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posted on 2024-05-22, 11:52 authored by Sergio Martín-Domene, Luis Sánchez-Tejerina, Rodrigo Martín-Hernandez, Carlos Hernández-García
The Supplementary Material gives insights into using azimuthally polarized beams to obtain isolated circularly polarized B-fields. Section 1 describes the analytical equations governing the propagation of azimuthally polarized beams in the paraxial approximation. In addition, higher-order vector beams are described and analyzed, demonstrating the suitability of first-order azimuthally polarized beams for generating isolated B-fields. Section 2 solves the Maxwell equations to retrieve the E-field required for obtaining isolated circularly polarized B-fields. The exceedingly complex structure of the retrieved E-fields-a vortex beam polarized along the longitudinal direction-justifies the use of multiple azimuthally polarized beams as a realistic approach to generating isolated circularly polarized B-fields.

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    Applied Physics Letters

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