Abstract
Diffractive lenses can be designed using optimization techniques, such as radially symmetric iterative discrete on-axis (RSIDO) encoding. The wavefront quality of such lenses is evaluated using the point spread function and the modulation transfer function. We find that the wavefront quality is highly dependent on the particular merit function used for optimization. It is found that an optimization based on the diffraction efficiency can lead to a significant degradation in wavefront quality. Whereas optimization based on an image-quality merit function does not lead to a strong decrease of diffraction efficiency.
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Schedule a callMore From: Pure and Applied Optics: Journal of the European Optical Society Part A
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