Methods of signal averaging for a multimode fiber interferometer: an experimental study

Ivan Chapalo; Alexandr Petrov; Dmitry Bozhko; Michail Bisyarin; Oleg Kotov

doi:10.1117/12.2522398

11 April 2019 Methods of signal averaging for a multimode fiber interferometer: an experimental study

Ivan Chapalo, Alexandr Petrov, Dmitry Bozhko, Michail Bisyarin, Oleg Kotov

Author Affiliations +

Proceedings Volume 11028, Optical Sensors 2019; 110282Q (2019) https://doi.org/10.1117/12.2522398
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic

Abstract

Three methods of multimode fiber interferometer signal averaging are investigated theoretically and experimentally: the ensemble averaging, the averaging over a long realization, and the averaging over transverse coordinates of an output speckle pattern. The analysis is performed for two wavelengths and two launch conditions of the graded-index multimode fiber: few mode and multimode. Applicability of methods for practical applications is discussed.

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Ivan Chapalo, Alexandr Petrov, Dmitry Bozhko, Michail Bisyarin, and Oleg Kotov "Methods of signal averaging for a multimode fiber interferometer: an experimental study", Proc. SPIE 11028, Optical Sensors 2019, 110282Q (11 April 2019); https://doi.org/10.1117/12.2522398

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