计算机辅助光学设计内容_code_V_S10.ppt

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1、CODEVIntroductorySeminar:Day4Non-SphericalSurfaces&SpecialSurfacePropertiesAfocalSystemsZoomSystemsSection10Non-SphericalSurfaces&SpecialSurfacePropertiesNon-SphericalSurfaceTypesCODE Vhasmanytypesofnon-sphericalsurfacesCONpureConicsection(parabola,ellipse,hyperbola)ASP20thorderpol

2、ynomialAsphereCYLXorYorientedCylinderXTOXtoroid(10thorderasphererotatedaboutx-axis)YTOYtoroid(10thorderasphererotatedabouty-axis)AASAnamorphicAsphere(differentasphereinXZvs.YZplanes)SPLSplinesurface(4points)THGThermalGradient(usuallycomputedinENVoption)MODLensModule(perfectlenssimulati

3、on)SPSXXXfamilyofadditionalSpecialsurfacesUDS/UD2User-Definedsurface(viaFORTRANorCsubroutine)EntryofNon-SphericalSurfaceDataDoubleclickonsurfacetypecellofthesurfacetochooseitstypeChoosethetypefromdropdownlistPropertiesaresetontheSurfaceTypepageofSurfacePropertiesEntryofNon-SphericalData

4、(cont.)Non-sphericaldataareenteredonsurfacetypepageofSurfacePropertieswindowOptimizationvariablesaresetbyrightclickingandchoosingVaryNotetheVforvariableCON-ConicSurfaceEquationused:r2=x2+y2cisvertexcurvaturekisconicconstantConicconstantkk=0sphere-1

5、0oblatesphere(notatrueconicsection)ASP-PolynomialAsphereEquationused:r2=x2+y2cisvertexcurvaturekisconicconstantA,B,C,D,E,F,G,H,JareasphericdeformationcoefficientsIntersectCode(IC)tellsintersectionpointtouseDefaultICYes(intersectionclosesttovertex)CalledIntersectionDirectioninGUIIf

6、CUF(Fresnelcurvature)isnon-zero,asphereisdefinedasaFresnelsurfaceonthespecifiedbasecurvature(calledThinFresneltypeinGUI)FresnelzonesareinfinitesimallysmallForfinitezoneFresnel,useSPSFRS(FresnelPlanarSubstrateinGUI)AsphereExample-CommandInputLENSTIT'ASPHERICSINGLET'!titleEPD15!Entrancepu

7、pildiameterDIMM!DimensionsmmWL632.8!WavelengthinnmYIM00.5!Yimageheights,0and0.5mmS12.38.0SF2!S1(radius,thickness,glass)ASP!PolynomialasphereA-0.197E-4!4thordercoefficientB-0.263E-6!6thordercoefficientS17.629.8PIM!PIM=ParaxialimagesolveGOasphericsurfaceAsphereExample-GUIDisplays