Linearization of periodic contrast function for fiber optic dislocation sensor

Norbert Palka

doi:10.1117/12.568928

22 July 2004 Linearization of periodic contrast function for fiber optic dislocation sensor

Norbert Palka

Proceedings Volume 5484, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II; (2004) https://doi.org/10.1117/12.568928
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II, 2003, Wilga, Poland

Abstract

Influence of laser spectra on a fiber optic Michelson interferometer's contrast is mathematically described and simulated. Proposal of using contrast-based setup as elongation meter as well as method of measuring range increasing and algorithm for signal processing is also presented. Experimental setup and software were worked out. We obtained 5-mm measuring range, where the biggest difference between real and measured elongation is 25 μm.

Citation Download Citation

Norbert Palka "Linearization of periodic contrast function for fiber optic dislocation sensor", Proc. SPIE 5484, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II, (22 July 2004); https://doi.org/10.1117/12.568928

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