0.1-20 THz ultra-broadband perfect absorber via a flat multi-layer structure
Xu, GJ; Zhang, J; Zang, XF; Sugihara, O; Zhao, HW; Cai, B; Cai, B (reprint author), Univ Shanghai Sci & Technol, Shanghai Key Lab Modern Opt Syst & Engn, Res Ctr Opt Instrument & Syst, Shanghai 200093, Peoples R China.; Cai, B (reprint author), Utsunomiya Univ, Grad Sch Engn, Utsunomiya, Tochigi 3218585, Japan.
2016
发表期刊OPTICS EXPRESS
ISSN1094-4087
卷号24期号:20页码:23177-23185
文章类型期刊论文
摘要An ultra-broadband perfect absorber based on graded-index mechanism is designed and fabricated. The perfect absorber is comprised of a heavily-doped silicon absorption substrate and a flat six-layer antireflective structure. The refractive index of each layer was widely tuned by hollow polystyrene microsphere and TiO2 nanoparticle dopants, which can offer a gradually changed refractive index profile from 1.3 to 2.9. The experimental results show that 98% absorption can be achieved within the range of 0.1-20 THz. Moreover, the high absorption efficiency as well as the ultra-broad range can maintain for incident angle from 0 to 75 degrees by the theoretical simulation. (C) 2016 Optical Society of America
DOI10.1364/OE.24.023177
收录类别SCI
语种英语
WOS记录号WOS:000387543000080
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26398
专题中科院上海应用物理研究所2011-2018年
通讯作者Cai, B (reprint author), Univ Shanghai Sci & Technol, Shanghai Key Lab Modern Opt Syst & Engn, Res Ctr Opt Instrument & Syst, Shanghai 200093, Peoples R China.; Cai, B (reprint author), Utsunomiya Univ, Grad Sch Engn, Utsunomiya, Tochigi 3218585, Japan.
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Xu, GJ,Zhang, J,Zang, XF,et al. 0.1-20 THz ultra-broadband perfect absorber via a flat multi-layer structure[J]. OPTICS EXPRESS,2016,24(20):23177-23185.
APA Xu, GJ.,Zhang, J.,Zang, XF.,Sugihara, O.,Zhao, HW.,...&Cai, B .(2016).0.1-20 THz ultra-broadband perfect absorber via a flat multi-layer structure.OPTICS EXPRESS,24(20),23177-23185.
MLA Xu, GJ,et al."0.1-20 THz ultra-broadband perfect absorber via a flat multi-layer structure".OPTICS EXPRESS 24.20(2016):23177-23185.
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