Compact generation of surface plasmon polariton Bessel-like beams

Zongkun Zhang; Haoyu Shang; Mingzhe Chong; Zheyu Fang; Mingyao Xia

doi:10.1117/12.3036378

27 November 2024 Compact generation of surface plasmon polariton Bessel-like beams

Zongkun Zhang, Haoyu Shang, Mingzhe Chong, Zheyu Fang, Mingyao Xia

Author Affiliations +

Proceedings Volume 13245, Plasmonics VIII; 132450V (2024) https://doi.org/10.1117/12.3036378
Event: SPIE/COS Photonics Asia, 2024, Nantong, Jiangsu, China

Abstract

Plasmonic Bessel-like beams have potential applications in nanophotonics, particularly in photonic circuits, micro manipulations, and near field-optical trapping. However, the existing methods all require an axicon-shaped or X-shaped slit array, which not only occupies a large space, but also affects the beam coverage range. In this paper, one compact strategy using two straight columns of nanoslits is proposed to generate a Bessel beam on the two sides. Bessel beams of different orders and tilted angles can be simply achieved using double slit arrays.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zongkun Zhang, Haoyu Shang, Mingzhe Chong, Zheyu Fang, and Mingyao Xia "Compact generation of surface plasmon polariton Bessel-like beams", Proc. SPIE 13245, Plasmonics VIII, 132450V (27 November 2024); https://doi.org/10.1117/12.3036378

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