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1、DESIGNANDFABRICATIONOFACROSS-POLARISINGAMCSURFACEP.J.Ferrer*,J.M.Gonzalez-Arbesu*,Romeu*,C.*AntennaLab-TSC,UniversitatPolitecnicadeCatalunya(UPC),SpaintLaboratoireTile,UniversitecatholiquedeLouvain(UCL),BelgiumCorrespondingauthor.pjferrer@tsc.upc.eduKeywords:cross-polarisation,AMC,pol
2、arisationconversion,theexistenceofthecross-polarisationphenomenon.Ansoft'slinearpolarisation,circularpolarisation.HFSSwillbeusedfordesigningthesurface.AndthemeasurementswillbecarriedoutintheanechoicchamberAbstractusingtwobroadbandridgehornsinbothcopolarandcross-polarconfigurations.Art
3、ificialMagneticConductors(AMCs)offermanyreflectingapplications.Whennonsymmetricalelements(diagonalslots,2Cross-polarisingAMCsurfacedesignoffsetvias)areused,across-polarreflectedresponseisachievedgivenanincidentcopolarelectricfield.Thiselectromagneticpropertycanbeusedforpolarisation2.1
4、Cross-polarisationphenomenonconversionorRCSreductionpurposes.Across-polarisingsurfacecomposedofsquarepatchesanddiagonalslotsoveraCross-polarisationorTranspolarisationistheelectromagneticgroundplanehasbeendesignedandmeasured,providingphenomenonthatdescribestheappearanceofacross-polargo
5、odresultsfornormalincidence.responsegivenanincidentcopolarsignal.Formanyantennaapplications,itisinterestingtohavealowlevelofcross-1Introductionpolarisationinordertoreducethepolarisationmismatchlosses.However,inreflectingsurfacesthecross-polarArtificialMagneticConductors(AMCs)havebeenw
6、idelyresponsecouldbeusedasapolarisationconversionproperty,studiedintherecentyearsduetotheirPMCbehaviourwhendependingonthefrequencyofoperation.usedasreflectors.FirstdesignsimpliedtheuseofperiodicsquarepatchesattachedtoametallicgroundplanethroughInaddition,in[3]iwasshownthatondiagonally
7、symmetricmetallicpinsorvias[1],thesocalledmushroom-likesurfacesfornormalincidencewithlinearpolarisationalongxsurfaces.Thereflectedelectricfieldshowsaphaseof0ory,thephaseshiftbetweenfieldsreflectedalongxandydegreesaroundtheresonantfrequency,whereasitsmustbearound+900.Thus,whenbothelect
8、ricfi
