Realization of the dynamic tunable for the vector vortex beams based on cascaded metasurfaces and liquid crystal phase retarder

Xiaoyan Yu; Jin Zhang

doi:10.1117/12.2654895

15 December 2022 Realization of the dynamic tunable for the vector vortex beams based on cascaded metasurfaces and liquid crystal phase retarder

Xiaoyan Yu, Jin Zhang

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Proceedings Volume 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022); 124783Z (2022) https://doi.org/10.1117/12.2654895
Event: Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 2022, Xi'an, China

Abstract

The vector vortex beams modulated by the dielectric metasurface is investigated theoretically and experimentally. We show that the vector vortex switch is realized by two metasurface with liquid crystal phase retarder. These operations simply require a combination of metasurface and liquid crystal phase retarder. When the Gaussian beams propagation through two cascaded metasurface combination, the vector polarized vortex or the circularly polarized vortex beam can be realized by inserting the liquid crystal phase retarder. With different incident polarizations, the arbitrary polarization states of the vector vortex beams on the hybrid-order Poincaré sphere can be generated. This study provides a method based on the cascaded metasurface combination to generate and manipulate the vector vortex beams.

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Xiaoyan Yu and Jin Zhang "Realization of the dynamic tunable for the vector vortex beams based on cascaded metasurfaces and liquid crystal phase retarder", Proc. SPIE 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 124783Z (15 December 2022); https://doi.org/10.1117/12.2654895

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KEYWORDS

Wave plates

Polarization

Liquid crystals

Dielectric polarization

Superposition

Gaussian beams

Switches

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