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Truncated spherical voids for nearly omnidirectional optical absorption
Wang Min; Hu Chenggang; Pu Mingbo; Huang Cheng; Zhao Zeyu; Feng Qin; Luo Xiangang; Wang M (Wang Min)
Source PublicationOPTICS EXPRESS
Volume19Issue:21Pages:20642-20649
2011
Language英语
Subtype期刊论文
AbstractTruncated spherical voids nanostructured tungsten films are shown to have nearly perfect absorption with characteristics of broad-band, polarization-independent and wide-incidence angle in near infrared and visible regime. Through optimizing material and structural parameters, we can achieve the absorbance above 90% from 420THz to 600THz within incidence angle from 0 degrees to 60 degrees for TE polarization and from 450THz to 800THz within incidence angle from 0 degrees to 75 degrees for TM polarization. In particular, absorbance can achieve 99.9% at 550.5THz for both polarizations under normal incidence. Such strong absorption is explained using multilayer effective media theory and cavity resonance. (C)2011 Optical Society of America; Truncated spherical voids nanostructured tungsten films are shown to have nearly perfect absorption with characteristics of broad-band, polarization-independent and wide-incidence angle in near infrared and visible regime. Through optimizing material and structural parameters, we can achieve the absorbance above 90% from 420THz to 600THz within incidence angle from 0 degrees to 60 degrees for TE polarization and from 450THz to 800THz within incidence angle from 0 degrees to 75 degrees for TM polarization. In particular, absorbance can achieve 99.9% at 550.5THz for both polarizations under normal incidence. Such strong absorption is explained using multilayer effective media theory and cavity resonance. (C)2011 Optical Society of America
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6766
Collection微细加工光学技术国家重点实验室(开放室)
Corresponding AuthorWang M (Wang Min)
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
Wang Min,Hu Chenggang,Pu Mingbo,et al. Truncated spherical voids for nearly omnidirectional optical absorption[J]. OPTICS EXPRESS,2011,19(21):20642-20649.
APA Wang Min.,Hu Chenggang.,Pu Mingbo.,Huang Cheng.,Zhao Zeyu.,...&Wang M .(2011).Truncated spherical voids for nearly omnidirectional optical absorption.OPTICS EXPRESS,19(21),20642-20649.
MLA Wang Min,et al."Truncated spherical voids for nearly omnidirectional optical absorption".OPTICS EXPRESS 19.21(2011):20642-20649.
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