Interference of speckle patterns projected by multimode fibers
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AuthorLomer Barboza, Mauro Matías; Rodríguez Cobo, Luis; Madruga Saavedra, Francisco Javier; López Higuera, José Miguel
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.