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This paper presents an evaluation of three developed parallel registration algorithms for the reconstruction of optical wavefronts. Two practical use cases are considered including high-quality optics generating (i) a plane and (ii) a divergent wavefront. The wavefronts are measured segment-by-segment with a scanning Shack-Hartmann sensor measurement system and are reconstructed by the algorithms. As a benchmark for the comparison of the registration performance, the well-established iterative closest point (ICP) algorithm is used. Results show that the developed registration algorithms attain a registration precision up to a factor of 10 better than the registration precision of the ICP algorithm.
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Nikolaus Berlakovich, Martin Fuerst, Ernst Csencsics, Georg Schitter, "Reconstruction of optical wavefronts with parallel registration algorithms," Proc. SPIE 12221, Optical Manufacturing and Testing XIV, 122210U (3 October 2022); https://doi.org/10.1117/12.2632961