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光學(xué)儀器

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2017
7-24

Polarizer Selection Guide
PolarizerSelectionGuideFormoreinformationonpolarizationreadIntroductiontoPolarization.Polarizationisanimportantcharacteristicoflight.Polarizersarekeyopticalelementsforcontrollingyourpolarization,transmittingadesiredpolarizationstatewhileref...
2017
7-24

大功率光學(xué)涂料的復(fù)雜性
TheComplexitiesofHigh-PowerOpticalCoatingsIntoday'sopticsindustry,manyprecisionopticalelementsreceivecoatingsinordertoimprovetheirtransmissionorreflectionforcertainwavelengthsorpolarizationstates.Themostcommontypesofcoatingsareanti-reflecti...
2017
7-24

紅外（IR）應(yīng)用的正確材料
TheCorrectMaterialforInfrared(IR)ApplicationsIntroductiontoInfrared(IR)Infrared(IR)radiationischaracterizedbywavelengthsrangingfrom0.750-1000μm(750-1000000nm).Duetolimitationsondetectorrange,IRradiationisoftendividedintothreesmallerregions:...
2017
7-24

了解中性密度濾鏡
UnderstandingNeutralDensityFiltersNeutralDensity(ND)filtersaredesignedtoreducetransmissionevenlyacrossaportionofaspecificspectrum.NDfiltersaretypicallydefinedbytheirOpticalDensity(OD)whichdescribestheamountofenergyblockedbythefilter.Ahighop...
2017
7-24

Fundamentals of Lasers
FundamentalsofLasersHowDoTheyWork?Thebasicstructureofanylaserisbasedonanactivemedium(eitheragasorsemiconductor)containedbetweentworeflectors.Alaser'sreflectorscontainlightbyoscillatingitthroughamediumrepeatedlyallowingtheenergytobuildupwith...
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

量子級聯(lián)激光器和應(yīng)用
QuantumCascadeLasersａndApplicationsContentCourtesyofDaylightSolutionsDaylightSolutionsQuantumCascadeLasers(QCLs)werefirstdemonstratedin1994bytheBellLabsTeamheadedbyJér?meFaistａndFedericoCappasso.[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...

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