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Journal of Zhejiang University SCIENCE C 1998 Vol.-1 No.-1 P.

http://doi.org/10.1631/FITEE.2400081


Single-layer chiral metasurface for circularly polarized light detection


Author(s):  Xinjie SUN, Xin HE, Zixin CAI, Xiang HAO

Affiliation(s):  College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   sunxj@zju.edu.cn, haox@zju.edu.cn

Key Words:  Optical metasurface, Polarization detection, Flat optical elements, Chiral metasurface


Xinjie SUN, Xin HE, Zixin CAI, Xiang HAO. Single-layer chiral metasurface for circularly polarized light detection[J]. Frontiers of Information Technology & Electronic Engineering, 1998, -1(-1): .

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author="Xinjie SUN, Xin HE, Zixin CAI, Xiang HAO",
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Abstract: 
Circular polarizers based on the metasurface suffer from the trade-off between the structural complexity and the polarization extinction ratio. Herein, we present a single-layer chiral metasurface with strong circular dichroism. The structure turns a circularly polarized incident beam into a linearly polarized one, achieving a high circular polarization extinction ratio. The operating wavelength of the proposed metasurface is tunable by changing the geometric parameters. Localized surface plasmon resonances between structures guarantee strong chiral optical effects of the metasurface. We further experimentally demonstrated the circular dichroism of the fabricated metasurface.

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