Ultra Broadband Polarization Irrelevant Near Perfect Absorber Based on Composite Structure

doi:10.3390/mi13020267

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	Ultra Broadband Polarization Irrelevant Near Perfect Absorber Based on Composite Structure
	Y. L. Meng; J. H. Wu; S. M. Liu; Y. Li; B. Hu and S. Z. Jin
	2022
发表期刊	Micromachines
卷号	13 期号:2 页码:12
摘要	This paper proposes a near-perfect absorption device based on a cross-shaped titanium nanostructure and a multilayered structure. The multilayered bottom structure consists of alternately SiO2 and Ti. The whole device is put on a TiN substrate. The coupling between cross-shaped titanium nanostructures, and that between the cross-shaped titanium nanostructure and bottom multilayer, can further enhance the absorption at some wavelength where most of the energy is reflected or passes through in the device with a single structure. According to the simulation results, the device presents a nearly perfect absorption in a wavelength range from 300 nm to 2000 nm. The average absorptance in the wavelength range from 500 nm to 1400 nm exceeds 96%. This paper also provides a new idea for realizing perfect absorption, which is extensively used in sensing, controllable thermal emission, solar energy harvesting solar thermo-photovoltaic devices, and optoelectronic metrology.
DOI	10.3390/mi13020267
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收录类别	sci ; ei
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67293
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. L. Meng,J. H. Wu,S. M. Liu,et al. Ultra Broadband Polarization Irrelevant Near Perfect Absorber Based on Composite Structure[J]. Micromachines,2022,13(2):12.
APA	Y. L. Meng,J. H. Wu,S. M. Liu,Y. Li,&B. Hu and S. Z. Jin.(2022).Ultra Broadband Polarization Irrelevant Near Perfect Absorber Based on Composite Structure.Micromachines,13(2),12.
MLA	Y. L. Meng,et al."Ultra Broadband Polarization Irrelevant Near Perfect Absorber Based on Composite Structure".Micromachines 13.2(2022):12.

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