Abstract
The design of diffractive optical elements (DOEs) to generate a desired light intensity distribution has been studied in the realm of diffractive optics. Within the proposed algorithms to perform the design and optimization of DOEs are the iterative Fourier transform algorithms (IFTAs). In this work we are interested in generating a spot array using an IFTA. We propose a modified error-reduction IFTA which allows us to reach a target error with high effciency.
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