Interference of speckle patterns projected by multimode fibers

M. Lomer; L. Rodriguez-Cobo; F. Madruga; J. M. Lopez-Higuera

doi:10.1117/12.2196283

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24 August 2015 Interference of speckle patterns projected by multimode fibers

M. Lomer, L. Rodriguez-Cobo, F. Madruga, J. M. Lopez-Higuera

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Proceedings Volume 9660, SPECKLE 2015: VI International Conference on Speckle Metrology; 96601S (2015) https://doi.org/10.1117/12.2196283
Event: SPECKLE 2015: VI International Conference on Speckle Metrology, 2015, Guanajuato, Mexico

Abstract

In this paper, the interference speckle patterns generated by multimode optical fibers are described. In our experience two types of interference are present, random interference between modes propagated in the fiber that give rise to speckle pattern, and not random speckle interference patterns using a Michelson interferometer generating a pattern of conventional interference. Multimode fibers using different materials and core radii have been obtained interference patterns quality characteristic reducing the effects of modal noise in fiber speckle patterns. Experimental results and their potential applications are presented.

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M. Lomer, L. Rodriguez-Cobo, F. Madruga, and J. M. Lopez-Higuera "Interference of speckle patterns projected by multimode fibers", Proc. SPIE 9660, SPECKLE 2015: VI International Conference on Speckle Metrology, 96601S (24 August 2015); https://doi.org/10.1117/12.2196283

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