All-fibre frequency shifters using multiple acoustic transducers

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All-fibre frequency shifters using multiple acoustic transducers

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© The Institution of Electrical Engineers
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Frequency shifters in which several acoustic transducers act on an optical fibre potentially offer lower power consumption and a greater choice of operating frequency than surface acoustic wave devices. A computer model is presented and maximum predicted efficiencies and sideband suppressions for various configurations are reported.

Inspec keywords: acoustic transducers; fibre optic sensors

Other keywords: multiple acoustic transducers; maximum predicted efficiencies; all-fibre configuration; optical fibre; laser Doppler velocimetry; coherent sensors; sideband suppressions; frequency shifters; computer model

Subjects: Sonic and ultrasonic transducers and sensors; Fibre optic sensors; Acoustical measurements and instrumentation; Fibre optic sensors; fibre gyros; Fibre optics

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