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Ultra-wideband terahertz absorber based on graphene modulation: retraction

Xiaogang Li, Guang Feng, and Suben Lin

Open Access Open Access

Abstract

The referenced paper [Appl. Opt. 60, 3170 (2021) [CrossRef]  ] has been retracted by the authors.

© 2021 Optica Publishing Group

The simulation results calculated from the finite-difference time domain (FDTD) method in [1] are not reproducible when using CST Microwave Studio. Additionally, the method of calculating oblique incidence in the paper is not correct. The paper has been retracted at the authors’ request.

The original paper was published 7 April 2021 and was retracted on 13 October 2021.

REFERENCE

1. X. Li, G. Feng, and S. Lin, “Ultra-wideband terahertz absorber based on graphene modulation,” Appl. Opt. 60, 3170–3175 (2021). [CrossRef]  

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