Design of graphene absorber based on multilayer F-P resonator

CHEN Yuwei; BIAN Li'an; LIU Peiguo; WANG Jian; FAN Chongyi

doi:10.7510/jgjs.issn.1001-3806.2023.03.005

LASER TECHNOLOGY > 2023 > 47(3): 317-321. > DOI: 10.7510/jgjs.issn.1001-3806.2023.03.005

CHEN Yuwei, BIAN Li'an, LIU Peiguo, WANG Jian, FAN Chongyi. Design of graphene absorber based on multilayer F-P resonator[J]. LASER TECHNOLOGY, 2023, 47(3): 317-321. DOI: 10.7510/jgjs.issn.1001-3806.2023.03.005

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Design of graphene absorber based on multilayer F-P resonator

1.
College of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China
2.
School of Physics & Electronic Science, Changsha University of Science & Technology, Changsha 410114, China

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Received Date: May 08, 2022
Revised Date: August 23, 2022
Published Date: May 24, 2023

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Abstract

Abstract

To find the connection between the number of near-full absorbing mode and the Fabry-Pérot (F-P) multilayer F-P cavity when single-layer graphene is located in the multilayer F-P cavity and to improve the system's controlling ability to the diversity of absorbing modes, rigorous coupled-wave analysis was adopted. The response characteristics of two-layer and three-layer F-P resonator under critical coupling conditions were analyzed. The results show that perfect absorbing modes of more than 99% and 96% can be respectively formed in two-layer and three-layer F-P cavity systems. Among them, the absorption characteristics of three-layer F-P nested cavity system can be adjusted by doping graphene, and the number and relative positions of absorption modes of three-layer nested cavity can be controlled by changing the structure of three-layer F-P cavity. The system introduces a richer absorbing line type.
- optical devices,
- absorber,
- rigorous coupled-wave analysis,
- Fabry-Pérot resonance,
- graphene

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