Analysis of the flyback effects on the serrodyne interferometric demodulation of fiber optic Bragg grating sensors

P. A. S. Jorge; Luis Alberto Almeida Ferreira; Jose Luis Santos

doi:10.1117/1.602510

1 May 2000 Analysis of the flyback effects on the serrodyne interferometric demodulation of fiber optic Bragg grating sensors

P. A. S. Jorge, Luis Alberto Almeida Ferreira, Jose Luis Santos

Author Affiliations +

Optical Engineering, Vol. 39, Issue 5, (May 2000). https://doi.org/10.1117/1.602510

An analysis is performed of the degradation of the signal readout of fiber optic Bragg grating sensors demodulated using the serrodyne interferometric technique. Experimental results are presented that validate the analysis. It is also shown that synchronous detection of the interferometric signal referenced to the serrodyne waveform that modulates the phase of the readout interferometer allows the elimination of the system dc offset introduced by the serrodyne flyback.

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P. A. S. Jorge, Luis Alberto Almeida Ferreira, and Jose Luis Santos "Analysis of the flyback effects on the serrodyne interferometric demodulation of fiber optic Bragg grating sensors," Optical Engineering 39(5), (1 May 2000). https://doi.org/10.1117/1.602510

Published: 1 May 2000

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