Dual-Channel Mid-Infrared Toroidal Metasurfaces for Wavefront Modulation and Imaging Applications.

Jingyu Zhang, Chang Liu, Hengli Feng, Dongchao Fang, Jincheng Wang, Zuoxin Zhang, Yachen Gao, Yang Gao

Abstract read

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Article in Nanomaterials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Authors and funding

8 authors.

Jingyu ZhangSchool of Electronic Engineering, Heilongjiang University, Harbin 150080, China.

Chang LiuSchool of Electronic Engineering, Heilongjiang University, Harbin 150080, China.

Hengli FengSchool of Electronic Engineering, Heilongjiang University, Harbin 150080, China.

Dongchao FangSchool of Electronic Engineering, Heilongjiang University, Harbin 150080, China.

Jincheng WangSchool of Electronic Engineering, Heilongjiang University, Harbin 150080, China.

Zuoxin ZhangSchool of Electronic Engineering, Heilongjiang University, Harbin 150080, China.

Yachen GaoSchool of Electronic Engineering, Heilongjiang University, Harbin 150080, China.ORCID 0000-0002-0333-1281

Yang GaoSchool of Electronic Engineering, Heilongjiang University, Harbin 150080, China.

Funding

Heilongjiang University Outstanding Youth Science Fund of Heilongjiang University JCL201404Heilongjiang University Youth Science Fund Project QL201301Natural Science Foundation of Heilongjiang Province LH2019F047The Science and Technology Research Project of the Education Department of Heilongjiang Province 12541633

6 · The paper itself

Abstract

In this paper, we propose a dual-channel mid-infrared toroidal metasurface that consists of split equilateral triangular rings. The electromagnetic responses are analyzed by the finite-difference-time-domain (FDTD) method and temporal coupled-mode theory (TCMT). The results show that one channel of the metasurface is insensitive to the polarization angle of the incident light and temperature, while the other channel is sensitive. The reflectance and resonance wavelength can be manipulated by the polarization angle and temperature independently. Based on such a mechanism, we propose metasurfaces for two-bit programmable imaging and thermal imaging. The metasurfaces are believed to have potential applications in information processing and thermal radiation manipulation.

Indexed as

metasurfaceprogrammable imagingthermal imagingtwo channels

Identifiers

PMID36234428

DOI10.3390/nano12193300

PMCPMC9565356

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