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1、SurfacePlasmonPolaritons(SPPs)1•Abstract•Characteristic•Excitation•HistoryResearch•Application2Abstract•Surfaceplasmonpolaritons(SPPs),areinfraredorvisible-frequencyelectromagneticwaves,whichtravelalongametal-dielectricormetal-airinterface.Thetermsurfaceplasmonpolaritonexplainsthatthewaveinvolvesbothchargemotioninthemetal(“surfaceplasmonsurface)andelectromagneticwavesintheairordielectric.•Theyareatypeofsurfacewave,guidedalongtheinterfaceinmuchthesamewaythatlightcanbeguidedbyanopticalfiber.SPPsa。
2、reshorterinwavelengththantheincidentlight.Hence,SPPscanhavetighterspatialconfinementandhigherlocalfieldintensity.Perpendiculartotheinterface,theyhavesubwavelength-scaleconfinement.AnSPPwillpropagatealongtheinterfaceuntilitsenergyislosteithertoabsorptioninthemetalorscatteringintootherdirections(suchasintofreespace).3Characteristic•propagatealongthemetal-dielectricinterface•fieldsdecayexponentiallywithdistanceawayfromtheinterface•beyondthediffractionlimit•energyconfinement4Characteristic•propagate。
3、alongthemetal-dielectricinterface•fieldsdecayexponentiallywithdistanceawayfromtheinterface•beyondthediffractionlimit•energyconfinement5Characteristic6Characteristic7Characteristic•PrismCoupler9Excitation•Gratingcoupling10HistoryResearchEbbesenTW,LezecHJ,GhaemiHF,etal.Extraordinaryopticaltransmissionthroughsub-wavelengthholearrays[J].Nature,1998,391(6668):667-669.11HistoryResearchLezecH,ThioT.Diffractedevanescentwavemodelforenhancedandsuppressedopticaltransmissionthroughsubwavelengthholearrays[J]。
4、.Opticsexpress,2004,12(16):3629-3651.12HistoryResearchLiuH,LalanneP.Microscopictheoryoftheextraordinaryopticaltransmission[J].Nature,2008,452(7188):728-731.13HistoryResearchWilliamsCR,AndrewsSR,MaierSA,etal.Highlyconfinedguidingofterahertzsurfaceplasmonpolaritonsonstructuredmetalsurfaces[J].NaturePhotonics,2008,2(3):175-179.14HistoryResearchShenX,CuiTJ,Martin-CanoD,etal.Conformalsurfaceplasmonspropagatingonultrathinandflexiblefilms[J].ProceedingsoftheNationalAcademyofSciences,2013,110(1):40-45.1。
5、5HistoryResearch16HistoryResearchShenX,CuiTJ.Planarplasmonicmetamaterialonathinfilmwithnearlyzerothickness[J].AppliedPhysicsLetters,2013,102(21):211909.17HistoryResearch18HistoryResearchZhangQ,ZhangHC,WuH,etal.AHybridCircuitforSpoofSurfacePlasmonsandSpatialWaveguideModestoReachControllableBand-PassFilters[J].Scientificreports,2015,5:16531.=zh-CN&user=-h-1eJsAAAAJ&view_op=list_works&sortby=pubdate19Application•GuidelineLowerlossMinimizedimensionHighlyintegrated20Application•Photolithographybeyond。
6、thediffractionlimit21Application•Opticalchemicalsensor22ENDTHANKYOU23。
本文标题:表面等离子体激元研究和介绍
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