G. H. Li, X. Wu, Y. Jiang, C. Shao, L. J. Huang, X. Chen, W. D. Hu, W. Lu
{"title":"The improvement of figure of merit with infrared perfect absorber for plasmonic resonance sensing","authors":"G. H. Li, X. Wu, Y. Jiang, C. Shao, L. J. Huang, X. Chen, W. D. Hu, W. Lu","doi":"10.1109/NUSOD.2012.6316516","DOIUrl":null,"url":null,"abstract":"We present an infrared perfect absorber which combines gold nanobars and a photonic microcavity. By adjusting the structural geometry, this device is utilized for refractive index sensing. For proper designed structural parameters, it can yield more than 99% absorbance in the near-infrared frequency regime. Our work directly investigate the effect of geometry on sensing performance and it can sever as a model of coupling between localized surface plasmon within nanoparticles and propagating surface plasmon along planar metal layer for sensing applications with a perfect absorber.","PeriodicalId":337826,"journal":{"name":"2012 12th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 12th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NUSOD.2012.6316516","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
We present an infrared perfect absorber which combines gold nanobars and a photonic microcavity. By adjusting the structural geometry, this device is utilized for refractive index sensing. For proper designed structural parameters, it can yield more than 99% absorbance in the near-infrared frequency regime. Our work directly investigate the effect of geometry on sensing performance and it can sever as a model of coupling between localized surface plasmon within nanoparticles and propagating surface plasmon along planar metal layer for sensing applications with a perfect absorber.
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