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题名:
Perfect Absorption of Light by Coherently Induced Plasmon Hybridization in Ultrathin Metamaterial Film
作者: Pu, Mingbo1; Feng, Qin1,2; Hu, Chenggang1; Luo, Xiangang1
刊名: PLASMONICS
出版日期: 2012-12-01
卷号: 7, 期号:4, 页码:733-738
关键词: Metamaterials ; Plasmon hybridization ; Perfect absorber
文章类型: Article
英文摘要: We demonstrated numerically that light can be totally absorbed by an ultrathin metamaterial film through coherently induced plasmon hybridization. Two fundamental modes, namely symmetrical and antisymmetrical modes, are observed in the metal-insulator-metal structure and attributed to the electric and magnetic resonance, respectively. Each kind of resonance is related to a distinct absorption peak for the corresponding coherent inputs. In particular, it is found that the antisymmetrical absorption is almost omnidirectional and suitable for divergent beams with arbitrary polarization and angle of incidence. To interpret the interaction of magnetic and electric fields with the structure, effective material parameters of the metamaterial are also retrieved, showing good agreement with the intuitive discussion. Furthermore, the general condition of coherent perfect absorption in a metamaterial thin film is given, which could be helpful for the design and understanding of such absorbers.
WOS标题词: Science & Technology ; Physical Sciences ; Technology
类目[WOS]: Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]: ABSORBER ; REFRACTION ; INDEX
收录类别: SCI
语种: 英语
WOS记录号: WOS:000310744800021
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2354
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, State Key Lab Opt Technol Nanofabricat & Microeng, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.SW Inst Phys, Chengdu 610041, Peoples R China

Recommended Citation:
Pu, Mingbo,Feng, Qin,Hu, Chenggang,et al. Perfect Absorption of Light by Coherently Induced Plasmon Hybridization in Ultrathin Metamaterial Film[J]. PLASMONICS,2012,7(4):733-738.
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