Speckle-pattern visibility of light transmitted through a multimode optical fiber

Abstract

We show that the reduction in visibility of the speckle pattern obtained from laser light that has been passed through a step-index light guide can be found from a knowledge of the model dispersion of the guide, and the bandwidth of the laser beam.

© 1976 Optical Society of America

Visibility of speckle patterns: effect of the optical guide length in coherent light

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