16 Split Ring Resonators and Related Topologies文稿

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1、FilippoCapolino/TheoryandPhenomenaofMetamaterials_CFinalsPage--#16SplitRingResonatorsandRelatedTopologies.Introduction.........................................-.NonbianisotropicSRR................................-.OtherSRRCo

2、nfigurationswithInversionSymmetry.-.BianisotropicEffectsinSRRs.........................-.ChiralityinSRRs.....................................-.SpiralsandHelices...................................-.ComplementarySRRs.................

3、...............-.SRRBehavioratInfraredandOpticalFrequencies...-.SynthesisofMetamaterialsandOtherApplicationsRicardoMarquésofSRRs...............................................-UniversityofSevilla.Conclusion............................

4、...............-FerranMartínAcknowledgments.........................................-UniversidadAutónomadeBarcelonaReferences.................................................-16.1IntroductionDiamagneticpropertiesofconductingringshavebeenknownfo

5、rlong.In,W.WeberinvokedFaraday’slawtosuggestthatnaturaldiamagnetismcouldbeproducedbycurrentsinducedinmicro-scopicconductingclosedloops,whichwouldbepresentinsidematter[].Infact,itcanbeeasilyshownthatasingleandlosslessmetallicringpresentsanegativemagnet

6、icpolarizabilitygivenbyπrmmextmmmz=αzzBz;αzz=−,(.)LwherezhasbeenassumedtobetheringaxisristheringradiusListheringinductanceThus,arandomorperiodicarrangementofclosedmetallicringswillexhibitadiamagneticbehav-iorprovidedthewavelengthoftheincidentradiation

7、ismuchsmallerthanperiodicity.However,thisnegativepolarizabilityisnotveryhighandisnotenoughtoprovideaneffectivenegativepermeability.InS.A.Shelkunoffproposedtointroduceacapacitortoenhancethemagneticresponseofthering[].Stillneglectinglosses,thiswouldlead

8、toamagneticpolarizabilitygivenby16-1©2009byTaylorandFrancisGroup,LLCFilippoCapolino/TheoryandPhenomenaofMetamaterials_CFinalsPage--#16-2TheoryandPhenomenaofMetamaterialst++++––+––+–r–rextyd++