| Directly patterned substrate-free plasmonic "nanograter'' structures with unusual fano resonances | |
| Cui, Ajuan1; Liu, Zhe1; Li, Jiafang1; Shen, Tiehan H.2; Xia, Xiaoxiang1; Li, Zhiyuan1; Gong, Zhijie3; Li, Hongqiang3; Wang, Benli1; Li, Junjie1 | |
| 刊名 | Light-science & applications
 |
| 2015-07-01 | |
| 卷号 | 4页码:6 |
| 关键词 | Extraordinary fano resonances Plasmonic nanostructures Spatially oriented Substrate-free Three-dimensional |
| ISSN号 | 2047-7538 |
| DOI | 10.1038/lsa.2015.81 |
| 通讯作者 | Li, wuxia(liwuxia@aphy.iphy.ac.cn) |
| 英文摘要 | The application of three-dimensional (3d) plasmonic nanostructures as metamaterials (mms), nano-antennas, and other devices faces challenges in producing metallic nanostructures with easily definable orientations, sophisticated shapes, and smooth surfaces that are operational in the optical regime and beyond. here, we demonstrate that complex 3d nanostructures can be readily achieved with focused-ion-beam irradiation-induced folding and examine the optical characteristics of plasmonic "nanograter'' structures that are composed of free-standing au films. these 3d nanostructures exhibit interesting 3d hybridization in current flows and exhibit unusual and well-scalable fano resonances at wavelengths ranging from 1.6 to 6.4 mu m. upon the introduction of liquids of various refractive indices to the structures, a strong dependence of the fano resonance is observed, with spectral sensitivities of 1400 nm and 2040 nm per refractive index unit under figures of merit of 35.0 and 12.5, respectively, for low-order and high-order resonance in the near-infrared region. this work indicates the exciting, increasing relevance of similarly constructed 3d free-standing nanostructures in the research and development of photonics and mms. |
| WOS关键词 | SPLIT RING RESONATORS ; PHOTONIC METAMATERIALS ; ION-IMPLANTATION ; REFRACTIVE-INDEX ; FABRICATION ; NANOSTRUCTURES ; FREQUENCIES ; SPECTROSCOPY ; REDUCTION ; SUPERLENS |
| WOS研究方向 | Optics |
| WOS类目 | Optics |
| 语种 | 英语 |
| 出版者 | CHINESE ACAD SCIENCES, CHANGCHUN INST OPTICS FINE MECHANICS AND PHYSICS |
| WOS记录号 | WOS:000358868400003 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2374046 |
| 专题 | 物理研究所 |
| 通讯作者 | Li, Wuxia |
| 作者单位 | 1.Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China 2.Univ Salford, Sch Comp Sci & Engn, Joule Phys Lab, Salford M5 4WT, Lancs, England 3.Tongji Univ, Sch Phys Sci & Engn, Shanghai 200092, Peoples R China 4.Collaborat Innovat Ctr Quantum Matter, Beijing 200092, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cui, Ajuan,Liu, Zhe,Li, Jiafang,et al. Directly patterned substrate-free plasmonic "nanograter'' structures with unusual fano resonances[J]. Light-science & applications,2015,4:6. |
| APA | Cui, Ajuan.,Liu, Zhe.,Li, Jiafang.,Shen, Tiehan H..,Xia, Xiaoxiang.,...&Gu, Changzhi.(2015).Directly patterned substrate-free plasmonic "nanograter'' structures with unusual fano resonances.Light-science & applications,4,6. |
| MLA | Cui, Ajuan,et al."Directly patterned substrate-free plasmonic "nanograter'' structures with unusual fano resonances".Light-science & applications 4(2015):6. |
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