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	Broadband circular polarizers constructed using helix-like chiral metamaterials
	Ji, Ruonan1,2,3; Wang, Shao-Wei1,2; Liu, Xingxing1,2,3; Chen, Xiaoshuang1,2; Lu, Wei1,2
刊名	Nanoscale
	2016
卷号	8期号:31页码:14725-14729
ISSN号	2040-3364
DOI	10.1039/c6nr01738j
通讯作者	Wang, shao-wei(wangshw@mail.sitp.ac.cn)
英文摘要	In this paper, one kind of helix-like chiral metamaterial which can be realized by multiple conventional lithography or electron beam lithographic techniques is proposed to have a broadband bianisotropic optical response analogous to helical metamaterials. on the basis of twisted metamaterials, via tailoring the relative orientation within the lattice, the anisotropy of arcs is converted into magneto-electric coupling of closely spaced arc pairs, which leads to a broad bianisotropic optical response. by connecting the adjacent upper and lower arcs, the coupling of metasurface pairs is transformed into the coupling of the three-dimensional inclusions, and provides a much broader and higher bianisotropic optical response. for only a four-layer helix-like metamaterial, the maximum extinction ratio can reach 19.7. the operation band is in the wavelength range of 4.69 mu m to 8.98 mu m with an average extinction ratio of 6.9. and the transmittance for selective polarization is above 0.8 in the entire operation band. such a structure is a promising candidate for integratable and scalable broadband circular polarizers, especially it has great potential to act as a broadband circular micropolarizer in the field of the full-stokes division of focal plane polarimeters.
WOS关键词	3-DIMENSIONAL OPTICAL METAMATERIALS ; STOKES IMAGING POLARIMETER ; POLARIZATION ; MICROPOLARIZER ; DIVISION ; MODEL ; ARRAY
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目	Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
语种	英语
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000381442500005
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2376197
专题	中国科学院大学
通讯作者	Wang, Shao-Wei
作者单位	1.Chinese Acad Sci, Shanghai Inst Tech Phys, Natl Lab Infrared Phys, Shanghai 200083, Peoples R China 2.Shanghai Engn Res Ctr Energy Saving Coatings, Shanghai 200083, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Ji, Ruonan,Wang, Shao-Wei,Liu, Xingxing,et al. Broadband circular polarizers constructed using helix-like chiral metamaterials[J]. Nanoscale,2016,8(31):14725-14729.
APA	Ji, Ruonan,Wang, Shao-Wei,Liu, Xingxing,Chen, Xiaoshuang,&Lu, Wei.(2016).Broadband circular polarizers constructed using helix-like chiral metamaterials.Nanoscale,8(31),14725-14729.
MLA	Ji, Ruonan,et al."Broadband circular polarizers constructed using helix-like chiral metamaterials".Nanoscale 8.31(2016):14725-14729.

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