difference consists of the implementation of bitapers at both ends of the MMF.…”

Section: Mmi-based Fiber-optic Sensorsmentioning

confidence: 99%

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Optical Sensing Using Fiber-Optic Multimode Interference Devices: A Review of Nonconventional Sensing Schemes

Guzmán-Sepúlveda

Guzmán-Cabrera

Castillo-Guzman

2021

Sensors

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We review fiber-based multimode interference (MMI) devices with a particular focus on optical fiber-based sensing applications. The present review complements a recently published, extensive review where the sensing of conventional physical variables such as refractive index, temperature, displacement, and strain was covered. This review focuses on MMI fiber sensors for nonconventional physical variables, including mechanical, electromagnetic, chemical, and optical, covering around fifteen years of work in the field. Finally, by the end of this paper, we also review some new trends of MMI-based schemes based on polymer fibers, for wavelength-locking applications, for retrieving the thermo-optic coefficient of liquid samples, and for measuring the dynamics of complex fluids.

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“…In 2011, Zhao et al [ 49 ] presented an RH sensor based on an SMF-MMF-SMF fiber structure. A thin layer of polyvinyl alcohol (PVA) was used to coat the MMF.…”

Section: Mmi-based Fiber-optic Sensorsmentioning

confidence: 99%

“…In 2013, the same research group of Ref. [ 49 ] presented a similar RH sensor with an SMF-MMF-SMF structure [ 51 ]. In this work, the operating range improved.…”

Section: Mmi-based Fiber-optic Sensorsmentioning

confidence: 99%

See 1 more Smart Citation

Optical Sensing Using Fiber-Optic Multimode Interference Devices: A Review of Nonconventional Sensing Schemes

Guzmán-Sepúlveda

Guzmán-Cabrera

Castillo-Guzman

2021

Sensors

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“…In addition, different ways to generate evanescent field were tested, as for example, hetero-core optical fibers [119], no-core fiber structures [120], sub-wavelength diameter fiber taper [90] and multi-modal fibres [121]. …”

Section: Optical Humidity Sensorsmentioning

confidence: 99%

“…Today, efforts to improve of the performance of EFHS are mainly focused on research into novel, more sensitive hydrophilic materials as, for example, mats of electro-spun nano-fiber [ 116 ], layer of di-ureasil xerogel containing lithium bits [ 76 , 77 ], titanium dioxide nano-particles [ 117 ] or thin film of silica sol-gel [ 118 ]. In addition, different ways to generate evanescent field were tested, as for example, hetero-core optical fibers [ 119 ], no-core fiber structures [ 120 ], sub-wavelength diameter fiber taper [ 90 ] and multi-modal fibres [ 121 ].…”

Section: Optical Humidity Sensorsmentioning

confidence: 99%

Toward a New Generation of Photonic Humidity Sensors

Kolpakov

Gordon

Mou

et al. 2014

Sensors

118

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This review offers new perspectives on the subject and highlights an area in need of further research. It includes an analysis of current scientific literature mainly covering the last decade and examines the trends in the development of electronic, acoustic and optical-fiber humidity sensors over this period. The major findings indicate that a new generation of sensor technology based on optical fibers is emerging. The current trends suggest that electronic humidity sensors could soon be replaced by sensors that are based on photonic structures. Recent scientific advances are expected to allow dedicated systems to avoid the relatively high price of interrogation modules that is currently a major disadvantage of fiber-based sensors.

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