简介：Opticalaxialscanningisessentialprocesstoobtain3Dinformationofbiologicalspecimens.Torealizeopticalaxialscanningwithoutmoving,thetunablelensisasolution.However,theconventionaltunablelensesusuallyinducenon-uniformmagnificationandresolutionissues.Inthispaper,wereportamovableelectrowettingoptofluidiclens.Unliketheconventionaltunablelens,ourproposedoptofluidiclenshastwoliquid-liquid(L-L)interfaces,whichcanmoveinthecellbyanexternalvoltage.TheobjectdistanceandimagedistanceareadjustedbyshiftingtheL-Linterfaceposition.Therefore,theproposedlenscanrealizeopticalaxialscanningwithuniformmagnificationandresolutioninmicroscopy.Toprovetheconcept,wefabricateanoptofluidiclensanduseitinopticalaxialscanning.Thescanningdistanceismorethan1mmwithuniformmagnificationandgoodimagingquality.Widespreadapplicationofsuchanewadaptivezoomlensisforeseeable.
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