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An investigation on the Bessel nature of single LP0,n modes excited using a Single mode - Multimode - Multimode fiber structure

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Abstract

We show that the free space propagation of an LP0,1 mode is qualitatively different from that of a Gaussian beam. Also, a modal purity ≥ 90% is sufficient for observing the Bessel nature of an LP0,n beam, except for the LP0,1 mode.

© 2016 Optical Society of America

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