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2017
07-24

光學鍍膜簡介
光學鍍膜簡介光學鍍膜由薄膜層組合而成，它會產(chǎn)生干涉效應來改變光學系統(tǒng)的透射或反射性能。光學鍍膜的性能取決于層數(shù)、每層的厚度和不同層之間的折射率。精密光學中常見鍍膜類型有：增透膜(AR)、高反射（鏡）膜、分光鏡膜和濾光片膜（短波通，長波通，陷波等）。增透膜適用于大多數(shù)折射光學件，可以增大光通量并減少不必要的反射。高反射膜可以在單個波長或某段波長范圍內提供大反射，多用于反射鏡。分光鏡膜用于將入射光分為透射光和反射光輸出。濾光片鍍膜適用于大量生命科學和醫(yī)學應用，能夠以特定波長透射、反射、吸收或衰減光。
2017
07-24

Benefits of Hard Coatings
BenefitsofHardCoatingsTraditional,softcoatings,atechniquecommonlyusedforcoatingopticalcomponents,maysoonberenderedobsoletebyahigherperformingcoatingtechniqueknownashardcoating.Asdetailed,hardcoatingsprovideseveraladvantagestotraditionalsoftcoatings.S
2017
07-24

單色光學像差
ChromaticａndMonochromaticOpticalAberrationsDesigningopticalsystemsisneveraneasytask;evenperfectlydesignedsystemscontainopticalaberrations.Thetrickisinunderstandingａndcorrectingfortheseopticalaberrationsinordertocreateanoptimalsystem.Todoso,considerth
2017
07-24

光學畸變比較
ComparisonofOpticalAberrationsOpticalaberrationsaredeviationsfromaperfect,mathematicalmodel.Itisimportanttonotethattheyarenotcausedbyanyphysical,optical,ormechanicalflaws.Rather,theycanbecausedbythelensshapeitself,orplacementofopticalelementswithinas
2017
07-24

使用短通及長波通濾光片定制帶通濾波器
CustomBandpassFilterusingShortpassａndLongpassFiltersBandpassfiltersareopticalfiltersthatallowtransmissionofaspecificrangeofwavelengths,orband,whileblockingotherwavelengths.Manyoff-the-shelfbandpassfilteroptionsareavailable,butwhenanapplicationhasspec
2017
07-24

Diffuser Selection Guide
DiffuserSelectionGuideDiffusersareanopticalcomponentusedtoevenlydistributelightfromasourcewhileeliminatingbrightspots.AperfecteddiffusershouldcreateLambertianscatteringwheretheradianceisindependentofangle.Withapplicationsrangingfromprojectorscreensto
2017
07-24

Edge-Blackening
Edge-BlackeningHowtoSpecifyEdgeBlackenedOpticsAnyofourlenseswithadiameterof5mmorgreatercanbespecifiedwithblackenededges.Tospecifytheblackening,simplyappenda–INKtotheBBARcoatedstocknumber.Forexample,toordera10mmdiameter,10mmfocallength,VIS0°coatedDCXl
2017
07-24

成本有效的光學設計和公差的關鍵
KeystoCostEffectiveOpticalDesignａndTolerancingAsmostdesignersknow,opticaldesignsoftwarecanbeapowerfultool.Butit'sjustthat,a"tool".Theproperinterpretationofoptimizedresultsisjustasimportantastheinputofcorrectinformation.Thatiswhyexperienceddesignerswe
2017
07-24

離軸拋物面鏡選擇指南
Off-AxisParabolicMirrorSelectionGuideParabolicmirrorshavetheabilitytofocuscollimatedlightwithoutintroducingsphericalaberration.AnOff-AxisParabolic(OAP)mirrorissimplyasidesectionofaparentparabolicmirror.CollimatedlightthatisincidenttoanOAPmirrorisfocu
2017
07-24

Optical Flats
OpticalFlatsPRECISIONOPTICALFLATSAnopticalflatisapreciselypolishedflatsurface,usedasareferenceagainstwhichtheflatnessofanunknownsurfacemaybecompared.EdmundOpticsoffersbothsinglesurfaceａnddualsurfaceopticalflatsineitherZERODUR®orFusedSilica.Theflatnes
2017
07-24

光學101：1級理論基礎
Optics101:Level1TheoreticalFoundationsTheElectromagneticSpectrum|Interference|Reflection|Refraction|Dispersion|DiffractionOpticsisthebranchofphysicsthatdealswithlightａnditspropertiesａndbehavior.Itisavastsciencecoveringmanysimpleａndcomplexsubjectsrang
2017
07-24

Polarizer Selection Guide
PolarizerSelectionGuideFormoreinformationonpolarizationreadIntroductiontoPolarization.Polarizationisanimportantcharacteristicoflight.Polarizersarekeyopticalelementsforcontrollingyourpolarization,transmittingadesiredpolarizationstatewhilereflecting,ab
2017
07-24

大功率光學涂料的復雜性
TheComplexitiesofHigh-PowerOpticalCoatingsIntoday'sopticsindustry,manyprecisionopticalelementsreceivecoatingsinordertoimprovetheirtransmissionorreflectionforcertainwavelengthsorpolarizationstates.Themostcommontypesofcoatingsareanti-reflection(AR),hig
2017
07-24

紅外（IR）應用的正確材料
TheCorrectMaterialforInfrared(IR)ApplicationsIntroductiontoInfrared(IR)Infrared(IR)radiationischaracterizedbywavelengthsrangingfrom0.750-1000μm(750-1000000nm).Duetolimitationsondetectorrange,IRradiationisoftendividedintothreesmallerregions:0.750-3μm,
2017
07-24

了解中性密度濾鏡
UnderstandingNeutralDensityFiltersNeutralDensity(ND)filtersaredesignedtoreducetransmissionevenlyacrossaportionofaspecificspectrum.NDfiltersaretypicallydefinedbytheirOpticalDensity(OD)whichdescribestheamountofenergyblockedbythefilter.Ahighopticaldensi
2017
07-24

Fundamentals of Lasers
FundamentalsofLasersHowDoTheyWork?Thebasicstructureofanylaserisbasedonanactivemedium(eitheragasorsemiconductor)containedbetweentworeflectors.Alaser'sreflectorscontainlightbyoscillatingitthroughamediumrepeatedlyallowingtheenergytobuildupwitheachpass.L
2017
07-24

Laser Damage Threshold Testing
LaserDamageThresholdTestingLaserDamageThreshold(LDT),alsoknownasLaserInducedDamageThreshold(LIDT),isoneofthemostimportantspecificationstoconsiderwhenintegratinganopticalcomponentsuchasamirrorintoalasersystem.Usingalaserinanapplicationoffersavarietyof
2017
07-24

Understanding Spatial Filters
UnderstandingSpatialFiltersSpatialFiltersaredesignedtobeusedwithlasersto"cleanup"thebeam.Oftentimesalasersystemdoesnotproduceabeamwithasmoothintensityprofile.InordertoproduceacleanGaussianbeam,aspatialfilterisusedtoremovetheunwantedmultiple-orderener
2017
07-24

量子級聯(lián)激光器和應用
QuantumCascadeLasersａndApplicationsContentCourtesyofDaylightSolutionsDaylightSolutionsQuantumCascadeLasers(QCLs)werefirstdemonstratedin1994bytheBellLabsTeamheadedbyJér?meFaistａndFedericoCappasso.[1]TheopticalphysicsofQCLsdifferfromthatofothersemicond
2017
07-24

Choosing the Correct Eyepiece
ChoosingtheCorrectEyepieceTheeyepieceisanintegralpartofanycompoundvisualsystem.Itspurposeistomagnifytherealimageformedbyanobjectiveorintermediaterelaysystem.Forthisreason,theeyepiecedesignaffectsthemagnification,imagebrightness,fieldflatness,ａndaberr

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