Dynamic strain measurement using an extrinsic Fabry-Perot interferometric sensor and an arrayed waveguide grating device |
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| Authors: | Willshire A.J. Niewczas P. Dziuda L. Fusiek G. McDonald J.R. |
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| Affiliation: | Inst. for Energy & Environ., Univ. of Strathclyde, Glasgow, UK; |
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| Abstract: | 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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