Enhancement of FBG Multiplexing Capability Using a Spectral Tag Method

Multiplexing of fiber Bragg grating (FBG) sensors is one of the most effective technologies to reduce both installation and operation costs for quasi-distributive strain and temperature measurements such as smart structure applications. We propose a novel method of enhancing the multiplexing capabil...

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Veröffentlicht in:IEEE photonics technology letters 2008-12, Vol.20 (23), p.2013-2015
Hauptverfasser: Choi, Ki-Sun, Son, Ju-Youn, Kim, Geun-Jin, Lee, Kyoung-Shin, Youn, Jaesoon, Baik, Se-Jong, Im, Kiegon, Kim, Jae-Min, Kim, Young-Sang
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container_end_page 2015
container_issue 23
container_start_page 2013
container_title IEEE photonics technology letters
container_volume 20
creator Choi, Ki-Sun
Son, Ju-Youn
Kim, Geun-Jin
Lee, Kyoung-Shin
Youn, Jaesoon
Baik, Se-Jong
Im, Kiegon
Kim, Jae-Min
Kim, Young-Sang
description Multiplexing of fiber Bragg grating (FBG) sensors is one of the most effective technologies to reduce both installation and operation costs for quasi-distributive strain and temperature measurements such as smart structure applications. We propose a novel method of enhancing the multiplexing capability of a multipoint FBG sensor system without increasing system complexity by providing a unique spectral response as an identification tag to each FBG. The number of sensors in the proposed spectral tag method can increase as N ( N -1)/2 as the number of spectral codes N increases at the expense of the free spectral range.
doi_str_mv 10.1109/LPT.2008.2006065
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subjects Bragg gratings
Capacitive sensors
Costs
Distributed strain sensor
Expenses
fiber Bragg grating (FBG)
Fiber gratings
Intelligent sensors
Intelligent structures
multiple grating
Multiplexing
Photonics
Sensor systems
Sensors
Smart structures
Spectra
spectral code
Spectral response
spectral tag method
Strain
Strain measurement
Temperature measurement
Temperature sensors
wavelength-division multiplexing (WDM)
title Enhancement of FBG Multiplexing Capability Using a Spectral Tag Method
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