Correlation Processing of the Signals of the Single-Fiber Intermode Interferometer with a Small Number of Excited Modes

Y.N. Kulchin; Oleg B. Vitrik; Alexey D. Lantsov

doi:10.4028/www.scientific.net/KEM.381-382.627

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 381-382Correlation Processing of the Signals of the...

Correlation Processing of the Signals of the Single-Fiber Intermode Interferometer with a Small Number of Excited Modes

Abstract:

Possibilities of obtaining quantitative information about the deformation influence on the SFMI with a small number of excited modes by using a correlation method are investigated. It was shown that usage of diffusive scatterer allows us to transform the radiation of SFMI to a speckle field which can easily be processed. The working range of the SFMI deformation measurements is 0 – 160 µm with precision up to 10 µm.

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Periodical:

Key Engineering Materials (Volumes 381-382)

Pages:

627-630

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.381-382.627

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Online since:

June 2008

Authors:

Y.N. Kulchin, Oleg B. Vitrik, Alexey D. Lantsov

Keywords:

Correlation Method, Multimode Interferometer, Signal Processing, Speckle Field

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References

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