Plasmonic Refractive Index Sensors Based on One- and Two-Dimensional Gold Grating on a Gold Film | |
Zhu, Jiankai2; Wang, Xiangxian2; Wu, Yuan2; Su, Yingwen2; Jia, Tianxu2; Yang, Hua2; Zhang, Liping2; Qi, Yunping3; Wen, Xiaolei1 | |
刊名 | Photonic Sensors |
2020-12-01 | |
卷号 | 10期号:4页码:375-386 |
关键词 | Diffraction gratings Finite difference time domain method Gold Metallic films Plasmons Refractometers Structure (composition) Surface plasmon resonance Time domain analysis Comparison result Figure of merit (FOM) Grating periods Optimized parameter Refractive index sensing Refractive index sensor Sensing characteristics Sensing performance |
ISSN号 | 16749251 |
DOI | 10.1007/s13320-020-0598-x |
英文摘要 | In this paper, we propose two kinds of composite structures based on the one- and two-dimensional (1D&2D) gold grating on a gold film for plasmonic refractive index sensing. The resonance modes and sensing characteristics of the composite structures are numerically simulated by the finite-difference time-domain method. The composite structure of the 1D gold semi-cylinder grating and gold film is analyzed first, and the optimized parameters of the grating period are obtained. The sensitivity and figure of merit (FOM) can reach 660RIU/nm and 169RIU−1, respectively. Then, we replace the 1D grating with the 2D gold semi-sphere particles array and find that the 2D grating composite structure can excite strong surface plasmon resonance intensity in a wider period range. The sensitivity and FOM of the improved composite structure can reach 985RIU/nm and 298 RIU−1, respectively. At last, the comparison results of the sensing performance of the two structures are discussed. The proposed structures can be used for bio-chemical refractive index sensing. © 2020, The Author(s). |
WOS研究方向 | Instruments & Instrumentation ; Optics |
语种 | 英语 |
出版者 | Springer Verlag |
WOS记录号 | WOS:000559269900001 |
内容类型 | 期刊论文 |
源URL | [http://ir.lut.edu.cn/handle/2XXMBERH/115705] |
专题 | 理学院 |
作者单位 | 1.Center for Micro- and Nanoscale Research and Fabrication, University of Science and Technology of China, Hefei; 230026, China 2.School of Science, Lanzhou University of Technology, Lanzhou; 730050, China; 3.College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou; 730070, China; |
推荐引用方式 GB/T 7714 | Zhu, Jiankai,Wang, Xiangxian,Wu, Yuan,et al. Plasmonic Refractive Index Sensors Based on One- and Two-Dimensional Gold Grating on a Gold Film[J]. Photonic Sensors,2020,10(4):375-386. |
APA | Zhu, Jiankai.,Wang, Xiangxian.,Wu, Yuan.,Su, Yingwen.,Jia, Tianxu.,...&Wen, Xiaolei.(2020).Plasmonic Refractive Index Sensors Based on One- and Two-Dimensional Gold Grating on a Gold Film.Photonic Sensors,10(4),375-386. |
MLA | Zhu, Jiankai,et al."Plasmonic Refractive Index Sensors Based on One- and Two-Dimensional Gold Grating on a Gold Film".Photonic Sensors 10.4(2020):375-386. |
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