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Two wide-dynamic-range signal-recovery schemes for the fibre-optic gyroscope

Two wide-dynamic-range signal-recovery schemes for the fibre-optic gyroscope

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Two signal recovery schemes are proposed and demonstrated for the fibre-optic gyroscope which allow it to be operated at very high rotation rates. Both techniques transpose the Sagnac phase shift into that of a low-frequency electronic carrier signal. Initial results are presented for both recovery schemes.

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