DocumentCode
504713
Title
Real-time measurement of multi-point strain by fiber Bragg gratings using optical frequency sweeping
Author
Shinoda, Yukitaka ; Sasaki, Yu. ; Nagai, Kenichi ; Ogura, Izumi ; Higo, Takashi
Author_Institution
Coll. of Sci. & Technol., Nihon Univ., Tokyo, Japan
fYear
2009
fDate
18-21 Aug. 2009
Firstpage
5582
Lastpage
5585
Abstract
This paper is described how FBG and OFDR can be combined to cover a greater number of locations by using FBGs with identical characteristics in combination with FBGs with different reflection wavelengths. We report on our basic experiments on multi-point strain measurements with a real-time measurement system. It is shown that this system can determine the reflection wavelengths from multiple FBGs with the same reflection wavelength simultaneously every 4 seconds.
Keywords
Bragg gratings; fibre optic sensors; strain measurement; fiber Bragg gratings; multipoint point strain measurements; optical frequency sweeping; real-time measurement; reflection wavelengths; Bragg gratings; Fiber gratings; Frequency measurement; Optical interferometry; Optical reflection; Optical refraction; Optical sensors; Position measurement; Strain measurement; Wavelength measurement; OFDR; fiber Bragg grating; health-monitoring; strain measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
ICCAS-SICE, 2009
Conference_Location
Fukuoka
Print_ISBN
978-4-907764-34-0
Electronic_ISBN
978-4-907764-33-3
Type
conf
Filename
5334390
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