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ID:40555605
大小:1.81 MB
页数:12页
时间:2019-08-04
《5. Super-Resolution Imaging with Hyperlens》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、FilippoCapolino/ApplicationsofMetamaterials_CFinalsPage--#5Super-ResolutionImagingwithHyperlensHyesogLeeUniversityofCalifornia,BerkeleyYiXiongUniversityofCalifornia,Berkeley.Introduction.........................................-ZhaoweiLiu.HyperlensTheory......................
2、..............-UniversityofCalifornia,Berkeley.HyperlensDesign....................................-.HyperlensFabrication................................-ChengSun.ImagingExperimentSetup...........................-UniversityofCalifornia,Berkeley.ImagingResults.........................
3、.............-XiangZhang.Conclusions..........................................-UniversityofCalifornia,BerkeleyReferences.................................................-5.1IntroductionThesmallestresolvablefeature(Δ)ofanyopticalsystemcanbeapproximatedbythediffractionlimit[]:λΔ=(.)NAwh
4、ereλisthewavelengthofthelightinfreespaceNA=nsinθisthenumericalaperture,wherenistherefractiveindexofthemediumandθisthelightcollectionangleoftheopticsInmanydisciplinesofresearch,itisdesirabletousevisiblewavelength(shortestlimitof∼nm)andthevalueofsinθhasupperlimitofevenattheidealcase.Thatleavesusw
5、ithn.Thesignificanceoftheindexofrefractionliesinhowlargeawavevectorthemediumcansupportforthepropagationofawave.Oneofthemainchallengesincurrentopticalmicroscopyisthatthemaximumresolutionislimitedbytheminimumrefractiveindexalongtheopticalpath,whichisnomorethan.∼.evenwithcurrentimmersionmicroscopy
6、thatutilizesnaturallyavailablematerialssuchasglassoroil.Theinnovationofmetamaterialsopenedwidethedoorforfurtherdevelopmentoffascinatingscienceandengineeringinthefieldofelectromagnetics.Thebeautyofthemetamaterialconceptisthesimpleepiphanythatwedonothavetorearrangeatoms—orsubatomicparticlestherein—in
7、order5-1©2009byTaylorandFrancisGroup,LLCFilippoCapolino/ApplicationsofMetamaterials_CFinalsPage--#5-2ApplicationsofMetamaterialstoengineeranewmatter;instead,wefabricateartificialstructurewi
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