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. 2023 Dec 12;13:22002. doi: 10.1038/s41598-023-49097-y

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Microband-shaped near-field lightwave distribution over a single NOA obtained by SNOM measurement and the correlated surface net-charge instantaneous distribution reconstructed. (a) The top viewing and 3D presentation of the amplitude S₇; (b) the top viewing of the phase φ₇; (c) the top viewing of an instantaneous dipole net-charge distribution; (d) the 3D viewing of an instantaneous negative net-charge distribution illuminated by SNOM beams; (e) the 3D viewing of an instantaneous positive net-charge distribution.