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A review on optical fiber sensors for environmental monitoring

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Abstract

Environmental monitoring has become essential in order to deal with environmental resources efficiently and safely in the realm of green technology. Environmental monitoring sensors are required for detection of environmental changes in industrial facilities under harsh conditions, (e.g. underground or subsea pipelines) in both the temporal and spatial domains. The utilization of optical fiber sensors is a promising scheme for environmental monitoring of this kind, owing to advantages including resistance to electromagnetic interference, durability under extreme temperatures and pressures, high transmission rate, light weight, small size, and flexibility. In this paper, the optical fiber sensors employed in environmental monitoring are summarized for understanding of their sensing principles and fabrication processes. Numerous specific applications in petroleum engineering, civil engineering, and agricultural engineering are explored, followed by discussion on the potentials of OFS in manufacturing.

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Abbreviations

OFS:

Optical fiber sensor

FBG:

Fiber Bragg grating

LPFG:

Long period fiber grating

MZI:

Mach-Zehnder interferometer

MI:

Michelson interferometer

FPI:

Fabry-Perot interferometer

DAS:

Distributed acoustic system

OTDR:

Optical Time-Domain Reflectometry

OFDR:

Optical frequency -Domain Reflectometry

OFS:

Optical fiber sensor

BOTDA:

Brillouin Optical Time Domain Analysis

BOTDA:

Brillouin Optical Frequency Domain Analysis

RI:

Refractive index

UV:

Ultraviolet

Vis:

Visible

NIR:

Near infrared

SMF:

Single-Mode fiber

MMF:

Multi-Mode fiber

PCF:

Photonic crystal fiber

HOF:

Hollow optical fiber

CSF:

Coreless silica fiber

DTS:

Distributed temperature sensor

SHM:

Structural health monitoring

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  1. Department of Mechanical Engineering, Yonsei University, 50, Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea

    Hang-Eun Joe & Byung-Kwon Min

  2. School of Mechanical Engineering, Purdue University, 585 Purdue Mall, West Lafayette, IN, 47907-2088, USA

    Huitaek Yun, Seung-Hwan Jo & Martin B.G. Jun

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Joe, HE., Yun, H., Jo, SH. et al. A review on optical fiber sensors for environmental monitoring. Int. J. of Precis. Eng. and Manuf.-Green Tech. 5, 173–191 (2018). https://doi.org/10.1007/s40684-018-0017-6

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