Isotropic Absorption and Sensor of Vertical Split-Ring Resonator

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• 作者：Pin Chieh Wu ; Chun Yen Liao ; Jia-Wern Chen and Din Ping Tsai
• 刊名：Advanced Optical Materials
• 出版年：2017
• 出版时间：January 18, 2017
• 年：2017
• 卷：5
• 期：2
• 全文大小：1518K
• ISSN：2195-1071

文摘

Four vertical split-ring resonators with a significant plasmon confinement for an isotropic perfect absorption are demonstrated. The polarization-insensitive absorption can be kept at a high value even when the angle of incidence is larger than 60°. A refractive index sensor with high sensing performance is also proposed because of its high absorption ability.