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2017
7-24

Fundamentals of Lasers
FundamentalsofLasersHowDoTheyWork?Thebasicstructureofanylaserisbasedonanactivemedium(eitheragasorsemiconductor)containedbetweentworeflectors.Alaser'sreflectorscontainlightbyoscillatingitthroughamediumrepeatedlyallowingtheenergytobuildupwith...
2017
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Laser Damage Threshold Testing
LaserDamageThresholdTestingLaserDamageThreshold(LDT),alsoknownasLaserInducedDamageThreshold(LIDT),isoneofthemostimportantspecificationstoconsiderwhenintegratinganopticalcomponentsuchasamirrorintoalasersystem.Usingalaserinanapplicationoffers...
2017
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Understanding Spatial Filters
UnderstandingSpatialFiltersSpatialFiltersaredesignedtobeusedwithlasersto"cleanup"thebeam.Oftentimesalasersystemdoesnotproduceabeamwithasmoothintensityprofile.InordertoproduceacleanGaussianbeam,aspatialfilterisusedtoremovetheunwantedmultiple...
2017
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量子級聯(lián)激光器和應(yīng)用
QuantumCascadeLasersａndApplicationsContentCourtesyofDaylightSolutionsDaylightSolutionsQuantumCascadeLasers(QCLs)werefirstdemonstratedin1994bytheBellLabsTeamheadedbyJér?meFaistａndFedericoCappasso.[1]TheopticalphysicsofQCLsdifferfromthatofoth...
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Choosing the Correct Eyepiece
ChoosingtheCorrectEyepieceTheeyepieceisanintegralpartofanycompoundvisualsystem.Itspurposeistomagnifytherealimageformedbyanobjectiveorintermediaterelaysystem.Forthisreason,theeyepiecedesignaffectsthemagnification,imagebrightness,fieldflatnes...
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How to Choose a Magnifier
HowtoChooseaMagnifierSELECTINGTHERIGHTMAGNIFIERFORYOURPURPOSESTochoosethecorrectmagnifierforthejob,firstdeterminewhattoolsaretobeusedonthejob;thendeterminethesizeａndthecharacterofthesubject;ａndfinally,analyzetheobject'ssurfacecharacter.Then...
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介紹反光目標(biāo)
IntroductiontoReflectiveObjectivesMicroscopeobjectivesareoneofthemostrecognizablecomponentsofamicroscopedesign.Microscopeobjectivesmagnifyimagessotheycanbeviewedeasilybythehumaneyeviaaneyepieceorbyanimagingsystem(e.g.imaginglensａndcamera).T...
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顯微鏡和三色染色鏡的分析
MicroscopyａndtheAnalysisofaTrichromeStainWhenimagingbiologicalmaterial,moreoftenthannotitisextremelydifficulttodifferentiatebetweenvariousorganellesａndtissues.Lightscattersdifferentlyfromeachstructure,butthechangeincontrastissoslightitbecom...
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使用無限遠(yuǎn)校正目標(biāo)的管鏡
UsingTubeLenseswithInfinityCorrectedObjectivesInordertocreateanimagewithaninfinitycorrectedobjective,atubelensmustbeusedtofocustheimage.Oneadvantagetousinganinfinitycorrectedobjectivewithatubelensisthattherecanbeaspacebetweentheobjectiveａnd...
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選擇正確的測試目標(biāo)
ChoosingtheCorrectTestTargetTesttargetsareusefulwhenevaluatingorcalibratinganimagingsystem'sperformanceorimagequality.Thiscouldincludetroubleshootingthesystem,certifyingorevaluatingmeasurements,aswellasestablishingafoundationtoensurethesyst...

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