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题名:
Design principles for infrared wide-angle perfect absorber based on plasmonic structure
作者: Pu Mingbo; Hu Chenggang; Wang Min; Huang Cheng; Zhao Zeyu; Wang Changtao; Feng Qin; Luo Xiangang
刊名: OPTICS EXPRESS
出版日期: 2011
卷号: 19, 期号:18, 页码:17413-17420
通讯作者: Pu MB (Pu Mingbo)
文章类型: 期刊论文
中文摘要: An approach for designing a wide-angle perfect absorber at infrared frequencies is proposed. The technique is based on a perfectly impedance-matched sheet (PIMS) formed by plasmonic nanostructure. It is shown that the effective impedance is more physical meaningful and beneficial than effective medium in describing the electromagnetic properties of metamaterial absorber. As a specific implementation of this technique, a wide-angle polarization-independent dual-band absorber is numerically demonstrated at frequencies of 100THz and 280THz with absorption close to 100% simultaneously. Circuit models are utilized to describe the impedance property of localized plasmon modes and the results show good agreement with that retrieved from reflection coefficient at normal incidence. (C)2011 Optical Society of America
英文摘要: An approach for designing a wide-angle perfect absorber at infrared frequencies is proposed. The technique is based on a perfectly impedance-matched sheet (PIMS) formed by plasmonic nanostructure. It is shown that the effective impedance is more physical meaningful and beneficial than effective medium in describing the electromagnetic properties of metamaterial absorber. As a specific implementation of this technique, a wide-angle polarization-independent dual-band absorber is numerically demonstrated at frequencies of 100THz and 280THz with absorption close to 100% simultaneously. Circuit models are utilized to describe the impedance property of localized plasmon modes and the results show good agreement with that retrieved from reflection coefficient at normal incidence. (C)2011 Optical Society of America
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6757
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作者单位: 中国科学院光电技术研究所

Recommended Citation:
Pu Mingbo,Hu Chenggang,Wang Min,et al. Design principles for infrared wide-angle perfect absorber based on plasmonic structure[J]. OPTICS EXPRESS,2011,19(18):17413-17420.
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