简介：Acompactlinescanningquasi-confocalophthalmoscope(LSO)ispresentedinthisletter.Comparedwithaconventionalscanninglaserophthalmoscope(SLO),thebench-topLSOsignificantlyreducesthesize,complexity,andcostofSLOutilitywithroutineuse.TheLSOusesonemovingparttoproducehigh-contrastandhigh-resolutionquasi-confocalimageswithnearlythesameperformanceasaSLO.TheLSOhasamoderatefieldofview(～10),whichenablesimagesofthemacula,theopticnervehead,andothertargetstobeobtainedmorequicklyandefficiently.Animageoftheopticnerveheadistakeninapreliminaryinvestigationonhumansubjects.Individualnervefiberbundlesandvesselsareresolvedatashallowdepth,withalateralresolutionofnearly10μm.

简介：Thispaperreportsahighpower,all-solid-state,quasi-continuous-wavetunableTi:sapphirelasersystempumpedbylaserdiode(LD)pumpedfrequency-doubledNd:YAGlaser.Themaximumtunedoutputpowerof4.2W(797nm)andtunedaveragepowerof3.7WwereachievedwhenfixingtheTi:sapphirebroadbandoutputpowerat5.0Wandapplying750-850nmbroadbandcoatedmirror.

简介：Anall-solid-statequasi-continuous-wavedispersioncavitytunableTi:sapphirelaserpumpedbyalaserdiodepumpedfrequency-doubledNd:YAGlaserisreported.Usingadenseflintglassprismasthedispersionelement,atuningrangefrom730to880nmwiththelinewidthof3nmandthepulsewidthof17.2nswasobtained.Themaximumoutput,powerofthislasersystemwas5.6Wat786.3nmcorrespondingtoanoptical-to-opticalconversionefficiencyof25.5%underthepumppowerof22W.