Title :
Multiplexing optical sensors using spatial light modulator
Author :
Walker, J.C. ; Holmes, Reid ; Jones, G.R.
Author_Institution :
Dept. of Electr. Eng. & Electron., Liverpool Univ., UK
Abstract :
Most optical sensor multiplexing systems results in a decrease in signal to noise ratio for each additional sensor added to the network. A technique using a spatial light modulator (SLM) which overcomes this problem is described. The techniques has been tested in a system which addresses eight photoelastic strain sensors.
Keywords :
fibre optic sensors; multiplexing; optical modulation; strain measurement; optical sensor multiplexing systems; photoelastic strain sensors; signal to noise ratio; spatial light modulator;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19911252
