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  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies
  • Technical Digest (CD) (Optica Publishing Group, 2004),
  • paper CWD4

Novel resonant cavity TDM demodulation scheme for FBG sensing

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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.

© 2004 Optical Society of America

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