摘要
PlasmonicresonancewithFanolineshapehasattractedagreatdealofrecentinterest.Herewedesignanewstructurewithadimergratinguponagoldfilmseparatedbyalayerofsilicaspacer,whichhastworesonantmodescorrespondingtothedimer’slocalizedsurfaceplasmonresonanceandthesurfaceplasmonresonanceexcitedbythedimergrating.Thisstructurehasthreeadvantagesfornear-infrareddetectioninwater.First,itprovidestworesonantmodestoenhancetheexcitationandscatteredsignalsofsurface-enhancedRamanscattering.Second,couplingofthesetwomodesresultsinaFanoresonance,providingahigherelectricfieldenhancement.Finally,thedimerprovidesmoreflexibletunabilitycomparedtoasinglediskstructure.
出版日期
2015年06月16日（中国期刊网平台首次上网日期，不代表论文的发表时间）
