Abstract
We describe an active form of a frequency division matrix array network developed to support both interferometric sensors and fiber Bragg gratings to demodulate both quasistatic and periodic measurands. Novel telemetry allows an improved measurement range using a single source and uses a fundamental interferometric principle for self-calibration. High resolution is achieved through active but remote demodulation of passive sensors. A resolution of 0.019 nm with a measurement range of 62.8 \mum for an interferometric sensor and a strain resolution of 0.19 \mu\varepsilon with a measurement range of 6.28 m\varepsilon was obtained for fiber Bragg grating sensors.
[IEEE ]
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