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Intensity-based modal analysis of partially coherent beams with Hermite–Gaussian modes

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Abstract

Many partially coherent beams are made up of a superposition of mutually uncorrelated Hermite–Gaussian modes. We prove that knowledge of the transverse intensity profile of such a beam is sufficient for evaluating the weights of the modes in an exact way. Simulations indicate that the proposed method resists noise well.

© 1998 Optical Society of America

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