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https://doi.org/10.1063/1.4891234
| Title: | Vertical split-ring resonator based nanoplasmonic sensor | Authors: | Wu, P.C Sun, G Chen, W.T Yang, K.-Y Huang, Y.-W Chen, Y.-H Huang, H.L Hsu, W.-L Chiang, H.P Tsai, D.P |
Keywords: | Optical resonators Plasmons Refractive index Resonators Substrates Enhanced sensitivity Optical frequency Plasmon field Plasmon resonances Plasmonic sensors Refractive index changes Sensing performance Split ring resonator Ring gages |
Issue Date: | 2014 | Publisher: | American Institute of Physics Inc. | Citation: | Wu, P.C, Sun, G, Chen, W.T, Yang, K.-Y, Huang, Y.-W, Chen, Y.-H, Huang, H.L, Hsu, W.-L, Chiang, H.P, Tsai, D.P (2014). Vertical split-ring resonator based nanoplasmonic sensor. Applied Physics Letters 105 (3) : 33105. ScholarBank@NUS Repository. https://doi.org/10.1063/1.4891234 | Rights: | Attribution 4.0 International | Abstract: | Split-ring resonators (SRRs) have been the subject of investigation as plasmonic sensors that operate by sensing plasmon resonance shift ?? when exposed to a medium with a refractive index change ?n. However, conventional planar SRRs have their plasmon fields spread into the substrates, reducing accessible sensing volume and its sensing performance. Such a limitation can be eradicated with vertical SRRs in which the plasmon fields localized in SRR gaps are lifted off from the substrate, allowing for greatly enhanced sensitivity. Here, we demonstrate the highest sensitivity among reported SRR-based sensors in optical frequencies. © 2014 Author(s). | Source Title: | Applied Physics Letters | URI: | https://scholarbank.nus.edu.sg/handle/10635/180142 | ISSN: | 0003-6951 | DOI: | 10.1063/1.4891234 | Rights: | Attribution 4.0 International |
| Appears in Collections: | Staff Publications Elements |
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