Topological properties of the interaction between focusing regions kind cusped

We study here the cusped-cusped interaction between two kinds of Pearcey optical fields by analyzing its topological structure. We do it in two steps; the first one is an irradiance interaction that allows us to identify organization regions. The second one is an amplitude interaction, where it is s...

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Bibliographic Details
Published in:Optics express 2016-06, Vol.24 (13), p.14648-14653
Main Authors: Martínez-Niconoff, G, Santos-García, S I De Los, Torres-Rodríguez, M A, Xique, R Suárez, Vargas-Morales, M, Vara, P Martinez, Carbajal-Domínguez, A
Format: Article
Language:English
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Summary:We study here the cusped-cusped interaction between two kinds of Pearcey optical fields by analyzing its topological structure. We do it in two steps; the first one is an irradiance interaction that allows us to identify organization regions. The second one is an amplitude interaction, where it is shown that the interference fringes are organized around the irradiance distribution. The topological behavior of the optical field is analyzed identifying regions with different phase functions, one of them, corresponds with a catastrophe function which has associated a focusing region, the other region can be approximated by a quadratic function. The main consequence heritage from the phase structure is interference fringes emerge from focusing regions having similar features like a topological charges. We show computational and experimental results which are in very well agreement with the theoretical model.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.24.014648