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Proceedings Paper

Closed-form analytical Mie theory of vector complex source vortices
Author(s): Sergej Orlov; Justas Berškys; Klemensas Laurinavičius
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Paper Abstract

Gaussian beam and higher modes can be introduced by making the position of their source complex (moving it to the complex point). This concept has lead later to the introduction of so-called complex source beams. We build here upon our previous development of complex source vortices (CSV) and introduce an analytical expansion of scalar CSVs into spherical multipoles. We extend it to the vector CSVs and study in detail cases of rather complex polarisation topologies. This expansion enables us to introduce a closed-form analytical Mie theory. We apply our developments to investigate chiral planar nanostructures and optimise their optical properties.

Paper Details

Date Published: 24 February 2020
PDF: 9 pages
Proc. SPIE 11297, Complex Light and Optical Forces XIV, 1129705 (24 February 2020); doi: 10.1117/12.2546779
Show Author Affiliations
Sergej Orlov, State Research Ctr. for Physical Sciences and Technology (Lithuania)
Justas Berškys, State Research Ctr. for Physical Sciences and Technology (Lithuania)
Klemensas Laurinavičius, State Research Ctr. for Physical Sciences and Technology (Lithuania)

Published in SPIE Proceedings Vol. 11297:
Complex Light and Optical Forces XIV
David L. Andrews; Enrique J. Galvez; Halina Rubinsztein-Dunlop, Editor(s)

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