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21 February 2020 Fast increase of quality of optically reconstructed images in digital holography
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Abstract
Digital holography is technique for registering of 2D- and 3D-scenes characteristics: amplitude or phase images of object, roughness, and etc. Numerical reconstruction allows fast images recovery. However high quality optical reconstruction is not so fast due to the hologram transferring to the spatial light modulator (SLM), hologram digital preprocessing, SLM calibration, and etc. In this work we analyzed possibilities of fast processing of the holograms for increasing of quality of optically reconstructed images. Amplitude type holograms were registered and images were optically reconstructed using phase liquid crystal SLM. Various techniques of improvement of reconstruction quality were used.
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Pavel A. Cheremkhin, Nikolay N. Evtikhiev, Vitaly V. Krasnov, and Vladislav G. Rodin "Fast increase of quality of optically reconstructed images in digital holography", Proc. SPIE 11306, Practical Holography XXXIV: Displays, Materials, and Applications, 113060W (21 February 2020); https://doi.org/10.1117/12.2548306
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