Fiber optic grating interferometer for in-plane displacement measurement

Anna Kozlowska

doi:10.1117/12.195533

30 November 1994 Fiber optic grating interferometer for in-plane displacement measurement

Anna Kozlowska

Proceedings Volume 2341, Interferometry '94: Interferometric Fiber Sensing; (1994) https://doi.org/10.1117/12.195533
Event: International Conference on Interferometry '94, 1994, Warsaw, Poland

Abstract

A new fiber implementation of a grating interferometer for studying in- plane displacements of an object under load is presented. Applications of a fiber optic grating interferometers include laboratory and out of the laboratory tests of materials, construction elements and solving various mechanical problems, especially when a small sensor size is required. The system was tested for a specimen loaded in a four point bending configuration and phase methods for computer aided fringe analysis were implemented.

Citation Download Citation

Anna Kozlowska "Fiber optic grating interferometer for in-plane displacement measurement", Proc. SPIE 2341, Interferometry '94: Interferometric Fiber Sensing, (30 November 1994); https://doi.org/10.1117/12.195533

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