Tips03

# Tips03 - CODE V Tips#3 for OPTI340 Les Foo...

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Proprietary 1 CODE V Tips #3 for OPTI340 Les Foo [email protected] Optical Research Associates

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Proprietary 2 Defining a Lens Define lens using first- order lens equations Plano-convex lens EFL = 150 Define R1 F = r1[1/(n-1)] – F/number EPD= efl/[f/#] • F/3 ! EPD =? • F/4 ! EPD =? • F/8 ! EPD =? Paraxial Image Solve Insert Surface after S1
Proprietary 3 Setting up the lens PIM solve defined (note grayed box and “S” Image thickness variable (note white box and “V” •Find Marginal ray focus •Find min RMS spot focus

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Proprietary 4 Evaluating lens at different focus positions Paraxial Image Focus – Image position defined via paraxial marginal ray height at image surface = 0 Marginal Image Focus – Image position defined via real marginal ray height at image surface = 0 Minimum RMS spot size – Image position defined by minimizing the RMS spot size Default CODE V merit function
Proprietary 5 Paraxial Focus F=100mm f/3 ORA 08-Feb-07 13.89 MM PIM solve active Image thickness = 0 Paraxial marginal ray height @ image = 0

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