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  • 2017

    7-24

    Laser Damage Threshold Testing

    LaserDamageThresholdTestingLaserDamageThreshold(LDT),alsoknownasLaserInducedDamageThreshold(LIDT),isoneofthemostimportantspecificationstoconsiderwhenintegratinganopticalcomponentsuchasamirrorintoalasersystem.Usingalaserinanapplicationoffers...
  • 2017

    7-24

    Understanding Spatial Filters

    UnderstandingSpatialFiltersSpatialFiltersaredesignedtobeusedwithlasersto"cleanup"thebeam.Oftentimesalasersystemdoesnotproduceabeamwithasmoothintensityprofile.InordertoproduceacleanGaussianbeam,aspatialfilterisusedtoremovetheunwantedmultiple...
  • 2017

    7-24

    量子级联激光器和应用

    QuantumCascadeLasersandApplicationsContentCourtesyofDaylightSolutionsDaylightSolutionsQuantumCascadeLasers(QCLs)werefirstdemonstratedin1994bytheBellLabsTeamheadedbyJérômeFaistandFedericoCappasso.[1]TheopticalphysicsofQCLsdifferfromthatofoth...
  • 2017

    7-24

    Choosing the Correct Eyepiece

    ChoosingtheCorrectEyepieceTheeyepieceisanintegralpartofanycompoundvisualsystem.Itspurposeistomagnifytherealimageformedbyanobjectiveorintermediaterelaysystem.Forthisreason,theeyepiecedesignaffectsthemagnification,imagebrightness,fieldflatnes...
  • 2017

    7-24

    How to Choose a Magnifier

    HowtoChooseaMagnifierSELECTINGTHERIGHTMAGNIFIERFORYOURPURPOSESTochoosethecorrectmagnifierforthejob,firstdeterminewhattoolsaretobeusedonthejob;thendeterminethesizeandthecharacterofthesubject;andfinally,analyzetheobject'ssurfacecharacter.Then...
  • 2017

    7-24

    介绍反光目标

    IntroductiontoReflectiveObjectivesMicroscopeobjectivesareoneofthemostrecognizablecomponentsofamicroscopedesign.Microscopeobjectivesmagnifyimagessotheycanbeviewedeasilybythehumaneyeviaaneyepieceorbyanimagingsystem(e.g.imaginglensandcamera).T...
  • 2017

    7-24

    显微镜和三色染色镜的分析

    MicroscopyandtheAnalysisofaTrichromeStainWhenimagingbiologicalmaterial,moreoftenthannotitisextremelydifficulttodifferentiatebetweenvariousorganellesandtissues.Lightscattersdifferentlyfromeachstructure,butthechangeincontrastissoslightitbecom...
  • 2017

    7-24

    使用无限远校正目标的管镜

    UsingTubeLenseswithInfinityCorrectedObjectivesInordertocreateanimagewithaninfinitycorrectedobjective,atubelensmustbeusedtofocustheimage.Oneadvantagetousinganinfinitycorrectedobjectivewithatubelensisthattherecanbeaspacebetweentheobjectiveand...
  • 2017

    7-24

    选择正确的测试目标

    ChoosingtheCorrectTestTargetTesttargetsareusefulwhenevaluatingorcalibratinganimagingsystem'sperformanceorimagequality.Thiscouldincludetroubleshootingthesystem,certifyingorevaluatingmeasurements,aswellasestablishingafoundationtoensurethesyst...
  • 2017

    7-24

    机器视觉过滤

    FilteringinMachineVisionTherearemanydifferenttypesoffiltersinmachinevisionthatcanbeutilizedtoimproveorchangetheimageoftheobjectunderinspection.Itisimportanttounderstandthedifferenttechnologiesbehindthevarioustypesoffiltersinordertounderstan...
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