Negative refraction and imaging using 12-fold-symmetry quasicrystals

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	Negative refraction and imaging using 12-fold-symmetry quasicrystals
	Feng, ZF ; Zhang, XD ; Wang, YQ ; Li, ZY ; Cheng, BY ; Zhang, DZ
刊名	PHYSICAL REVIEW LETTERS
	2005
卷号	94 期号:24
关键词	PERIODIC PHOTONIC CRYSTAL BAND-GAP INDEX LENS
ISSN号	0031-9007
通讯作者	Zhang, XD (reprint author), Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
中文摘要	Recently, negative refraction of electromagnetic waves in photonic crystals was demonstrated experimentally and subwavelength images were observed. However, these investigations all focused on the periodic structure. Here, we report a new theoretical and experimental finding that negative refraction can appear in some transparent quasicrystalline photonic structures. The photonic quasicrystals (PQCs) exhibit an effective refractive index close to -1 in a certain frequency window. The index shows small spatial dispersion, consistent with the nearly homogeneous geometry of the quasicrystal. More interestingly, a superlens based on the 2D PQCs can form a non-near-field subwavelength image whose position varies with the source distance. These properties make PQCs promising for application in a range of optical devices.
收录类别	SCI
语种	英语
公开日期	2013-09-24
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/49790]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Feng, ZF,Zhang, XD,Wang, YQ,et al. Negative refraction and imaging using 12-fold-symmetry quasicrystals[J]. PHYSICAL REVIEW LETTERS,2005,94(24).
APA	Feng, ZF,Zhang, XD,Wang, YQ,Li, ZY,Cheng, BY,&Zhang, DZ.(2005).Negative refraction and imaging using 12-fold-symmetry quasicrystals.PHYSICAL REVIEW LETTERS,94(24).
MLA	Feng, ZF,et al."Negative refraction and imaging using 12-fold-symmetry quasicrystals".PHYSICAL REVIEW LETTERS 94.24(2005).