I tried to change the object surface type to grid sag surface and imported the grid surface data, but the surface sag map did not change. When I imported the grid sag data to any other surface, it was displayed normally, so I am a little doubtful whether grid sag surfaces can be used on object surface(surface 0)? If not, is there any other way? I want to analyze the imaging results of a complex target surface after passing through a certain optical system. Can adding a grid phase surface after the object surface achieve my goal? if yes, How to convert the grid sag surface into the required grid phase surface?
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I don’t really understand what you tried to do, perhaps you could clarify exactly what you tried in OpticStudio.
Are you aware of this peculiarity of grid sag files:
If you apply the grid sag to a sequential surface, the extension should be .DAT, but if you apply it to an object, it should be .GRD, the content of the file can remain the same.
Take care,
David
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