Microfluid-enabled fine tuning of circular dichroism from chiral metasurfaces
Microfluid-enabled fine tuning of circular dichroism from chiral metasurfaces
复制标题
手性超表面圆二色性的微流体微调
DOI:
10.1088/1361-6463/ab3129
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发表时间:
2019-07
期刊:
影响因子:
--
通讯作者:
Liu Yan Jun
中科院分区:
文献类型:
--
作者:
Peng Ruiheng;Liu Jianxun;Xiao Dong;Fang Xiaoguo;Yin Shengtao;Yin Zhen;Khoo Eng Huat;Luo Dan;Jiang Shouzhen;Dai Haitao;Liu Yan Jun
We propose and numerically demonstrate a microfluid-enabled spin-selective chiral metasurface with tunable circular dichroism. The chiral metasurface consists of periodic array of gammadion-like multilayer nanostructures. With the help of microfluidic technology, fine tuning of circular dichroism from the chiral metasurface can be achieved. Numerical results show that a broad tuning range of 40 nm can be achieved, while the circular dichroism only shows a slight decrease. Such a proposed device could be potentially useful for chirality detection, polarimetric imaging, and spin-communications.
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