Hindawi Publishing CorporationJournal of SensorsVolume 2012, Article ID 735982, 1 pagedoi:10.1155/2012/735982
Editorial
Fiber Optic Sensors
Wolfgang Ecke,1 Kevin Chen,2 and Jinsong Leng3
1 Department of Fiber Optics, Institute of Photonic Technology, 07745 Jena, Germany2 Department of Electrical and Computer Engineering, Swanson School of Engineering, Pittsburgh University,Pittsburgh, PA 15261, USA
3 Center of Composite Materials and Structures, Harbin Institute of Technology, Harbin 150080, China
Correspondence should be addressed to Wolfgang Ecke, [email protected]
Received 12 June 2012; Accepted 12 June 2012
Copyright © 2012 Wolfgang Ecke et al. This is an open access article distributed under the Creative Commons Attribution License,which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Optical fiber sensors find increasing applications in areasranging from structural health monitoring to biophotonicsensing. The unique properties of optical fibers and sensorstructures support such progress: complete immunity toelectromagnetic fields, high voltage, lightning; operationin explosive or chemically aggressive and corrosive media(energy, oil, gas); light weight, miniaturized, flexible; lowthermal conductivity, temperature-resistant material (high-end and low-end temperatures); low-loss, noninterferingsignal transmission, ability to operate over long distances(remote sensing), multiplexing capability (sensor networks),and structure monitoring by embedding in composite mate-rials (smart structures).
New optical wave-guide materials and systems likeplastic optical fibers, sapphire optical fiber, photonic crystalfibers, and other nanostructures stimulate correspondingnew sensor developments making use of the specific materialadvantages.
In this issue you will find some examples of actualresearch, scientific technological development, and appli-cation of optical fiber sensors: a review on the status ofphotonic crystal fibers for sensing applications; fiber Bragggrating resonator structures resulting in an all-fiber DBR-based sensor interrogation system for measuring acousticwaves; the application of plastic optical fibers for sensingof fuel leakage in soil as well as of alcohol concentrationin liquors; application of laser Doppler velocimetry formeasurement of local blood velocity profiles.
Wolfgang EckeKevin Chen
Jinsong Leng
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