Title :
Gain in hydrostatic pressure sensitivity of coated fibre Bragg grating
Author :
Hill, D.J. ; Cranch, G.A.
Author_Institution :
Defence Evaluation & Res. Agency, Dorchester, UK
fDate :
7/22/1999 12:00:00 AM
Abstract :
Theoretical results that predict a gain in the pressure sensitivity of a fibre Bragg grating when coated in an elastoplastic material are reported. Experimental results using a highly sensitive interferometric interrogation scheme confirm that at least 25 dB of gain is achievable
Keywords :
Bragg gratings; coatings; elastoplasticity; fibre optic sensors; pressure sensors; 25 dB; coated fibre Bragg grating; elastoplastic material; gain; hydrostatic pressure sensitivity; interferometric interrogation scheme;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19990805
