| Subwavelength beam focusing via multiple-metal slits arranged along a triangle surface | |
Jia, Sen1,2,3 ; Wu, Yiming3; Si, Jinhai1,2; Chen, Feng1,2; Hou, Xun1,2
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| 2015-11-15 | |
| 发表期刊 | OPTICS COMMUNICATIONS
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| 卷号 | 355页码:586-590 |
| 摘要 | A compact plasmonic structure is proposed to actualize the subwavelength beam focusing, through a metal slit array arranged along a triangular or trapezium surface profile. The incident light passes through the metal slits in the form of surface plasmon polaritons (SPPs) and then scattered into radiation fields. The constructive interference of radiation fields from individual slits with different depths and widths gives rise to beam focusing. The advantages of the proposed plasmonic lens are having a much smaller lateral dimension and broad working wavelength range. This is of importance for realizing densely integrated photonic circuits. The finite-difference time-domain (FDTD) method is employed to verify the proposed design. The simulation results indicate that the focal spot is beyond the diffraction limit. (C) 2015 Elsevier B.V. All rights reserved. |
| 文章类型 | Article |
| 关键词 | Surface Plasmon Polaritons Subwavelength Metal Slit Focusing |
| WOS标题词 | Science & Technology ; Physical Sciences |
| DOI | 10.1016/j.optcom.2015.06.024 |
| 收录类别 | SCI ; EI |
| 关键词[WOS] | PLASMONIC LENSES ; VARIANT WIDTHS ; NANO-SLITS ; DESIGN ; TRANSMISSION ; LIGHT ; DEVICE ; OPTICS |
| 语种 | 英语 |
| WOS研究方向 | Optics |
| WOS类目 | Optics |
| WOS记录号 | WOS:000362861400089 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.opt.ac.cn/handle/181661/25501 |
| 专题 | 光学定向与测量技术研究室 |
| 作者单位 | 1.Xi An Jiao Tong Univ, Minist Educ, Key Lab Phys Elect & Devices, Xian 710049, Peoples R China 2.Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Shannxi Key Lab Informat Photon Tech, Xian 710049, Peoples R China 3.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Opt Direct & Precise Measurement Tech Res Ctr, Xian 710119, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jia, Sen,Wu, Yiming,Si, Jinhai,et al. Subwavelength beam focusing via multiple-metal slits arranged along a triangle surface[J]. OPTICS COMMUNICATIONS,2015,355:586-590. |
| APA | Jia, Sen,Wu, Yiming,Si, Jinhai,Chen, Feng,&Hou, Xun.(2015).Subwavelength beam focusing via multiple-metal slits arranged along a triangle surface.OPTICS COMMUNICATIONS,355,586-590. |
| MLA | Jia, Sen,et al."Subwavelength beam focusing via multiple-metal slits arranged along a triangle surface".OPTICS COMMUNICATIONS 355(2015):586-590. |
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| Subwavelength beam f（2183KB） | 期刊论文 | 出版稿 | 限制开放 | CC BY-NC-SA | 请求全文 | |
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