Investigations demonstrate high shape accuracy and optical quality in beam shaping elements using a novel grinding process chain.
The production of optical free-form surfaces requires a high level of precision and surface quality. The process chain presented combines pre-grinding, fine grinding and ultra-fine grinding using a 5-axis CNC machine in order to achieve high shape accuracy and surface quality. The presented process chain makes it possible to produce free-form surfaces with high geometric precision and optical qualities.
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Henkel et al. (2025) studied this question.
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