Caustic design in periodic lattices

Efremidis, Nikolaos K. and Chremmos, Ioannis (2012) Caustic design in periodic lattices. Optics Letters, Optical Society of America, 37 (7). pp. 1277-1279. ISSN 0146-9592

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We study curved trajectory dynamics and design in discrete array settings. We find that beams with power law phases produce curved caustics associated with the fold and cusp type catastrophes. A parabolic phase produces a focus that suffers from spherical aberrations. More importantly, we find that by designing the initial phase or wavefront of the beam we can construct trajectories with pure power law caustics as well as aberration-free focusing of discrete waves.

Item Type: Article
Depositing User: Nikolaos Efremidis
Date Deposited: 26 Mar 2013 12:08
Last Modified: 12 Mar 2018 17:01

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