Journal
APPLIED OPTICS
Volume 60, Issue 2, Pages 224-231Publisher
Optica Publishing Group
DOI: 10.1364/AO.408402
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Funding
- Agencia Nacional de Promocion Cientifica y Tecnologica [2018-04558]
- Universidad Nacional de La Plata [11/I215]
- Consejo Nacional de Investigaciones Cientificas y Tecnicas [0849/16]
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In this work, a mixed complex and phase only constraint was introduced to the Gerchberg-Saxton (G-S) algorithm, leading to improvements in the generation of holograms from multiplane light field distributions. The optimal weight factor for the complex and phase only part of a light field in every plane was determined for best accuracy. This approach was also demonstrated to generate encrypted holograms that can only be reconstructed by illumination with a determined phase profile, enabling secure, high-quality multiplane projection and display.
In this work, we introduce a mixed complex and phase only constraint to the Gerchberg-Saxton (G-S) algorithm, leading to improvements in the generation of holograms from multiplane light field distributions. To achieve this, we determine the optimal weight factor for the complex and phase only part of a light field in every plane to achieve the best accuracy. We also demonstrate how this approach can be used to generate encrypted holograms that can only be reconstructed by illumination with a determined phase profile. In this way, we enable the possibility for secure, high-quality multiplane projection and display. We show numerical results for the generation of standard and encrypted seven-plane holograms, as well as the comparison with the conventional G-S algorithm. (C) 2021 Optical Society of America
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