Hello, thank you as always.
question For non-rotationally symmetrical systems, how can I deal with the problem of incorrect plotting of longitudinal aberrations?
Perhaps it is necessary to use a macro to create a vertical aberration drawing macro that corresponds to the upper and lower pupil coordinates. If there is another method, or the flow (hint) of this method, could you tell me?
Thank you.
This a a good question. Aberration theory is really based around rotational systems. You can force it to cover biconic systems with different x and y powers, but for a general non- rotationally system I’m not aware of a general treatment. If you really want to use an aberration approach, I think you’ be forced to come up with the equivalent of a paraxial mode of the lens and then define aberrations relative to it.
But, in my own view, why bother? Just trace real rays through the system, and target real quantities like RMS spot, wavefront or contrast. There’s no need to use aberrations to provide a starting point anymore.
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