GENERATION OF ULTRA-WIDEBAND MULTI-MODE VORTEX WAVES BASED ON MONOLAYER REFLECTIVE METASURFACE | Zendy

Xiaohang Dong | Zendy; Hengyi Sun | Zendy; Chang Qing Gu | Zendy; Zhuo Li | Zendy; Xinlei Chen | Zendy; Baijie Xu | Zendy

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GENERATION OF ULTRA-WIDEBAND MULTI-MODE VORTEX WAVES BASED ON MONOLAYER REFLECTIVE METASURFACE

Author(s) -

Xiaohang Dong,

Hengyi Sun,

Chang Qing Gu,

Zhuo Li,

Xinlei Chen,

Baijie Xu

Publication year - 2019

Publication title -

progress in electromagnetics research m

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.216

H-Index - 31

ISSN - 1937-8726

DOI - 10.2528/pierm19010504

Subject(s) - wideband , mode (computer interface) , monolayer , optoelectronics , materials science , optics , computer science , physics , nanotechnology , operating system

In this paper, a monolayer metasurface that can simultaneously generate multi-mode vortex waves in ultra-wideband is proposed. Smooth phase variation is obtained by properly assigning the arm lengths of arrow-shaped metal on the top of the reflective metasurface unit cell. Different reflective cells are arranged in different sectors to form a phase-shifted surface that can convert a linearly polarized plane wave into a vortex wave. The full-wave simulations show that the designed reflective metasurface can generate vortex wave with multi-mode in ultra-wideband from 18 GHz to 42 GHz, which is in good agreement with the theoretical analysis. The proposed reflective metasurface paves an effective approach to generate vortex wave with multi-mode in ultra-wideband for OAM-based systems. Compared to the traditional ways of generating vortex waves, our design has the advantage of wide bandwidth.

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