Closed-form analytical Mie theory of vector complex source vortices

Sergej Orlov; Justas Berškys; Klemensas Laurinavičius

doi:10.1117/12.2546779

24 February 2020 Closed-form analytical Mie theory of vector complex source vortices

Sergej Orlov, Justas Berškys, Klemensas Laurinavičius

Proceedings Volume 11297, Complex Light and Optical Forces XIV; 1129705 (2020) https://doi.org/10.1117/12.2546779
Event: SPIE OPTO, 2020, San Francisco, California, United States

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.

Citation Download Citation

Sergej Orlov, Justas Berškys, and Klemensas Laurinavičius "Closed-form analytical Mie theory of vector complex source vortices", Proc. SPIE 11297, Complex Light and Optical Forces XIV, 1129705 (24 February 2020); https://doi.org/10.1117/12.2546779

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