Journal
APPLIED SCIENCES-BASEL
Volume 10, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/app10103652
Keywords
holography; computer-generated hologram; phase hologram; holographic display; diffractive optics
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Funding
- National Natural Science Foundation of China (NSFC) [61875105]
- National Key RAMP
- D Program of China [2017YFF0106400]
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Featured Application Phase hologram and diffractive optics element optimization with effective convergence and quality reconstruction. Abstract A weighted constraint iterative algorithm is presented to calculate phase holograms with quality reconstruction. The image plane is partitioned into two regions where different constraint strategies are implemented during the iteration process. In the image plane, the signal region is constrained directly according to the amplitude distribution of the target image based on an adaptive strategy, whereas the non-signal region is constrained indirectly by total energy control of the hologram plane based on the energy conservation principle. The weighted constraint strategy can improve the reconstruction quality of the phase holograms by broadening the optimizing space of the iterative algorithm, leading to effective convergence of the iteration process. Finally, numerical and optical experiments have been performed to validate the feasibility of our method.
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