Ultrafast farfield simulation of non-paraxial computer generated holograms

Ultrafast farfield simulation of non-paraxial computer generated holograms

The simulation of large-area diffractive optical elements (DOEs) is challenging when non-paraxial propagation and coupling effects between neighboring structures shall be considered. We developed a novel method for the farfield simulation of DOEs, especially computer-generated holograms (CGHs) with...

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Veröffentlicht in:Optics express 2022-04, Vol.30 (8), p.13765-13775
Hauptverfasser: Linss, Sebastian, Michaelis, Dirk, Zeitner, Uwe D
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container_title Optics express
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creator Linss, Sebastian
Michaelis, Dirk
Zeitner, Uwe D
description The simulation of large-area diffractive optical elements (DOEs) is challenging when non-paraxial propagation and coupling effects between neighboring structures shall be considered. We developed a novel method for the farfield simulation of DOEs, especially computer-generated holograms (CGHs) with lateral feature sizes in the wavelength range. It uses a machine learning approach to predict the optical function based on geometry parameters. Therefore, training data are calculated by physical simulation methods to create a linear regression model. With the trained model a very fast computation of the farfield is possible with high conformity to results of rigorous methods.
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title Ultrafast farfield simulation of non-paraxial computer generated holograms
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