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Broadband long-wave infrared metamaterial absorber based on single-sized cut-wire resonators
Z. Qin; D. Meng; F. Yang; X. Shi; Z. Liang; H. Xu; D. R. Smith and Y. Liu
2021
发表期刊Optics Express
ISSN10944087
卷号29期号:13页码:20275-20285
摘要Broadband absorption is critical for the applications of metamaterial absorbers. In this work, a broadband long-wave infrared (LWIR) absorber with classical metal-dielectric-metal configuration is numerically demonstrated. The absorber consists of single-sized cut-wire arrays that show broadband and high extinction ratio, attributed to polarization-selective simultaneous excitation of propagated and localized surface plasmon resonances. The average absorption rate of the TM wave reaches 91.7% and 90% of the incident light is absorbed by the resonator in the wavelength range of 7.5-13.25m so that the average extinction ratio in the resonator layer reaches 125. The polarization insensitive broadband absorption can be obtained by a cross resonator which can be treated as a pair of cut-wires perpendicular to each other. Our metamaterial absorber with single-sized resonators shows spatially concentrated broadband absorption and may have promising applications for hot-electron devices, infrared imaging, and thermal detection. 2021 Optical Society of America.
DOI10.1364/OE.430068
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收录类别SCI ; EI
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/65080
专题中国科学院长春光学精密机械与物理研究所
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Z. Qin,D. Meng,F. Yang,et al. Broadband long-wave infrared metamaterial absorber based on single-sized cut-wire resonators[J]. Optics Express,2021,29(13):20275-20285.
APA Z. Qin.,D. Meng.,F. Yang.,X. Shi.,Z. Liang.,...&D. R. Smith and Y. Liu.(2021).Broadband long-wave infrared metamaterial absorber based on single-sized cut-wire resonators.Optics Express,29(13),20275-20285.
MLA Z. Qin,et al."Broadband long-wave infrared metamaterial absorber based on single-sized cut-wire resonators".Optics Express 29.13(2021):20275-20285.
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