Numerical study of a ferrule-top cantilever optical fiber sensor for wind-tunnel applications and comparison with experimental results

A. Cipullo, G.L. Gruca, K. Heeck, F. De Filippis, D. Iannuzzi, A. Minardo, L. Zeni

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

We present a numerical analysis of an air flow velocity sensor based on a fiber-optic ferrule-top cantilever. The device forms a low-finesse Fabry-Perot interferometer, with one of the two reflecting surfaces constituted by a cantilever beam. Under the effect of the flow pressure, the cantilever bends producing a change in the cavity length of the Fabry-Perot and therefore a modification of its optical response. The numerical analysis, performed by use of finite-element method (FEM), is then compared with a set of experimental results obtained in a small wind-tunnel. © 2012 Elsevier B.V.
Original languageEnglish
Pages (from-to)17-25
Number of pages9
JournalSensors and Actuators A-Physical
Volume178
DOIs
Publication statusPublished - 2012

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