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Visible perfect reflectors realized with all-dielectric metasurface
Zhang, Qing; Liu, Chengpu; Gan, Gongwen; Cui, Xudong; xudcui@163.com
2017
发表期刊Opt. Commun.
卷号402页码:226
摘要Highrefractive index dielectric material with negligible absorption loss can offer strong confinement of light, providing a potential alternative to plasmonic materials at optical frequencies. Here, we demonstrate perfect reflectors with unit reflection (over 99%), by utilizing the Mie resonances of high index amorphous titanium dioxide (alpha TiO2) metasurface arrays. Full-wave simulation and realistic optical constants analysis show that, these perfect reflectors exhibiting (magnetic or electric) dipole resonance can produce a perfect magnetic conductor (PMC) or a perfect electric conductor (PEC). Specifically, such a PMC mirror does not reverse the phase (phi, = 0) of the reflected electric field, resulting in the standing wave close to the mirror has an enhanced maxima field. Therefore, an object placed closely to the surface of a PMC will have a significant stronger interaction with electric field than that placed to a PEC. This unique PMC metasurface serving as back reflectors may enhance light absorption in devices with thin active films, such as solar cells, light-emitting diodes and biosensor devices.
文章类型Article
部门归属强光
DOI10.1016/j.optcom.2017.05.053
资助者Science and Technology Development Fund of CAEP [2014A0302014] ; Science and Technology Development Fund of CAEP [2014A0302014] ; Science and Technology Development Fund of CAEP [2014A0302014] ; Science and Technology Development Fund of CAEP [2014A0302014]
收录类别SCI
资助者Science and Technology Development Fund of CAEP [2014A0302014] ; Science and Technology Development Fund of CAEP [2014A0302014] ; Science and Technology Development Fund of CAEP [2014A0302014] ; Science and Technology Development Fund of CAEP [2014A0302014]
WOS记录号WOS:000407985300039
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28744
专题强场激光物理国家重点实验室
通讯作者xudcui@163.com
作者单位中国科学院上海光学精密机械研究所
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GB/T 7714
Zhang, Qing,Liu, Chengpu,Gan, Gongwen,et al. Visible perfect reflectors realized with all-dielectric metasurface[J]. Opt. Commun.,2017,402:226.
APA Zhang, Qing,Liu, Chengpu,Gan, Gongwen,Cui, Xudong,&xudcui@163.com.(2017).Visible perfect reflectors realized with all-dielectric metasurface.Opt. Commun.,402,226.
MLA Zhang, Qing,et al."Visible perfect reflectors realized with all-dielectric metasurface".Opt. Commun. 402(2017):226.
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