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Discrete-like diffraction dynamics in free space
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DOI：10.1364/OE.21.017951.png)
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Abstract
En 中文
We introduce a new class of paraxial optical beams exhibiting discrete-like diffraction patterns reminiscent to those observed in periodic evanescently coupled waveguide lattices. It is demonstrated that such paraxial beams are analytically described in terms of generalized Bessel functions. Such effects are elucidated via pertinent examples. (C) 2013 Optical Society of America
Keywords:
GENERALIZED BESSEL-FUNCTIONS
PHOTONIC LATTICES
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