| 基于金属-介质-金属阵列的折射率传感(英文) |
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| 引用本文： | 桑明煌,徐猛,李青,周华清.基于金属-介质-金属阵列的折射率传感(英文)[J].江西师范大学学报(自然科学版),2016,40(2):120-125. |
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| 作者姓名： | 桑明煌 徐猛 李青 周华清 |
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| 作者单位： | 江西师范大学物理与通信电子学院,江西省光电子与通信重点实验室,江西 南昌 330022 |
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| 摘 要： | 提出一种基于金属-介质-金属阵列结构折射率传感器.在可见光及近红外光区域内,由于表面等离子效应,入射波在特定频率时可以通过一个无缝的金,在80 nm厚的金膜上可以得到近100%的透射率.仿真结果表明传感器对周围液体的折射率变化也很敏感,这些发现可以得出一个新的、简化的替代方法,使传感器更加小型化.
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| 关 键 词： | 金属-绝缘体-金属阵列结构 表面等离子体共振 小型化 灵敏度 |
The Sensing of Refractive Index Based on a Metal-Insulator-Metal Array |
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| SANG Minghuang,XU Meng,LI Qing,ZHOU Huaqing.The Sensing of Refractive Index Based on a Metal-Insulator-Metal Array[J].Journal of Jiangxi Normal University (Natural Sciences Edition),2016,40(2):120-125. |
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| Authors: | SANG Minghuang XU Meng LI Qing ZHOU Huaqing |
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| Institution: | College of Physics and Communication Electronics,Jiangxi Key Laboratory of Optoelectronic and Telecommunication,
Jiangxi Normal University,Nanchang Jiangxi 330022,China |
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| Abstract: | A refractive index sensor based on a metal-insulator-metal array structure has been proposed.In both the visible and near-infrared spectrum regions,the incident wave can transmit through a seamless gold film near a specifically designed frequency due to the excited surface plasmon resonance.A nearly 100% transmission through an 80 nm-thickness Au film can be archived.The simulation results show that it is also sensitive to the refractive index change surrounding the sensor.These findings could open a new and simplified alternative approach to make sensor more miniature. |
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| Keywords: | metal-insulator-metal array structure surface plasmon resonance miniaturization sensitivity |
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