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. 2019 Jul 10;9:9969. doi: 10.1038/s41598-019-46433-z

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© The Author(s) 2019

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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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(a) The first category of vector vortex beam with the variation of polarization mode in the order of (TE → TM → TE → TM) with m = {1, 1, 2, 2} and n = 0. (a) Simulated beam intensity distributions without polarization analyzer at different propagation distances. (b) The corresponding intensity distributions analyzed with vertical or horizontal linear polarizer. (c) Simulated polarization distributions at different propagation distances. (d,e) The corresponding measured beam intensity distributions. The detailed transition processes of both beam intensity and polarization distributions are shown in the supplementary video.