[en] An alternative algorithm for the computation of diffraction (Fourier) integrals is described. Its computation time is comparable with the computation time of an FFT-algorithm combined with zero-framing. On the other hand it allows a free choice of resolution, as in numerical integration. The features of this algorithm are illustrated on the calculation of a PSF of an aberrated lens.
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Bibliography
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Rabiner, Gold Theory and applications of digital signal processing, Prentice-Hall, New Jersey; 1975.
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Allebach, Gallagher, Liu Appl. Optics 1976, 15:2183.
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Jennison, Allebach (1989) Analysis of the leakage from computer-generated holograms synthesized by direct binary search. Journal of the Optical Society of America A 6:234.
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