Fiber Bragg grating sensor demodulation system using in-fiber long period grating filters

Heather J. Patrick; Alan D. Kersey; J. R. Pedrazzani; Ashish M. Vengsarkar

doi:10.1117/12.259816

27 November 1996 Fiber Bragg grating sensor demodulation system using in-fiber long period grating filters

Heather J. Patrick, Alan D. Kersey, J. R. Pedrazzani, Ashish M. Vengsarkar

Proceedings Volume 2838, Distributed and Multiplexed Fiber Optic Sensors VI; (1996) https://doi.org/10.1117/12.259816
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

We demonstrate a passive fiber Bragg grating sensor demodulator based on the wavelength-dependent transmission of long period grating filters. Strain resolution of the system was 1 (mu) (epsilon) for dc strain in a 3.3 Hz bandwidth. Quasi-static and dynamic operation of the system were investigated.

Citation Download Citation

Heather J. Patrick, Alan D. Kersey, J. R. Pedrazzani, and Ashish M. Vengsarkar "Fiber Bragg grating sensor demodulation system using in-fiber long period grating filters", Proc. SPIE 2838, Distributed and Multiplexed Fiber Optic Sensors VI, (27 November 1996); https://doi.org/10.1117/12.259816

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