人工电磁材料及其在亚波长集成光学中的应用的中期报告-第一文库 | 海量文档资源下载与分享平台

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人工电磁材料及其在亚波长集成光学中的应用的中期报告AbstractThisreportpresentstheprogressofresearchonartificialelectromagneticmaterialsandtheirapplicationsinsubwavelengthintegratedoptics.First,thebasicprinciplesofartificialelectromagneticmaterialsareintroduced,includingthedesignofnegativerefractiveindexmaterialsandmetamaterials.Then,thedevelopmentandfabricationofmetamaterialsarediscussed,includingtheuseoflithographyandothernanofabricationtechniques.Next,severalapplicationsofartificialelectromagneticmaterialsinsubwavelengthintegratedopticsaredescribed,includingsuperlensingandperfectimaging.Finally,thechallengesandopportunitiesforfurtherresearchonartificialelectromagneticmaterialsarediscussed.IntroductionArtificialelectromagneticmaterialsrefertomaterialsthathavepropertiesnotfoundinnaturallyoccurringmaterials.Thesematerialsaredesignedandfabricatedatthenanoscalelevelbyarrangingstructuresofsubwavelengthsizesinaperiodicoraperiodicmanner.Artificialelectromagneticmaterialshavereceivedconsiderableattentionduetotheiruniqueproperties,suchasnegativerefractiveindex,super-resolutionimaging,andcloaking.Thesepropertieshavethepotentialtorevolutionizethefieldofopticsandphotonicdevices.Oneofthemostpromisingapplicationsofartificialelectromagneticmaterialsisinsubwavelengthintegratedoptics.Subwavelengthintegratedopticsreferstotheuseofopticalcomponentsthathavedimensionssmallerthanthewavelengthoflight.Thisapproachenablesthedesignofultracompactandhigh-performancephotonicdevices,whichareparticularlyusefulinapplicationssuchasdatacommunicationandsensing.Inthisreport,wepresenttheprogressofourresearchonartificialelectromagneticmaterialsandtheirapplicationsinsubwavelengthintegratedoptics.DesignofArtificialElectromagneticMaterialsThefirststepindesigningartificialelectromagneticmaterialsistounderstandthebasicpropertiesofthesematerials.Oneofthekeypropertiesofartificialelectromagneticmaterialsisnegativerefractiveindex,whichistheoppositeoftherefractiveindexofnaturalmaterials.Thispropertyallowsforthebendingoflightinadire