zemax 中如何进行公差分析

zemax 中如何进行公差分析

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1、Page1of7ZEMAXUsers'KnowledgeBase-http://www.zemax.com/kbHowtoAnalyzeYourToleranceResultshttp://www.zemax.com/kb/articles/109/1/How-to-Analyze-Your-Tolerance-Results/Page1.htmlByDanHillPublishedon19June2006Manytimesitisusefultoanalyzeyourtolerancesindetail.InZEMAX'stoleranceanalysis,youm

2、aysavethetoleranceresultsforeachMonteCarlofile,oryoumaysaveeachtoleranceinthesensitivityanalysisindidviduallyinZEMAXfileformat.ThisarticledescribeshowtotakeacloserlookatwhatZEMAXdoesinternallytomodeleachandeverytoleranceinyourdesign.IntroductionZEMAXoffersabuilt-intolerancingfeaturewhic

3、hyoumayusetoperformacompleteandaccuratetoleranceanalysisofyouropticalsystem.AlthoughZEMAXperformsthecalculationofeachtolerance“behindthescenes,”ZEMAXalsogivesyoutheoptiontoviewwhatitisdoingmoreclosely;theoperationofthetolerancefeatureisnotalwaystransparent.Therearetwodifferentmethodstos

4、avingthemodificationsthatZEMAXmadetoyourlensfiletocalculatethechangeincriteriaasafunctionofthespecifiedtolerance(s).ThefirstoptionmaybedefinedintheToleranceDataEditorasatolerancecontroloperand.TheSAVEtolerancecontroloperandcanbeusedafteranytoleranceyouwouldliketoinspectinmoredetail.Fore

5、xample,supposethatyouhadatoleranceoperandTEDX(toleranceonelementdecenterinX)intheToleranceDataEditor.Afterreviewingtheresultingsensitivityanalysis,theresultsdidnotappeartomakesense.Asaresult,youmayedittheToleranceDataEditorbyaddingaSAVEcommandaftertheTEDXoperand.Thenexttimethetolerancea

6、nalysisisrun,ZEMAXwillsavethefileusedtocomputetheTEDXtolerance,whichyoumayviewasaZEMAXlensfile.ApplyingtheSAVEToleranceControlOperandTodemonstrate,considerasingleelementforwhichyouwouldliketoknowhowtheRMSSpotRadiuschangesforatilttoleranceabouttheXaxis.FILE:SingleElementLens.ZMX(attached

7、tolastpageofarticle)TETXistheoperandf2011ortoleranceonelementtiltabouttheXaxis.Inthiscase,thesingleelementhasatilttoleranceof+/-0.5degrees.Runningthetolerancewiththefollowingsettings(notethatParaxialFocusissetasthecompensator):http://www.zemax.com/kb/articles/109/1/HowtoAnalyze

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