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Dynamic strain measurement using an extrinsic Fabry-Perot interferometric sensor and an arrayed waveguide grating device

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5 Author(s)
A. J. Willshire ; Inst. for Energy & Environ., Univ. of Strathclyde, Glasgow, UK ; P. Niewczas ; L. Dziuda ; G. Fusiek
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In this paper, we demonstrate an interrogation system, based on an arrayed waveguide grating, capable of monitoring dynamic strain in a cantilever beam at frequencies up to 5 kHz (limited by the actuator) with a similar precision to resistive strain gauges.

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IEEE Transactions on Instrumentation and Measurement  (Volume:53 ,  Issue: 1 )