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惠更斯电磁超构表面微波天线的研究进展(特邀文章)（英文）.docx

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惠更斯电磁超构表面微波天线的研究进展(特邀文章)（英文） ResearchProgressonHuygensElectromagneticMetasurfaceMicrowaveAntennas Abstract Microwaveantennasarewidelyusedincommunicationsystems,radarandotherfields.Huygenselectromagneticmetasurfacemicrowaveantennashavebecomeahotresearchtopicinrecentyearsduetotheirexcellentperformanceinbeamshapingandpolarizationcontrol.Inthispaper,wereviewtheprinciple,designandapplicationofHuygenselectromagneticmetasurfaceantennas,andsummarizethelatestresearchprogressinthisfield. Keywords:Huygenselectromagneticmetasurface,microwaveantenna,beamshaping,polarizationcontrol,researchprogress 1Introduction Microwaveantennasareimportantcomponentsinelectromagneticcommunicationsystems,radar,andotherrelatedfields.Withthedevelopmentofwirelesscommunicationtechnology,thedemandformicrowaveantennaswithhighperformanceandminiaturizationhasincreasedsignificantly.Huygenselectromagneticmetasurfaceantennas,withtheireasyimplementation,largebandwidth,andpolarizationcontrol,havebecomeahotresearchtopicinthemicrowaveantennafield. 2PrincipleofHuygensElectromagneticMetasurfaceAntennas TheprincipleofHuygenselectromagneticmetasurfaceantennasisbasedontheHuygensprinciple,whichstatesthateachpointonawavefrontcanbetreatedasasourceforanewwave.Huygens'principlewasinitiallyproposedin1678byChristiaanHuygens,aDutchmathematicianandphysicist.TheHuygenselectromagneticmetasurfaceantennaisakindofelectromagneticmetasurfaceantenna,whichisusuallymadeofmetallicstructuresordielectricmaterials. ThedesignofHuygenselectromagneticmetasurfaceantennasusuallyinvolvesthecontrolofthephaseandamplitudeoftheincidentelectromagneticwave.Thedesigncanbeachievedbyadjustingthegeometricstructureofthemetasurfaceantenna,suchasthesize,shape,andperiodicityofthemeta-atoms. 3DesignofHuygensElectromagneticMetasurfaceAntennas Huygenselectromagneticmetasurfaceantennascanbedesignedusingvariousmethods,includinganalyticalapproaches,numericalsimulations,andoptimizationalgorithms.Analyticalmethods,suchasthephase-onlymethod,canbeusedtodesignHuygensel