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首页 CODE V 公差分析

CODE V 公差分析.pdf

CODE V 公差分析

hyqfxlt
2011-09-04 0人阅读 举报 0 0 暂无简介

简介:本文档为《CODE V 公差分析pdf》,可适用于教育、出版领域

DecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsToleranceAnalysisToleranceAnalysisToleranceAnalysisMurphyMurphy’’sLaw:sLaw:““Anythingthatcangowrong,willgowrongAnythingthatcangowrong,willgowrongDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsAboutToleranceAboutToleranceAboutTolerance••WhatcangoWrongWhatcangoWrong––ConstructionparametererrorsConstructionparametererrors––MountingerrorsMountingerrors••ToleranceTypesToleranceTypes––MTForRMSMTForRMSwavefrontwavefront……––SensitiveanalysisSensitiveanalysis––InversesensitivityanalysisInversesensitivityanalysis––MonteCarlosampleMonteCarlosample••CompensatorsCompensatorsDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsWhatCanGoWrongWhatCanGoWrongWhatCanGoWrong••ConstructionparametererrorsConstructionparametererrors––LenssurfaceerrorLenssurfaceerror––Radius,thicknesserrorRadius,thicknesserror––Index,VIndex,Vnumbererrornumbererror……••MountingerrorsMountingerrors––AirspaceAirspace––ElementtiltingElementtilting––ElementElementdecenteriondecenterionDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsToleranceTypesToleranceTypesToleranceTypesTolerancingInversesensitivityanalysisSensitivityanalysisStartfrom:TolerancelimitsassignedofeachconstructionparameterSensitivitytableandPerformancePerformancevariationvariationStartfrom:ApredefinedordefaultvariantinvariantinsystemperformancesystemperformanceThetolerancelimitThetolerancelimitforeachconstructionparameterDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsTolerancewithCodeVLDMTolerancewithCodeVLDMTolerancewithCodeVLDMToleranceTolerancevaluesvalues••Review>ToleranceReview>Tolerance––CreatingandCreatingandCheckingtheCheckingthetolerancetermstoleranceterms••Analysis>ToleranceAnalysis>Tolerance––SelectingtheSelectingthetolerancetypetolerancetype••TolerancetypeTolerancetypeToleranceTolerancetermsTolerancetermsTolerancetermsselectingtermsselectingDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsoptics••TolerancetermsToleranceterms––CodeVdefaultCodeVdefault••Analysis>Tolerance>MTFAnalysis>Tolerance>MTF––TheMTFdegeneracyduetotheerrorTheMTFdegeneracyduetotheerrorMTFTolerance()MTFToleranceMTFTolerance(())PerformancemeasuresPerformancemeasuresLineLineOrientationOrientationSpatialSpatialFrequencyFrequencyDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsMTFTolerance()MTFToleranceMTFTolerance(())••TolerancelimitsTolerancelimits––Min,Max,andIncrementvalueMin,Max,andIncrementvalue••CodeVdefaulttoleranceCodeVdefaulttolerancelimitslimitsTolerancetermsTolerancetermsanditandit’’slimitsslimitsDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsMTFTolerance()MTFToleranceMTFTolerance(())••ProbabilityFunctionsProbabilityFunctions––UniformUniform––ndndandandththmomentsmoments––GaussianGaussian––EndpointToleranceprobabilityfunctionselectingEndpointToleranceToleranceprobabilityprobabilityfunctionfunctionselectingselectingDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsUnderstandingtheToleranceOutputUnderstandingtheToleranceOutputUnderstandingtheToleranceOutput••CheckingthechangesinCheckingthechangesinMTFMTF––ItIt’’susefultobudgetforthesusefultobudgetforthereasonabletolerancetermsreasonabletolerancetermsTolerancetermTolerancetermTolerancetermTolerancetermchangedvalueChangesinMTFChangesinMTFchangedvalueDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsUnderstandingtheToleranceOutputUnderstandingtheToleranceOutputUnderstandingtheToleranceOutput••ItIt’’seasytoreadouttheMTFdegeneracyseasytoreadouttheMTFdegeneracy••ProbabilityofMTFinChangeProbabilityofMTFinChange••MTFdegeneracyofspecificspatialfrequencyMTFdegeneracyofspecificspatialfrequencyChangeinMTFChangeinMTFCumulativeCumulativeprobabilityprobabilityTheworstTheworstchangeinMTFchangeinMTFSpecificspatialSpecificspatialfrequencyfrequencyDesignMTFandDesignMTFandMTFdegeneracyMTFdegeneracyDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsRebudgetToleranceandAnalysisReRebudgetToleranceandAnalysisbudgetToleranceandAnalysis••BasedonthetoleranceBasedonthetolerancetermscontributioninMTFtermscontributioninMTFerrorerror––ReRebudgetingthetolerancebudgetingthetolerancerangerange––LimitingthetoleranceLimitingthetolerancetermswhichmakealargertermswhichmakealargererrorerror••MTFdegeneracyafterreMTFdegeneracyafterrebudgetbudget••MTFdegeneracybeforereMTFdegeneracybeforerebudgetbudgetTheMTFraisedTheMTFraisedafterreafterrebudgetbudgetDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsDesignExample:XMicroscopeObjectiveDesignExampleDesignExample::XMicroscopeObjectiveXMicroscopeObjectiveDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsoptics••SpecificationofXmicroscopeobjectiveSpecificationofXmicroscopeobjective••SelectingastartingpointSelectingastartingpoint••BuildingtheLenssystemBuildingtheLenssystem••PerformanceevaluationPerformanceevaluation••OptimizationandReOptimizationandReevaluationevaluation••ToleranceanalysisOutlineOutlineOutlineToleranceanalysisDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsXListertypeMicroscopeObjectiveXListerXListertypeMicroscopeObjectivetypeMicroscopeObjectiveAchromaticdoubletAchromaticdoubletRealObjectside••TypicalMTFoutputTypicalMTFoutputTypicalmediumpowerobjectivespecification:*Listertype:TwoachromaticDoublet*Magnification(M):X*TheimagesideNA:**TheobjectsideNA:M*Imagefielddiameter:mm*Theobjecttoimagedistance:mm*Theimagedistance:mmTypicalmediumpowerobjectivespecification:*Listertype:TwoachromaticDoublet*Magnification(M):X*TheimagesideNA:**TheobjectsideNA:M*Imagefielddiameter:mm*Theobjecttoimagedistance:mm*Theimagedistance:mm••LenslayoutLenslayoutDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsSelectingAstartingPointSelectingAstartingPointSelectingAstartingPoint••StartinganewlensStartinganewlens––SelectingasuitablestatingpointSelectingasuitablestatingpoint––UseNewLensWizardUseNewLensWizard••CODEVsamplelensesCODEVsamplelenses••LayoutFirstorderoutputLayoutFirstorderoutputDoubletScale:ORANovMMcvlens:doubletlensDoubletScale:ORANovMMScalelensbyfactor••LayoutFirstorderoutputLayoutFirstorderoutputScaleScalebybyEFL=mmEFL=mmDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsBuildingtheLensSystemBuildingtheLensSystemBuildingtheLensSystem••CombinationoftwoachromaticdoubletCombinationoftwoachromaticdoublet––determinetheseparationdistancebetweentwoelementddeterminetheseparationdistancebetweentwoelementd––ObjectiondistanceSObjectiondistanceS––ImagedistanceSImagedistanceS’’••BaseonthefirstorderapproximationBaseonthefirstorderapproximation––ffAAandandffBBareEFLofeachdoublet(mm)areEFLofeachdoublet(mm)––φφAAisthepowerofdoubletA(isthepowerofdoubletA(φφAA==ffAA))––Tistotaltracklength(theobjectTistotaltracklength(theobjecttotoimagedistance=mm)imagedistance=mm)––mismagnification(X)mismagnification(X)••ThesolutionisThesolutionis––d=mmd=mm––S=S=mmmm––SS’’=mm=mmDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsoptics••FirstorderoutputFirstorderoutput••SurfacedateSurfacedateXMicoscopeObjectiveScale:ArkNovMM••SystemlayoutSystemlayoutReductionRatio=ReductionRatio=ObjectivedistanceObjectivedistance=mm=mmTotaltracklengthTotaltracklength=mm=mmFNO=NA,FNO=NA,NA~NA~DecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsopticsPerformanceEvaluationPerformanceEvaluationPerformanceEvaluationMODULATIONSPATIALFREQUENCY(CYCLESMM)XMicoscopeObjectiveDIFFRACTIONMTFArkNovDIFFRACTIONLIMITAXISTRFIELD()OTRFIELD()OWAVELENGTHWEIGHTNMNMNMDEFOCUSING,DG,,DG,,DG,FIELDPOSITIONDEFOCUSINGXMicoscopeObjectiveEMM••SpotdiagramSpotdiagram••DiffractiveMTFoutputDiffractiveMTFoutputDiffractivelimitedMTF••TheMTFisfarawayfromthediffractivelimitedMTFTheMTFisfarawayfromthediffractivelimitedMTFMaxspatialfrequencyforMaxspatialfrequencyforanalysis=analysis=lplpmmmmDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsoptics••PSFPSF––PointSpreadFunctionPointSpreadFunction––ItcanbeperformedastheItcanbeperformedasthe““StrehlStrehlRatioRatio””––ItisusefultochecktheresolutionorfocusingabilityofasyItisusefultochecktheresolutionorfocusingabilityofasystemPerformanceEvaluation–PSFPerformanceEvaluationPerformanceEvaluation––PSFPSFstemXMicoscopeObjectivePOSITIONArkNovmmDIFFRACTIONINTENSITYSPREADFUNCTIONSTREHLFLD(,)MAX(,)DEGDEFOCUSING:MMWAVELENGTHWEIGHTNMNMNMTheenergydon’tconcentrateasapoint••StrehlStrehlPSFoutputPSFoutputThiskindofPSFoutputmeanpoorresolutionNOTE:TheshapeofPSFissharper,theresolutionisbetterDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsoptics••ConsidertheConsiderthe““CoverGlassCoverGlass””––∼∼mm,thistypeofglassismm,thistypeofglassisclosetoKSCHTOOclosetoKSCHTOOPerformanceEvaluationPerformanceEvaluationPerformanceEvaluationMODULATIONSPATIALFREQUENCY(CYCLESMM)XMicoscopeObjectiveDIFFRACTIONMTFArkDecDIFFRACTIONLIMITAXISTRFIELD()OTRFIELD()OWAVELENGTHWEIGHTNMNMNMDEFOCUSINGXMicoscopeObjectivePOSITIONArkDecmmDIFFRACTIONINTENSITYSPREADFUNCTIONSTREHLFLD(,)MAX(,)DEGDEFOCUSING:MMWAVELENGTHWEIGHTNMNMNM••StrehlStrehlPSFoutputwithcoverPSFoutputwithcoverglass(onaxis)glass(onaxis)••MTFoutputwithcoverglassMTFoutputwithcoverglassTheimagequalitydegeneratesintoworstVeryverypoorresolutionCoverglassonimagesideDecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignDesignonLabofRFonLabofRFMWMWPhotonicePhotonicePhysNCKUPhysNCKUhttp:wwwphyshttp:wwwphysnckuedutwnckuedutwopticsoptics••ConstraintsConstraints––Reductionration=Reductionration=––ObjectObjectimagedistanceimagedistance=mm=mm••ErrorfunctiontypeErrorfunctiontype––CODEVerrorfunctionCODEVerrorfunction––WavefrontWavefronterrorvarianceOptimizationOptimizationOptimization••ErrorfunctioncontrolErrorfunctioncontrolerrorvarianceWavefronterrorvarianceWavefrontbalanceratio(default)Differentials(no)DecemberChengChengFangHoFangHoarkphysnckuedutwarkphysnckuedutwOpticalOpticalSystemSystemDesignD

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CODE V 公差分析

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