摘要
Surface-wave-basedopticalsensingofananalyteinafluidreliesonthesensitivityofthesurfacewavetotheelectromagneticpropertiesoftheanalyte-containingfluidinthevicinityoftheguidinginterface.Surfaceplasmon-polariton(SPP)wavesaremostcommonlyusedforopticalsensingbecauseoftheeaseoftheexcitationofanSPPwavewhenthefluidispartneredwithametal.Ifthefluidisreplacedbyaporous,anisotropic,andperiodicallynonhomogeneoussolidfilledwiththefluid,whilethemetalisreplacedbyanisotropichomogeneousdielectricmaterial,thesurfacewaveiscalledaDyakonov–Tamm(DT)wave.WehavetheoreticallydeterminedthattheincorporationoftheDT-waveguidinginterfaceinaprism-coupledconfigurationprovidesanalternativetotheanalogousSPPwave-basedsensor,withcomparabledynamicsensitivity.
出版日期
2015年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)