Plasmonic couplings in split-ring resonators by electric excitation

机译：通过电激发在开环谐振器中的等离子耦合

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We introduce the symmetric and asymmetric coupling between two geometry-different split-ring resonators (SRRs) with dissimilar resonance frequencies and quality factors. An additional sharp transmission peak is excited as the strong coupling occurs between a narrow subradiant resonance and a broad superradiant resonance by examining the spacing of two SRR constituents. The mechanism of such induced transparency is elucidated well by the suppression of induced currents within the SRR element with a lower quality factor. Finally, the excitation of asymmetrically coupled resonance (ACR) is further associated with remarkable confinement of electromagnetic field on nanoscale, providing a dramatically sensing performance due to its pronounced sensitivity and a characteristic of sharp bandwidth.

机译：我们介绍了两个具有不同谐振频率和品质因数的，几何形状不同的开口环谐振器（SRR）之间的对称和非对称耦合。通过检查两个SRR成分的间距，当在狭窄的亚辐射共振和广泛的超辐射共振之间发生强耦合时，会激发一个额外的尖峰传输峰。通过以较低的品质因数抑制SRR元件内的感应电流，可以很好地阐明这种感应透明性的机制。最后，非对称耦合共振（ACR）的激发还与纳米级电磁场的显着局限性相关，由于其明显的灵敏度和陡峭的带宽特性而提供了显着的传感性能。

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来源
《Metamaterials: Fundamentals and applications II》|2009年|P.73921H.1-73921H.8|共8页
会议地点 San Diego CA(US)
作者
Chia-Yun Chen; rnTa-Jen Yen;
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作者单位

Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan, R.O.C.;

rnDepartment of Materials Science and Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan, R.O.C. Institute of NanoEngineering and MicroSystems, National Tsing Hua University, Hsinchu 30013, Taiwan, R.O.C.;

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原文格式 PDF
正文语种 eng
中图分类材料;
关键词
split-ring resonators; plasmonic couplings; electric excitation;

机译：开环谐振器；等离子体耦合电激发;

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Plasmonic couplings in split-ring resonators by electric excitation

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