Multi-fold geometric phase metasurface with versatile operations for transmission and reflection

Bibliographic Details
Title: Multi-fold geometric phase metasurface with versatile operations for transmission and reflection
Authors: Faizan Faraz, Yuanqing Huang, Zhengping Zhang, Xiangming Wu, Guoping Chu, Taufeeq Ur Rehman Abbasi, Xiong Wang, Liming Si, Weiren Zhu
Source: Materials & Design, Vol 243, Iss , Pp 113090- (2024)
Publisher Information: Elsevier, 2024.
Publication Year: 2024
Collection: LCC:Materials of engineering and construction. Mechanics of materials
Subject Terms: High efficiency, Three-fold, Wide band, Transmission & reflection, Symmetry breaking, Geometric metasurface, Materials of engineering and construction. Mechanics of materials, TA401-492
More Details: We propose a high efficiency wideband three-fold geometric phase metasurface for versatile operation of transmission and reflection. The transmission coefficient as high as 87 % is achieved in the frequency range of f1 (15.4–15.8 GHz), while equal transmission and reflection are achieved in two frequency bands represented by f2 (14.6–15.2 GHz & 16–17 GHz) with maximum coefficient reaches 49 %. With geometric rotation, the phase shifts of the cross-polarized transmission and co-polarized reflection are six times the rotation angle within the frequency range of 14.6–17 GHz. Furthermore, by elaborately breaking the mirror symmetry while preserving rotational symmetry, interesting features of resonance frequency shift and mode splitting are observed, offering a more fruitful approach for versatile operations. To substantiate the proposed design, a metasurface prototype for vortex beam generation is fabricated and verified by microwave measurement.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 0264-1275
Relation: http://www.sciencedirect.com/science/article/pii/S0264127524004647; https://doaj.org/toc/0264-1275
DOI: 10.1016/j.matdes.2024.113090
Access URL: https://doaj.org/article/dd5c9b58bd574cbdbe0330112111d037
Accession Number: edsdoj.5c9b58bd574cbdbe0330112111d037
Database: Directory of Open Access Journals
More Details
ISSN:02641275
DOI:10.1016/j.matdes.2024.113090
Published in:Materials & Design
Language:English