Title :
All-fibre Bragg grating strain-sensor demodulation technique using a wavelength division coupler
Author :
Davis, M.A. ; Kersey, A.D.
Author_Institution :
Div. of Opt. Sci., US Naval Res. Lab., Washington, DC, USA
fDate :
1/6/1994 12:00:00 AM
Abstract :
A simple all optical fibre wavelength shift detection scheme, for use with fibre Bragg grating sensing systems, is described. The system is based on the use of a wavelength division coupler designed to exhibit a monotonic dependence of the splitting ratio on wavelength over a 50nm range
Keywords :
demodulation; diffraction gratings; feedback; fibre optic sensors; optical couplers; optical modulation; strain gauges; strain measurement; tuning; wavelength division multiplexing; all optical fibre wavelength shift detection scheme; all-fibre Bragg grating strain-sensor demodulation technique; fibre Bragg grating sensing systems; monotonic dependence; splitting ratio; wavelength division coupler;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19940059
