Wide-angle Spectrally Selective Perfect Absorber by Utilizing Dispersionless Tamm Plasmon Polaritons.

Wide-angle Spectrally Selective Perfect Absorber by Utilizing Dispersionless Tamm Plasmon Polaritons.
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利用无色散塔姆等离子体激元的广角光谱选择性完美吸收器

DOI:
10.1038/srep39418
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发表时间:
2016-12-19
期刊:
影响因子:
4.6
通讯作者:
Chen H
Chen H
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Xue CH;Wu F;Jiang HT;Li Y;Zhang YW;Chen H

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从理论上研究了TM偏振下利用无色散Tamm等离子体激元(TPP)制作的广角光谱选择性吸收材料。TPP是发生在一维光子晶体(1DPC)与金属平板界面上的共振隧穿效应,其色散特性本质上由1DPC的色散特性决定。我们的研究表明,在金属衬底上含有双曲异质材料(HMM)的1DPC中,可以激发出无色散的TPP。基于无色散的TPP,电磁波穿透金属衬底,完全被有损耗的金属吸收,对TM偏振表现出窄带和广角的完美吸收。结果表明,在入射角为0-80度的范围内,吸收系数达到98%以上,表现出近乎完美的吸收。
We theoretically investigate wide-angle spectrally selective absorber by utilizing dispersionless Tamm plasmon polaritons (TPPs) under TM polarization. TPPs are resonant tunneling effects occurring on the interface between one-dimensional photonic crystals (1DPCs) and metal slab, and their dispersion properties are essentially determined by that of 1DPCs. Our investigations show that dispersionless TPPs can be excited in 1DPCs containing hyperbolic metamaterials (HMMs) on metal substrate. Based on dispersionless TPPs, electromagnetic waves penetrate into metal substrate and are absorbed entirely by lossy metal, exhibiting a narrow-band and wide-angle perfect absorption for TM polarization. Our results exhibit nearly perfect absorption with a value over 98% in the angle of incidence region of 0–80 degree.
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发表时间: 2012-04-30
影响因子: 4
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