A novel signal demodulation technique for chirped Bragg grating strain sensors

While Bragg grating strain sensors have been used in many applications, the need to monitor the variation in the grating's peak wavelength as well as the bandwidth has frequently required the use of expensive and bulky spectral decomposition systems. The increased use of chirped Bragg grating s...

Full description

Saved in:
Bibliographic Details
Published in:Smart materials and structures 2000-02, Vol.9 (1), p.85-94, Article 85
Main Authors: Fuhr, Peter L, Spammer, Stephanus J, Zhu, Yinian
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Information, signal and communications theory
Modulation, demodulation
Signal and communications theory
Telecommunications and information theory
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:While Bragg grating strain sensors have been used in many applications, the need to monitor the variation in the grating's peak wavelength as well as the bandwidth has frequently required the use of expensive and bulky spectral decomposition systems. The increased use of chirped Bragg grating sensors, where the bandwidth varies as the grating is subjected to external perturbations, also requires the use of these wavelength demodulation systems for proper use in many applications. In this paper we report the development and demonstration of a novel demodulation technique which may be readily used for chirped Bragg grating strain sensors. (Author)
ISSN:0964-1726
1361-665X
DOI:10.1088/0964-1726/9/1/309