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题名:
Circular polarization sensitive absorbers based on graphene
作者: Yang, Kunpeng1; Wang, Min1,2; Pu, Mingbo1; Wu, Xiaoyu1; Gao, Hui1; Hu, Chenggang1; Luo, Xiangang1
刊名: SCIENTIFIC REPORTS
出版日期: 2016-04-01
卷号: 6
DOI: 10.1038/srep23897
文章类型: Article
英文摘要: It is well known that the polarization of a linearly polarized (LP) light would rotate after passing through a single layer graphene under the bias of a perpendicular magnetostatic field. Here we show that a corresponding phase shift could be expected for circularly polarized (CP) light, which can be engineered to design the circular polarization sensitive devices. We theoretically validate that an ultrathin graphene-based absorber with the thickness about lambda/76 can be obtained, which shows efficient absorption >90% within incident angles of +/- 80 degrees. The angle-independent phase shift produced by the graphene is responsible for the nearly omnidirectional absorber. Furthermore, a broadband absorber in frequencies ranging from 2.343 to 5.885 THz with absorption over 90% is designed by engineering the dispersion of graphene.
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
关键词[WOS]: PERFECT ABSORBER ; FARADAY-ROTATION ; ABSORPTION ; ENHANCEMENT
收录类别: SCI
项目资助者: 973 Program of China(2013CBA01700) ; National Natural Science Foundation of China(61138002)
语种: 英语
WOS记录号: WOS:000373207900002
ISSN号: 2045-2322
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3893
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Nanofabricat & Microeng, POB 350, Chengdu 610209, Peoples R China
2.Northwestern Polytech Univ, Sch Nat & Appl Sci, POB 887, Xian 710072, Shanxi, Peoples R China

Recommended Citation:
Yang, Kunpeng,Wang, Min,Pu, Mingbo,et al. Circular polarization sensitive absorbers based on graphene[J]. SCIENTIFIC REPORTS,2016,6.
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