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3280EastFoothillBoulevardPasadena,California91107USA(626)795-9101Fax(626)795-0184e-mail:service@opticalres.comWorldWideWeb:http://www.opticalre

s.comSection5PerformanceEvaluationIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›TypesofPerformanceEvaluations•Displayfeatures–Usedtovisualizeand

characterizetheopticalsystem–Usedtocommunicateinformationtoothers•Diagnosticanalyses–Usedprimarilybythedesigner–Aberrationanalyses

(first-andthird-order,rayfans,etc.)–Singleraytracing•GeometricalandDiffraction-basedImageevaluations–Simulatefinaluse(

ofinteresttodesignerandcustomer)–Comparetospecifications–Geometricalorwavebased–MTF,PSF,encircledenergy

,RMSwavefronterror,etc.•SystemandOtherevaluations–Maybeofinteresttodesigner,otherengineers,andcustomer–Cost,weight,transmission,ghostimages,Narcissus

,etc.–Illuminationanalysis–TolerancingIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›DisplayMenuOptions•VIEViewLens,comprehensiv

efeaturetoallowtheplottingofopticalsystemsincross-section,as3Dperspectiveviews,etc.,withmanyoptions•SLDSolidModel

ing,supportsasolidmodelrasterimagedisplayoftheopticalsystem.(Soontobereplacedbyanenhanced3DVisualizationfeatureinCODEV9.40)•ELEElementDrawings,pro

videsabilitytocreatelenselementdrawingsintheCODEVstandardformat,ISO10110format(ISOPLOTmacro),orChineseNationalformat

(CHINAPLOTmacro)•LISListLensData,providesameanstocreateatextlistingofall,orasubset,oflensparameterinformationIntroductiont

oCODEVTraining,Fall2003,Slide5-‹#›SampleofDisplayOutputIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›UsefulSuppliedMacroforVIE•TheVIEWLENS(VIE)op

tionisveryflexible,buttheflexibilitycanmaketheinputdialogcomplex•IntheCV_MACRO:directory,ORAprovidesthesamplemacroQUICKVIEW.S

EQ,thatallowssimplifiedinputofthemostcommonlyusedVIEchoices:IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›DiagnosticAn

alysisOptions:Analysis>Diagnostics•FIOParaxialRayTraceofmarginalandchiefray.Usefulforunderstanding1storderpro

pertiesofthesystem•RSI/SINRealRayTraceofarbitraryrays.Oneofthemostusefuldiagnosticfeaturesinanyopticaldesign/an

alysissoftware•BEAGaussianBeamTraceofspotsizeandorientation,wavefrontcurvatureandorientation,waistsizeandlocation.Usefulforphotonicssy

stems,orlasersources•THOThirdOrderAberrations,computationofSeidelaberrations;typicallythirdorderaberrationsdominantthedesign•FORDERFif

thOrderAberrations,computationof3rd,5th,and7thordertransverseorwavefrontaberrations,viamacro•ANAFirst/ThirdOrderAnalysis,withchromaticdifferences,hig

her-order,fullraytraceforallreferencerays•RIMRayAberrationCurves(transverseorOPD).Usefulgraphicaldiagnosticofaberrat

ioncontent•FIEFieldCurves:astigmatismanddistortion,scanlinearity,longitudinalsphericalaberration,chromaticdiff

erencesIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›DiagnosticAnalysisOptions:Analysis>Diagnostics(2)•DI

STDistortionGrid:Macrotoplotreferencerectilineargridacrossthefieldofviewandcorrespondingactualimagegrid,displayingsystemdistortion•LATCOLORLat

eralcolorplotmacrotocomputethelateralcolorofthesystembasedonrealraytracing•PMAPupilMapdisplayofOPDsorintensityacrossthepupil,fitofpupilO

PDmapstoZernikepolynomials.IdealdiagnosticforFFT-baseddiffractionoptions•FMAFieldMapdisplayofdistortion,spotsize,wavefr

onterror,Zernikecoefficients,orBraggefficiencyacrosstheFOV.Idealdiagnosticfortiltedanddecenteredsystems•FOOFootprintofopticalrayb

undlesonsurfaces.Idealdiagnosticforaperturesizingandclearancedeterminations•CATCatseyePlotofapertures/obstructionsasprojectedontopupil•FOVBiocula

rFOVPlotfromdifferenteyepositions.SpecialtyanalysisforvisualinstrumentsorHUDsutilizingbotheyesIntroduc

tiontoCODEVTraining,Fall2003,Slide5-‹#›FifthOrderAberrations•SelectAnalysis>Diagnostics>FifthOrderAb

errations•List3rd,5th,and7thorderaberrationsintermsoftransverseaberrationsorwavefrontaberrationsIntr

oductiontoCODEVTraining,Fall2003,Slide5-‹#›RayAberrationPlots:RIMOption•SelectAnalysis>Diagnostics>RayAberrationCurves–Orusethetoolbarbutton:

•PlotoftransverseorOPDrayaberrationvs.pupilposition•PlotshowsdeviationsfromthechiefrayattheimageplaneinXandYIntr

oductiontoCODEVTraining,Fall2003,Slide5-‹#›TypicalRimrayCurves-0.05000.0500DefocusThird-orderspherical

Coma-0.05000.0500-0.05000.0500Astigmatism-0.05000.0500IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›FieldAberrations:FIEOption•SelectAnalysis

>Diagnostics>FieldCurves–Orusethetoolbarbutton:–Tableandplotofastigmatismanddistortionvs.field–Foraf

ocalsystems,canlisttheseindioptersRELATIVEANGLEX-FOCUSY-FOCUSX-FOCUSY-FOCUSDISTORTIONFIELDHEIGHT(DEG)ATTHEIMAGESURFACE(DISPLACEDBY0.028933)(PERCE

NT)0.000.00-0.028933-0.0289330.0000000.0000000.000000.102.08-0.037182-0.028489-0.0082490.0004440.0091

40.204.16-0.061446-0.027324-0.0325130.0016100.036910.306.23-0.100283-0.026215-0.0713490.0027190.0843

20.408.28-0.151292-0.026981-0.1223590.0019530.153160.5010.31-0.211126-0.033353-0.182193-0.0044200.246040.6012.32-0.2754

80-0.052407-0.246546-0.0234740.366570.7014.29-0.339068-0.096802-0.310135-0.0678690.519580.8016.23-0.395560-0.188305-0.366627-0

.1593720.711520.9018.14-0.437445-0.363345-0.408512-0.3344110.950981.0020.00-0.455803-0.681918-0.426870-0.6529851.2

4963•Optionallycanalsooutputlongitudinalsphericalaberrationorscanlinearity(deviationsfromf-thetadistortion)IntroductiontoCODEVTr

aining,Fall2003,Slide5-‹#›FieldAberrationPlotLONGITUDINALSPHERICALABER.FOCUS(MILLIMETERS)1.000.750.500.25-0.2-0.10.00.10.2ASTIGMAT

ICFIELDCURVESANGLE(deg)ST20.0015.2710.315.20-0.8-0.40.00.40.8FOCUS(MILLIMETERS)DISTORTIONANGLE(deg)20.0015.2710.315.20-2-1012%DISTORTION

CookeTripletf/4.5656.3NM546.1NM486.1NMIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›PupilMap:PMAOptio

n•SelectAnalysis>Diagnostics>PupilMap•MainoutputisalistandoptionalplotoftheOPDacrossthepupil–Separateoutputsforeachwavelength,field,andzoo

mposition–AlsoliststheRMSofthebasicdataandtheRMSafterremovingtiltandafterremovingtiltandfocuserror•OPDdata

canbeconvertedtoZernikepolynomialsandcanbesavedasinterferograms•PupilintensityoutputcanreplaceOPD–Measureofpupilaberration•Outputcanalsobephaseacr

ossthepupil–Usefulinpolarizationstudies•OutputcanalsoshowsurfaceswherethepupilisclippedIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›PupilMapOPD

ListingFIELD(X,Y)=(0.00,0.69)MAX,(0.00,14.00)DEG587.6NM117415x14Waveaberrationsinhundredthsofwavelength587.6NMRMS=0

.883wavesP-V=4.113wavesSUMOFVALUES=8929.789101112131415161718192021222324252610-75-74-74-74-751134261451

5142634121169468453025304568941161317915111478493125314978114151179142262031601147342231623427311416020322615241205155106643

3147143364106155205241162371971469756268282656971461972371721918113488502260622508813418121918188160119794621616214679

119160188191411289967391861618396799128141206878654525100-3010254565786821-295-4-13-18-21-18-13-459-222-88-69-63-61-62

-62-62-61-63-69-8823-170-155-147-145-147-155-170RMSWaveaberrationShiftofnominalimage(waves)point(mm)(FIT)XYFocusNone0.883(P-V=4.113)Tilt0.8220.00

0000-0.003866Tilt/Focus0.8070.000000-0.017298-0.057160IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›PupilMa

pOPDPlottedOutputPOSITION1WAVEABERRATIONDoubleGauss-U.S.Patent2,532,751WAVELENGTH:587.56NMFLD(0.00,1.00)MAX,(0.0,10.0)DEG

DEFOCUSING:0.000000MMCONTOURINTERVAL:0.60WAVESMIN/MAX:-0.12/6.7648108168228288348408468528588648DoubleGauss-U.S.Patent2,

532,751POSITION110WavesWAVEABERRATIONFIELDANGLE-Y:10.00DEGREESX:0.00DEGREESDEFOCUSING:0.000000MMWAVELENGTH:587.56NMHORIZONTALWIDTHREPRESENTSGRIDSIZ

E64X64IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›PupilMapOPDPlottedasInterferogramWaves0.00001.00000.5000WAVEFRONTABERRATI

ONDoubleGauss-U.S.Patent2,532,751Field=(0.000,10.00)DegreesWavelength=587.6nmDefocusing=0.000000mmIntroductiontoCODEVTraining,Fall2003,

Slide5-‹#›FieldMap:FMAOption•SelectAnalysis>Diagnostics>FieldMap•FMAisusedtocreateafull-fielddisplayof

variousperformancemeasures–Geometricaldistortion(chiefrayorcalibrated)–PSFbaseddistortion(centroidorcalibrated)–RMSspotsize–RMSwavefronterror–

Astigmatism–Zernikepolynomialcoefficientsofwavefront•Idealdiagnosticforsystemswithtilted&decenteredcomponentsIntr

oductiontoCODEVTraining,Fall2003,Slide5-‹#›FieldMapPlotsIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›FootprintPlot:FOOOption•ChooseAnalysis>

Diagnostics>FootprintPlot•FOOcalculatesthesurfacefootprintsofeachfieldandzoompositionforeachspecifiedsurface–Forspeed,thecomputationisattherefere

ncewavelengthonly•Thesefootprintsareplottedintheirproperlocationonthesurface,allowingyoutoseeataglancetheneededsizeandshapeofthesurface•

Thefootprintscanbeplottedasoutlinesofeachfield,orasgridsofrays(essentiallyspotdiagrams)•Theoutlineofthecombinedeffectofalldefinedap

erture(s)onthesurfacecanbeplottedwithDAP(SpecialControlstab,DrawApertureLimits)•FOOalsooutputstheprojectedareaforeachfield

•ThiscanbeveryusefulforilluminationcalculationsIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›FootprintEx

amplecomputefootprintonfoldmirrorFoldMirrorSURFACE1210.0MMX=0.000Y=0.000IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›Workshop5-1:Dis

tortionAnalysis1.RestoretheFisheyelens(NewLensWizard,CODEVSamples,fisheye.len).Changethemaximumfieldangleto60°i

ntheNLWandsetthevignettingintheLDM(Lens>Calculate>SetVignettingData).Drawthelens.InCODEV,theimagesurfac

eisdrawntocovertheGaussian(paraxial)imageheight.Notethelastfieldiswellwithintheedgeoftheimage;thisisindicativeofalargeamountofnegativedistort

ion.2.ComputeandplotthedistortionwiththeFIEoption(Analysis>Diagnostics>FieldCurves).3.Getafullfieldm

apofthedistortionwiththeFMAoption(Analysis>Diagnostics>FieldMap).SelectDistortionfromthedropdownlist.TryitagainwithC

alibratedDistortion.Whatisthedifference?4.Getaplotofthedistortedimage(Analysis>Diagnostics>DistortionGrid).Use60fortheXFOVsemi-fie

ldvalue.Thisshowstheactualdistortedimageontheimageplane.NotethatthisplotisnotactuallypartofCODEV,butratherrunsamacro(cv_macro:dist.se

q).IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›GeometricalImageEvaluationOptions:Analysis>Geometrical

•SPOSpotDiagramvs.fieldandthrough-focus•QUAQuadrantAnalysisshowingenergyonquadrantdetectorvs.scan.Usefulfortracki

ngsystems,photometers.•RADRadialEnergyAnalysislistingpercentenergyinspotdiameters.•GDEGeometricalDetectorAnalysisofenergyvs.position.Us

efulfortrackingsystems,photometers.•GLSGeometricalLineSpreadFunctionandedgetracevs.scan•MTFModulationtransferfunctionvs.frequencyan

dthrough-focus•BIOBiocularAnalysis:divergence,convergence,ordipvergencefordifferenteyepositions(Specialtyanalysisforvisualinstruments

orHUDsutilizingbotheyes)IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›SpotDiagram:SPOOption•SelectAnalysis>Geometri

cal>SpotDiagram–OruseQuickSpottoolbar•Tracesarectangulargridacrosstheentrancepupilandplotstherays'imageinte

rsections•Thedefaultistotraceabout316raystotaloverallwavelengths–ThiscanbechangedwithNRD–WTWcontrolsthenumberofraysplottedforeachwavelengt

h•OutputisplotplustabularsummaryofcentroidsandRMSspotsizes–Recommendedtosetthenumberofraysacrossthediameterto>50formo

reaccurateRMSspotsizes0.000,0.000DG0.00,0.000.000,10.00DG0.00,0.710.000,14.00DG0.00,1.00FIELDPOSITIONDEFOCUSING0.00000DoubleGauss-U.S.Pa

tent2,532,751.635E-01MMIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›UsefulSuppliedMacrosforSPO•ChooseTools>Macro…SampleMacros>GeometricalAnaly

sis–SPOT2D.SEQwillcreatea2-Darrayofspotdiagramsrepresentingspotsacrossthefieldofview–SPOTDET.SEQwillsuperimposeadetectororAirydiskpatt

ernonthespotdiagram–LUMSPOT.SEQusesCODEV’silluminationanalysisfeaturetocreateafalsecolorspotdiagramIntroductiontoCODEVTraining,F

all2003,Slide5-‹#›RadialEnergyAnalysis:RADOption•SelectAnalysis>Geometrical>RadialEnergyAnalysis•Findsdiameterofcirclewhichcontainsa

givenpercentoftheenergy–AdjustscentersofcirclestominimizediameterSPOTDIAMETERSDoubleGaussFOCUS---0.00000FIELD(

X,Y)PCT(0.00,0.00)MAX(0.0,0.0)DEG100.00750200.02110300.03632400.05241500.06129600.07322700.08421800.08940900.100961000.13372IntroductiontoCODEVTrain

ing,Fall2003,Slide5-‹#›RADPlottedOutputDEFOCUSING0.00000DoubleGauss-U.S.Patent2,532,751DIAMETEROFCIRCLE(MM)ENCIRCLEDENERGY0.

0E+003.9E-027.8E-021.2E-011.6E-011.9E-012.3E-012.7E-013.1E-013.5E-013.9E-010.00.10.20.30.40.50.60.70.80.91.0(0.000,0.000)DEGREES(0.000,10.00

)DEGREES(0.000,14.00)DEGREESIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›Diffraction-basedImageEvaluationOptions:Analysis>Dif

fraction•MTFModulationtransferfunctionvs.frequencyandthrough-focus•PSFPointSpreadFunction(imageofapointobject)•

LSFLineSpreadFunctionandedgetrace(1DintegralsofPSF).Usefulfordeviceswithslits.•WAVWavefrontAnalysisofRMSw

avefronterrorandbestfocusdetermination.Helpfultodetermineifsystemisdiffraction-limited.•PARPartialCoherence,analyzes1Dor

2Daerialimagestructureunderilluminationrangingfromincoherenttofullycoherent(primarilyformicro-lithographic)systems•BPRGeneraldi

ffractionBeamPropagation,oftenforfreespacephotonicssystems.•CEFFiberCouplingEfficiencyintosingle-modefibers•FMA*BraggDiffractionEfficiency,compu

testhediffractionefficiencyforavolumehologram(*FMAoptionwithoutFFDsub-command)IntroductiontoCODEVTraining,Fall2003

,Slide5-‹#›ModulationTransferFunction:MTFOption•SelectAnalysis>Diffraction>MTF•Computespolychromaticfrequencyresponsetosinewave(oroptionallys

quarewave)targetsorientedhorizontallyandvertically(andoptionallyat45°)foreachfocusposition(ateachfieldandzoomposition)•Computedbyau

tocorrelationofpupilfunction(OPD,amplitudeatexitpupil)IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›MTFTabularOutputWAVELENGTHWEIGHTNO.OFRAYSFIELD(

X,Y)=(0.00,1.00)MAX,(0.00,20.00)DEG650.0NM1852RELATIVEILLUMINATION=60.6PERCENT550.0NM21194ILLUMINATION(UNITBRIGHTNESS)=0.016008480.

0NM11556DISTORTION=-0.08PERCENTDIFFRACTIONLIMITFOCUSPOSITIONFormulaActual-0.10000-0.050000.000000.050000.10000L/MMf/5.471RADT

ANRADTANRADTANRADTANRADTANRADTAN----------------------------------------------------------------------------

-0.999.999.999.999.999.999.999.999.999.999.999.999.99920.922.920.878.591.827.738.856.847.853.899.819.8

85.75740.845.841.757.191.648.442.706.681.685.798.591.726.44760.768.762.636.017.507.239.569.545.526.707.39

8.565.23580.693.684.519.024.398.120.450.435.394.620.264.430.127100.618.607.405.018.307.060.345.347.288.539.177.

328.075MTFdiffractionlimitincludingapertures,vignetting,andpupilaberrationcomputedtangentialandsagittalMTFateachfrequencyandfocusposition

SpatialfrequencyIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›MTFvs.SpatialFrequency1.00.90.80.70.60.50.40.30.20.1MODULATION204060801001201401601802

00SPATIALFREQUENCY(CYCLES/MM)IntroductorySeminarf/5.6TessarDIFFRACTIONMTFDIFFRACTIONLIMITAXISTR0.7FIELD()14.00OTR1.0FIELD()20.

00OWAVELENGTHWEIGHT650.0NM1550.0NM2480.0NM1DEFOCUSING0.00000IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›Through-focusMTFAnalysis•You

canevaluateMTF(andotheranalyses,e.g.,SpotdiagramandPSF)onathrough-focusbasis(i.e.,onplanesdisplacedby+zand/or-zshiftsfromthenominal

imageplaneposition)•Focusdefinitionispartoflensdata,sobeforerunningMTF,usetheLDMtospecifynumberoffocuspositions,firstfocusposition,andincremen

tinfocus–ChooseLens>SystemData–OnThroughFocuspage,definenumber,start,andincrementoffocusIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›Through-focusM

TFCheckthisboxforthrough-focusplotCanonlyplotfrequenciesalreadychosenforcalculation1.00.90.80.70.60.50.40.30.20

.1MODULATION-0.15000-0.10000-0.05000-0.000000.05000DEFOCUSINGPOSITION()MMIntroductorySeminarf/5.6TessarDIFFRACTIONM

TFDIFFRACTIONLIMITAXISTR0.7FIELD()14.00OTR1.0FIELD()20.00OWAVELENGTHWEIGHT650.0NM1550.0NM2480.0NM1FREQUENCY50C/MMIn

troductiontoCODEVTraining,Fall2003,Slide5-‹#›UsefulSuppliedMacrosforMTF•ChooseTools>Macro…SampleMacros>Diffra

ctionAnalysis–FFT2DMTF.SEQwillcreatea3DMTFplotforeachfield–MTFVSFLD.SEQwillcreateaplotofMTFversusfieldatu

pto3userdefinedspatialfrequenciesIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›Workshop5-2:MTFAnalysisofaC

ookeTriplet1.UsetheNewLensWizardtoopentheCODEVsamplelenscooke1.2.RunanMTFanalysis(Analysis>Diffraction>MTF).Useamaxi

mumfrequencyof100cycles/mmandafrequencyincrementof10cycles/mm.PlottheMTFvs.frequency.3.Setup9focalpositionsspanningtherangeof-0.4mmto

+0.4mm.4.RuntheMTFagain,plottingtheMTFvs.focusforafrequencyof20cycles/mm.NotehowthesagittalandtangentialMTFshavedifferentl

ocationsforthepeakvalues.Thisisanindicationofastigmatism.IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›PointSpreadFunction:PSFOption•SelectA

nalysis>Diffraction>PointSpreadFunction•Calculatesdiffraction-basedimageofapointobject•UsesFFT(FastFourierTransf

orm)•Varioustypesofoutput–Imageofapointobject–Encircledenergy–Detectorconvolution–Imageoftwocloseobjects•Outputcanbelisted,plot

ted,outputasinterferograms,orsavedintotheWorksheetBufferforfurtheranalysis•Polychromaticoutputisperfield,focusposition,andzoompositionIntroduct

iontoCODEVTraining,Fall2003,Slide5-‹#›PSFPrintedOutputSUMOFVALUES=567.StrehlRatio=0.999223242526272829303132333435363738392912130145454131431

34321521492151332414910049142341521492151354313436145454137121XYPSFcentroidcoordinatesrelativetochiefra

y0.0000000.000000mm.Momentaboutthecentroid:Second0.2001101E-030.2001101E-03Third-0.1118492E-12-0.2691536E-12Fourth0

.1059935E-050.1059935E-05<XY>:0.1161191E-12IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›PSFPlottedOutputRitchey-ChretienPOSITION10

.03756mm25DIFFRACTIONINTENSITYSPREADFUNCTIONFLD(0.00,0.00)MAX;(0.0,0.0)DEGDEFOCUSING:0.000000MMWAVELENGTHWEIGHT632.8NM1IntroductiontoCODEVTrain

ing,Fall2003,Slide5-‹#›UsefulSuppliedMacroforPSF•ChooseTools>Macro…SampleMacros>DiffractionAnalysis–PSFPLOT.SEQwillcreateacross-sectio

nalsliceofthePSFateachfield,withauserselectedgridoffset,onanormalizedorlogscaleIntroductiontoCODEVTraining,Fall20

03,Slide5-‹#›LineSpreadFunction:LSFOption•SelectAnalysis>Diffraction>LineSpreadFunction•Outputislinespreadandedgetraceandplotofthelinespreadfor

eachfieldandzoompositionRitchieChretienDIFFRACTIONINTENSITYPROFILELINESPREADFUNCTIONWAVELENGTHWEIGHT632.8NM1DEFOCUSING0.00

000RELATIVEINTENSITY1.251.000.750.500.250.00-0.1146-0.0859-0.0573-0.02860.00000.02860.05730.08590.1146DISPLACEMENTONIMAGESURF

ACE(MM)RNA(X,Y)FIELDSCANINC(0.00,1.00)RINC(0.00,1.00)TIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›WavefrontAnalysis

:WAVOption•SelectAnalysis>Diffraction>WavefrontAnalysis–CanalsousetheQuickBestFocustoolbarbutton:•ComputestheRMSwavefronterror(withtiltremoved)for

eachfieldatindividualbestfocusandatbestcompositefocus,oroptionally,atthecurrentfocusFIELDBESTINDIVIDUALFOCU

SBESTCOMPOSITEFOCUSFRACTDEGSHIFTFOCUSRMSSTREHLSHIFTFOCUSRMSSTREHL(MM.)(MM.)(WAVES)(MM.)(MM.)(WAVES)X0.000.00

0.0000000.0121810.00031.0000.000000-0.0056620.00670.998Y0.000.000.0000000.000000X0.000.000.000000-0.0221530.01660.9890.000000-0

.0056620.01750.988Y0.670.40-0.0004990.001155X0.000.000.000000-0.0129110.01980.9850.000000-0.0056620.02000.984Y1.000.600.0007710.001881COMPO

SITERMSFORPOSITION1:0.01553UnitsofRMSarewavesat632.8nm.IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›Bea

mPropagation:BPROption•ChooseAnalysis>Diffraction>BeamPropagation•Beampropagationisusefulforanalyzingsystemsforwhichgeometrical

opticsisunabletoproperlyaccountforthepropagationoflightthroughthesystem–Especiallysignificantwhendiffractioneffectsoccurduetoslowbe

ams,apertureclipping,intermediateimagestructure,etc.–Forexample,lasersystemsandinterferometers•UsesseveralFFT-basedalgorithm

stopropagatethefield•Theuserselectsthesurfacerangesinwhichtousebeampropagation,andgeometricalraytracingisusedbetweentheseregion

s–Combinesaccuracyofbeampropagationwhereneededwiththespeedofraytracing,whenbeampropagationisnotneededIntroductiontoCODEVTraining,Fall

2003,Slide5-‹#›BeamPropagationExample157.96MM157.96MM0.000097.01648.508Ruling0.25mm.fromfocusBeamIntensityat100mm.b

eyondfocusRelativeField(0.000,0.000)POSITION1Wavelength500.00nm.Defocus:0.000000MM15:55:275RonchiRulingExample

Scale:1.10ORA13-Ju22.73MMRonchiRulingIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›FabricationSupportOptions:Analysis>FabricationSuppo

rt•FABFabricationdatatablesincludessagtablesandtheabilitytodisplayinterferogramfiledata•COSCostAnalysisbasedonmaterialandfabricationcosts•WEIWeightA

nalysisincludesacenterofgravitycalculation•ALIAlignmentOptimization,interfaceswithmeasuredinterferometricdatatoaidinsystemal

ignmentIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›•SPESpectralAnalysisofmultiplecurvesanddeterminationofreprese

ntativewavelengthsandweights•TRATransmissionAnalysisincludingpolarizationeffectsofsingleormultilayercoati

ngs.•GHOParaxialGhostImageAnalysisofall2-surfaceghostimages.•NARNarcissusAnalysisofscanningthermalinfraredsystems.SystemAnalysisOptions:Analys

is>SystemIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›TransmissionAnalysis:TRAOption•SelectAnalysis>Syst

em>TransmissionAnalysis•Computespupilaveragedtransmissionofeachfieldandzoomposition•Computationincludespolarization

effectsofanysingleormultilayercoatingsonsurfacesandbulkabsorptionofrefractivematerials–Ifnocoatingsarespecified,TRAassumesasinglel/4coatingofMgF2o

nallair-glasssurfacesandadefaultcementonallglass-glasssurfaces–Mirrorswithoutcoatingsareassumedtobeperfectreflec

tors•TRAalsooutputstheprojectedsolidangleinimagespace(andobjectspaceforfiniteconjugates)–Thisisaveryaccuratecalculationofth

erelativeilluminationatthatimagepoint•Outputislistingonly(nographics)IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›TransmissionAnalys

isOutputTRANSMISSIONCHARACTERISTICSFIELDSURFSOURCE656.3NM587.6NM486.1NMTOTALFIELD(X,Y)=(0.00,0.00)DEGSurfaceTransmittance1REF0.99160.99330.98880

.9913ABS0.99600.99710.99560.99622REF0.99730.99720.99700.9972ABS0.99930.99930.99830.99893REF0.99500.9973

0.99060.9943-------------------------------------------------------PRODUCTREF0.98400.98790.97660.9828ABS0

.99530.99640.99390.9952AveTransmittance:0.97940.98430.97060.9781ILLUMINATION:0.085880.086320.085110.08577RELATIVEILLUM:100.010

0.0100.0100.0PROJECTEDSOLIDANGLE(IMAGESPACE):0.087690.087690.087680.08769USEDAREAOFENTRANCEPUPIL:.871E+03.871E+03.871E+03.871E+03Introducti

ontoCODEVTraining,Fall2003,Slide5-‹#›GhostImageAnalysis:GHOOption•SelectAnalysis>System>GhostImageAnalysis•

Outputisalistofallthetwo-surfacereflectionghostimages•Outputincludessizeofghostimage,focallengthofghostimage,shiftinba

ckfocalpositionfortheghostimage,pupilratio,andmagnificationCalculationisbasedonparaxialraytracealthoughrealrayghostimagescanb

eanalyzedwithnon-sequentialmodelsIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›UsefulSuppliedMacroforGHO•ChooseTools>Macro…SampleMacros>Geometri

calAnalyses–GHOST_VIEW.SEQwillruntheGHOoption,displaynon-sequentialmodelswithrealraysforeachghostpathandoptiona

llysaveeachmodelIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›•TORMTF,RMSWavefrontError,FiberCouplingEfficiency,andPolarizationDependentLoss.Allthes

eoptionsuseCODEV’sveryfastwavefrontdifferentialtolerancingalgorithm•TODDistortion,toleranceanalysisonchiefr

aydistortionperformance•TOLFDIFUSER–FINITEDIFFERENCES,macrothatperformsfinitedifferencestolerancingonanyperformancemetr

icthatCODEVcancompute•TOLMONTEUSER–MONTECARLO,macrothatperformsMonteCarlotolerancingonanyperformancemetricthatCODEVcancomputeTolerancingAnalysisOpti

ons:Analysis>TolerancingSeeSection13formoredetailIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›OtherAnalysisOptions•LUMAn

alysis>Illumination,illuminanceatareceiverbasedononeormorepointorextendedsources•ENVLens>EnvironmentalChange,allowsforautomaticmodificationofthelens

parametersbasedonatemperaturechanges,pressurechanges,andradialgradients.CODEV’sanalysisoptionscanthenbeusedontheenvironmentallyperturbedlens•IGE

File>Export>IGES,outputswireframemodelofthelensinIGESformat(soontobereplacedbyanenhanceddataexportfeatureinCODEV9.40toexportIGES,STEP,andSATmodels)•L

TEFile>Export>LightTools,exportslenstoafileinLightTools®formatIntroductiontoCODEVTraining,Fall2003,Slide5-‹

#›EnvironmentalChange:ENVOption•SelectLens>EnvironmentalChange•Computesthechangesinthelensduetochangesintemperatureorp

ressure–Notreallyananalysisoptioninitself–Altersthelensmodeltosimulatetheenvironmentallyinducedchange–Youcanthendoanytypeof

analysisonperturbedmodel•Note:LENSDATAISCHANGEDBYENV–Allsolvesaredeleted,andallrefractiveindices(evenair)areconvertedtoabsolute(relativetovacuum)–Alt

houghUndocansaveyoufromamistake,itisbesttosavetheoriginallensmodelbeforerunningEnvironmentalchange•Outputisthreetables–Listingofrefractiveindicesa

nddn/dTcoefficients–Listingoflensatoriginaltemperature,pressure–Listingoflensatnewtemperature,pressureI

ntroductiontoCODEVTraining,Fall2003,Slide5-‹#›UsefulSuppliedMacroforENV•ChooseTools>Macro…SampleMacros>Enviro

nmentalModeling–THERMPIK.SEQ&THERMENV.SEQwilluseENVtocreatea3-positionzoomlenswhereeachconfiguration

representsadifferenttemperatureofanominalsystem.UsefulforsettingupalensmodelforathermaloptimizationIntroductiontoCODEVTraining,Fall2003,

Slide5-‹#›Workshop5-3:TemperatureSensitivityofaSinglet1.Createa50mmdiameter,f/2,plano-convexBK7lens.Useo

nlyonewavelength(550)andonlyconsideron-axis(Hint:Onequickapproachistorestorethelenssinglet.lenthroughtheNewLensWizard,deletingthesolveswhenprompted

afterchangingittof/numberof2.0,thenchangingcurvaturesasneeded).2.Addaparaxialimagesolveandmaketheconvexsurface

anasphere.Optimizetomakethelensasgoodaspossibleon-axis.AnalyzethelenswithrayaberrationcurvesandRMSwavefronterror.3.Pe

rformanenvironmentalanalysistochangethetemperatureto40°C.4.Hastheperformancechanged(lookatarayaberrationcu

rve).Whatisthedominanteffect?5.Refocusthelenstobestfocus(usetoolbarbuttonforQuickBestFocus).Howmuchdidthedefocuschange?

Isthereanyresidualperformancechange?IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›Supplement:SpecializedEvaluationsI

ntroductiontoCODEVTraining,Fall2003,Slide5-‹#›SpecializedEvaluations•CODEVhassomeoptionsthatarehighlysp

ecializedtoparticularfieldsandarenotnormallytaughtaspartoftheintroductoryseminar•TheseoptionsarecoveredindetailintheonlineRe

ferenceManual•Thissectionhasexamplesofafewoftheseoptionsforusewithgroupswithaspecialinterestinoneorm

oreofthesesubjects–GaussianBeamTrace–Partialcoherence–FiberCouplingEfficiency–IlluminationAnalysis–BiocularFOVAnalysis–MultilayerCoa

tingDesignIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›SpectralAnalysis:SPEOption•SelectAnalysis>Syste

m>SpectralAnalysis•Separateoptionthatcanoperateindependentlyofanylensinmemory•Cascadesupto10spectralres

ponsecurvesandcomputescompositeresponse–Curvescanbeselectedfrompre-definedlistorcanbeuser-entered•Listedoutputinclu

desrepresentativewavelengthsandweights–Alsooutputspeakwavelengthand50%pointwavelengths–Alsooutputswavelengthsfor1-2-1weighting(appropriateforoptim

ization)•Plottedoutputalsoavailable•ReplaceSystemWavelengthsandWeightsfeatures(RWL,RWT)caninsertcalculatedvaluesintocurrentlensIntroductiont

oCODEVTraining,Fall2003,Slide5-‹#›SpectralAnalysisPlottedOutputSPERSPS_1BLA5500PLOALLGO1.00.90.80.70.60.50.40.

30.20.1RESPONSE250.0350.0450.0550.0650.0750.0850.0950.01050.0WAVELENGTHSPEOptionExampleSPECTRALRESPONSECOMBINEDS_1BLACKBODY(5,500OK)D

ropdownlistofpredefinedspectralcurvesUsethistabforuser-definedcurvesIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›SpectralAn

alysisListedOutputWAVELENGTHWEIGHT958.3324.82829.3192.71665.13101.66463.1144.86349.3054.44WAVELENGTHSANDWEIGHTINGFOR.5AN

D1.0RESPONSEWAVELENGTHWEIGHT878.929.17367.629.00331.571.66WAVELENGTHSFORTRUE1,2,1WEIGHTINGWAVELENGTHWEIGHT874.301.00687.762.00370.69

1.00usethesewavelengthsandweightsforMTF,PSF,TOR,etc.usethesewavelengthsandweightsforAUTOIntroductiontoCODEVTraining,Fall2

003,Slide5-‹#›GaussianBeamTrace:BEAOption•SelectAnalysis>Diagnostics>GaussianBeamTrace•PropagatesGaussianbeamsthroughthesystem(usingrayapproac

h)–Basicinputisobjectsurfacewaistradius(x,y)–Outputisbeamsizeandorientation,wavefrontcurvatureandorientation,andwaistsizeandlocationGAUSSIANBEAMPROPA

GATIONSingletPOSITION1WAVELENGTH=500.0NMDIMENSIONS=MILLIMETERSFIELDPOSITION=(0.00,0.00)BEAMWAVEFRONTRADIUSPHASEWAISTRADIUSPROPAG

ATIONBEAMRADIUSORIENTATIONOFCURVATUREORIENTATIONBEFOREDISTANCEFROMDISTANCETOONSURFACE(DEGREES)BEFOREREFRACTION(DEGREES

)REFRACTIONWAISTTOSURFACESURNEXTSURFACEXYXYXYXYOBJ100.00000.05000.05000.0INFINF0.00.05000.05000.00000.000015.000

00.32220.32220.0-102.4674-102.46740.00.05000.0500100.0000100.0000296.57280.32150.32150.02295.47472295.47470.00.29530.2953-358.85

86-358.8586IMG0.31830.31830.0-68611.208-68611.2080.00.31830.31835.90655.9065IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›PartialCoheren

ceAnalysis:PAROption•SelectAnalysis>Diffraction>1DPartialCoherenceorAnalysis>Diffraction>2DPartialCoherence•Prima

rilyusedformicro-lithographicsystems•Computesthediffractionpatternincludingtheeffectsofpartiallycoherentillumination–Therelativenumericalap

erture(RNA)determinesthedegreeofcoherence•Indicateswhatfractionoftheentrancepupilisfilled•0=fullycoherent,2=fullyincoherent,e

tc.•1Dcalculationforbarsandedges•2DcalculationforrectangularobjectsIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›1DPartialCoherenc

eExample0.5NAPerfectLensDIFFRACTIONINTENSITYPROFILEPARTIALLYCOHERENTILLUMINATIONWAVELENGTHWEIGHT500.0NM1D

EFOCUSING0.00000RELATIVEINTENSITY1.251.000.750.500.250.00-7.7-5.8-3.9-1.90.01.93.95.87.7DISPLACEMENTONIM

AGESURFACE(MICRONS)GEOMETRICALSHADOWRNA(X,Y)FIELDSCANINC(0.00,0.00)RobjectresponseIntroductiontoCODEVTraining,Fall2003,Slide5-‹#

›2DPartialCoherenceExampleobjectpattern.01575mm.01575mm.001360.85850.42990.5NAPerfectLensAERIALIMAGEField=(0.000,0.000)DegreesDefocusing=0.000000

RNA:1.000.5NAPerfectLensPOSITION10.00254mm0.2143AERIALIMAGEINTENSITYFLD(0.00,0.00)MAX;(0.0,0.0)DEGDEFOCUSING:0.000000MMRNA:1.00WA

VELENGTHWEIGHT500.0NM11234+56IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›CouplingEfficiency:CEFOption•SelectAnalysis>Diffraction>FiberCouplingEff

iciency•Computesthepercentageofthediffractionaerialimagethatiscoupledintoasingle-modefiber–Theoutputfibermodecanbestepprofile,Gaussian,oruse

r-defined–Gaussianismostcommon(e.g.0.0052mmmoderadiusfortypicalsinglemodefiberat1550nm)•Thenominaloutputfibercanbedisplacedortiltedwit

hrespecttothechiefray,andcanhaveawedgeangleonthetipofthefiber•Analysiscanbedoneofcouplingefficiencyvs.tilt,displacement,orwedgeparameters•Outp

utcanbeexpressedindecibels(dBinsertionloss)IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›CouplingEffic

iencyExampleCouplingEfficiencyADE:0.04.08.012.016.020.0____________________________________________________________________YDE.000000|0.82880.8

1880.76160.66780.55370.4357.000100|0.77460.76570.71350.62760.52260.4137.000200|0.61220.60650.56950.50730

.43000.3482.000300|0.41320.41130.39180.35740.31270.2630.000400|0.24940.24990.24280.22820.20740.1822.000500|0.07290.07570.08080.08620.08980.08

980.5NAPerfectLensYDE(mm.)couplingEfficiency0.00000.00010.00020.00030.00040.00050.00.20.40.60.81.0ADE0.000

000DegADE4.000000DegADE8.000000DegADE12.000000DegADE16.000000DegADE20.000000DegIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›IlluminationAna

lysis:LUMOption•SelectSystems>Illumination•Computestheilluminancedistributionacrossthelastsurface•Canhave

multiple,extendedsources–Sourcescanberectangular,elliptical,spherical,orcylindrical–Sourcescanhavenon-uniformspatialdistributionsan

dnon-uniformangulardistributions•CalculationismadebyMonteCarloraytracing(randomraytracing)–Tracingisindependentofanydefinedfield

s•IlluminationoutputisretainedinmemoryandisaccumulatedacrossmultipleilluminationrunsIntroductiontoCODEVTraining,Fall2003,Slide5

-‹#›IlluminationExamplereceiverplaneparabola250.72MM250.72MM0.0000.01001.00501ParabolawithPointSourc

eirradianceTotalflux0.35450E+01WattsMaxirradiance0.10014E-01Watts/CM^2Minirradiance0.00000E+00Watts/CM^2ParabolawithPointSourceDistance

alongprofileinMMirradiance-150.-100.-50.0.50.100.150.0.0000.0020.0040.0060.0080.010x=0.0y=0.0A=0.0pointsourceIntrod

uctiontoCODEVTraining,Fall2003,Slide5-‹#›BiocularFOVPlot:FOVOption•SelectAnalysis>BiocularFOVPlot•Usedtoplotf

ieldofviewatimagesurfaceasseenfromdifferenteyelocations–Usefulforbiocularsystems,HUDs,etc.•Requiressomechangeofthele

nssetup(moveobjectsurfacetostoplocation,etc.)portionofimageseenbyrighteyeportionofimageseenbylefteye<<IntroductiontoCODEVTraining,Fall200

3,Slide5-‹#›FOVPlottedOutputBIOCULARAZIMUTH/ELEVATION20.00DGFOVseenfromrighteyeFOVseenfromlefteyeOverlapregion(seen

bybotheyes)IntroductiontoCODEVTraining,Fall2003,Slide5-‹#›MultilayerDesignandAnalysis:MULOption•CurrentlynoGUIinputdialogsfor

MUL–Youcanrunitfromcommandlineorfromamacro•Separateoptionwhichoperatesindependentlyofthelensinmemory•Allowsdesign,analysis,andtolerancingofsingl

eormultilayercoatings•Coatingscanbedispersiveorconstantwithwavelength,andcanbeabsorptiveornon-absorptive•Coat

ingscanbesaved(in.MULfiles)andattachedtosurfacesforraytracing(withMLTcommand)–Whenattachingcoatingstosurfaces,coatingthi

cknessvariationscanbemodeledIntroductiontoCODEVTraining,Fall2003,Slide5-‹#›Exampleof7LayerCoatingMULMDATIT'

7Layer1/4Wave'COA0.2502.3GROUP'A'COA0.2501.38COA0.2502.3ENDCOA'A'COA'A'SUB1.52WLG40075010REF550ANG030

45GOMPLRFLGOMEX7Layer1/4WaveWAVELENGTH(NM)REFLECTANCE(UNPOLARIZED)400.450.500.550.600.650.700.750.0.00.20

.40.60.81.0ANGLE=0.000ANGLE=30.000ANGLE=45.000