4/2/2024 0 Comments Zemax merit functions![]() In this case, the irradiance integration is different.įor input Gaussian profile, the contained power in a 1-D variable slit is: Very often people need a 1-D flat-top, e.g., flat-top on X-axis and Gaussian on Y-axis. Using this formula, the macro file for generating merit function can be simplified. This formula is better suited for Zemax because both X N and A are the Zemax direct parameters. Where X N is the normalized coordinate and A is the system apodization factor. Let R EP be the radius of the entrance pupil, then This is a ray mapping formula to get the output coordinate value S for every input coordinate X.įor Zemax, this formula can be written in another form. If the input Gaussian profile has the 1/ e 2 radius of W, the output flat-top has the half-width of K, then the Zemax KB article gives: This post (A) gives another analytic form and (B) examines the 1-D situation. Zemax Knowledge Base gives a design method to convert Gaussian irradiance profile to flat top profile (see reference ).
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