Title :
Novel resonant cavity TDM demodulation scheme for FBG sensing
Author :
Lloyd, G.D. ; Bennion, L. ; Everall, L.A. ; Sugden, K.
Author_Institution :
Photonics Res. Group, Aston Univ., Birmingham, UK
Abstract :
A novel time-division-multiplexed Bragg grating interrogation system is presented, utilising a semiconductor optical amplifier within a resonating cavity. Without fast electronics, closely spaced low reflectivity gratings are interrogated with high signal power and low noise.
Keywords :
Bragg gratings; demodulation; fibre optic sensors; laser cavity resonators; optical fibre testing; semiconductor optical amplifiers; time division multiplexing; FBG sensing; resonant cavity TDM demodulation; semiconductor optical amplifier; time-division-multiplexed Bragg grating interrogation;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
