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	Circular dichroism of graphene-based absorber in static magnetic field
	Wang, Min1,2; Wang, Yanqin1; Pu, Mingbo1; Hu, Chenggang1; Wu, Xiaoyu1,2; Zhao, Zeyu1; Luo, Xiangang1
刊名	Journal of Applied Physics
	2014
卷号	115期号:15页码:154312
ISSN号	00218979
通讯作者	Luo, X. (lxg@ioe.ac.cn)
中文摘要	Recently, the graphene-based absorber captures much attention due to its bright potential. In this paper, a modeling study of graphene-based absorber is made for variable magnetostatic bias, i.e., the magnetic circular dichroism (MCD). A strong MCD signal about DA = 0.94 is obtained in 7 T for a uniform graphene-based absorber. By periodically patterning subwavelength holes on the graphene, the structured absorber exhibits two obvious peaks induced by cavity resonance and localized resonance of meta-surface in 0 T, respectively. As the magnetic field increases, the absorption peaks show quite different electromagnetic response for the two kinds of circularly polarized lights. Two distinct MCDs signals of 0.711 at 2.02 THz and 0.91 at 2.49 THz in 7 T are observed. The results are well explained by a modified equivalent circuit model. © 2014 AIP Publishing LLC.
英文摘要	Recently, the graphene-based absorber captures much attention due to its bright potential. In this paper, a modeling study of graphene-based absorber is made for variable magnetostatic bias, i.e., the magnetic circular dichroism (MCD). A strong MCD signal about DA = 0.94 is obtained in 7 T for a uniform graphene-based absorber. By periodically patterning subwavelength holes on the graphene, the structured absorber exhibits two obvious peaks induced by cavity resonance and localized resonance of meta-surface in 0 T, respectively. As the magnetic field increases, the absorption peaks show quite different electromagnetic response for the two kinds of circularly polarized lights. Two distinct MCDs signals of 0.711 at 2.02 THz and 0.91 at 2.49 THz in 7 T are observed. The results are well explained by a modified equivalent circuit model. © 2014 AIP Publishing LLC.
学科主题	Physical properties - Physics
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000335227100043
内容类型	期刊论文
源URL	[http://ir.ioe.ac.cn/handle/181551/6859]
专题	光电技术研究所_微细加工光学技术国家重点实验室（开放室）
作者单位	1.State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Science, P.O. Box 350, Chengdu 610209, China 2.University of Chinese Academy of Sciences, Beijing 100049, China
推荐引用方式 GB/T 7714	Wang, Min,Wang, Yanqin,Pu, Mingbo,et al. Circular dichroism of graphene-based absorber in static magnetic field[J]. Journal of Applied Physics,2014,115(15):154312.
APA	Wang, Min.,Wang, Yanqin.,Pu, Mingbo.,Hu, Chenggang.,Wu, Xiaoyu.,...&Luo, Xiangang.(2014).Circular dichroism of graphene-based absorber in static magnetic field.Journal of Applied Physics,115(15),154312.
MLA	Wang, Min,et al."Circular dichroism of graphene-based absorber in static magnetic field".Journal of Applied Physics 115.15(2014):154312.

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