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. 2018 Nov 26;8:17387. doi: 10.1038/s41598-018-35889-0

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© The Author(s) 2018

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) Schematic of our vector HOT, with 2 μm silica beads to be trapped in a triangular pattern inside a trapping well of height 400 μm. (b) Experimental image of the six trapped beads with the corresponding measured intensity of each trapping HOPS beam, overlaid with the respective polarization structure. The HOPS beams can be geometrically represented on the HOPS as shown in (c). Insets in (c) show the measured intensity profiles, as well as those after projection through a linear polarizer set to vertical transmission, confirming the state of each mode. Note that here we have demonstrated simultaneous trapping with vector and scalar OAM beams with the same HOT.