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	Theoretical analysis of composite nanostructure with three-dimensional photonic lattice for ultra-broadband and polarization-independent absorption
	Y. Li; J. Wu; Y.-L. Meng; Y. Li; Y.-S. Li; G. Pan; J. Kang; C. Zhan; Z. Wang; S. Hu and S.-Z. Jin
	2023
发表期刊	Photonics and Nanostructures - Fundamentals and Applications
ISSN	15694410
卷号	55
摘要	In this study, we present a composite nanopillar array with an average absorption efficiency near 100% in an ultra-broad wavelength range from 300 nm to 2000 nm. In particular, the average absorption in the band range from 400 nm to 1000 nm is close to 99% due to the strong coupling between the composite nanopillars and a complementary absorption generated by the two kinds of nanopillars in one period. The real and imaginary parts of the absorber's impedance present a fluctuation near 1 and 0 in the entire wavelength range, which indicates an ultra-weak reflection of the absorber. The device also shows insensitivity to the polarization state and angle of incidence. The research offers a novel strategy for achieving high-efficiency light absorption in an ultra-broad wavelength range and boosts the potential value of composite nanostructures for thermophotovoltaic cells, electromagnetic stealth, and stray light suppression. © 2023 Elsevier B.V.
DOI	10.1016/j.photonics.2023.101154
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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/181722/67656
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Y. Li,J. Wu,Y.-L. Meng,et al. Theoretical analysis of composite nanostructure with three-dimensional photonic lattice for ultra-broadband and polarization-independent absorption[J]. Photonics and Nanostructures - Fundamentals and Applications,2023,55.
APA	Y. Li.,J. Wu.,Y.-L. Meng.,Y. Li.,Y.-S. Li.,...&S. Hu and S.-Z. Jin.(2023).Theoretical analysis of composite nanostructure with three-dimensional photonic lattice for ultra-broadband and polarization-independent absorption.Photonics and Nanostructures - Fundamentals and Applications,55.
MLA	Y. Li,et al."Theoretical analysis of composite nanostructure with three-dimensional photonic lattice for ultra-broadband and polarization-independent absorption".Photonics and Nanostructures - Fundamentals and Applications 55(2023).

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