Hello Mark. Thanks for the information. The videos are really helpfull to understand important concepts.The landscape derivative and where do you start? are the most interesting regarding my topic. According with your comment, there is two ways to create such system, but which is better? I tried starting with an imaging system, but I could not increase the aperture (The image is in reality a LED and I need at least 45º of angular aperture for each image point, every time I open the aperture the image get really bad. Later I switch the system creating a projections system, as you mention controling the Image size, but now the problem is I can not improve the resolution to the desired value (the surfaces creates can not be downloaded also, I do not know why). attached there are images of the two systems. I feel I am closer to the solution but also lost. I do not know if I am doing something wrong or the bad resolution is due to the system itself. Is there documentation in paper talking
Just to clarify, when I said nonsense surfaces I meant surfaces corrupted, which are not allowed to be exported.
Hello Allie, Thanks a lot for your comment. It was a great help. I have retaked this study again and now I am lost trying to built a truefreeform surface to perform the output of the lens (the entry surface is a given surface) , but I can not do it well, every try to optimize the merit function, the trufreeform is nonsense, even using GOPT to control de grip. Where can I find more information about how to use truefreeform surfaces? I have seen 'Using the TrueFreeForm surface for grid based freeform optimization' but there is no complete explanation about how to use it or to avoid this nonsense surfaces. Thanks a lot.
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