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Proceedings Paper

Mode-mode interference sensor with increasing number of modes along the multimode optical fiber
Author(s): Oleg Kotov; Ivan Chapalo; Andrey Medvedev
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Paper Abstract

In this article we discuss a special operation regime of mode-mode interferometer under selective coherent and continuous excitation of multimode fiber in which number of modes increases along the waveguide. Experimental investigations which demonstrated signal dependencies from number of mode groups propagating at the point of perturbation were carried out. Theoretical model was also developed. The results of the work can be fundamental for a new solution of localization task for distributed optical fiber sensors based on mode-mode interference in multimode optical fiber.

Paper Details

Date Published: 18 August 2014
PDF: 11 pages
Proc. SPIE 9203, Interferometry XVII: Techniques and Analysis, 92030B (18 August 2014); doi: 10.1117/12.2062158
Show Author Affiliations
Oleg Kotov, St. Petersburg State Polytechnical Univ. (Russian Federation)
Ivan Chapalo, St. Petersburg State Polytechnical Univ. (Russian Federation)
Andrey Medvedev, St. Petersburg State Polytechnical Univ. (Russian Federation)

Published in SPIE Proceedings Vol. 9203:
Interferometry XVII: Techniques and Analysis
Katherine Creath; Jan Burke; Joanna Schmit, Editor(s)

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