2 August 2004 Influence of the reconstruction beam apodization on the phase imaging accuracy in digital holography
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Abstract
In digital holography the imaging process consists of physical registration using CCD camera and digital image reconstruction with specialized software. Amplitude gradients of the reconstruction field at the hologram plane influence significantly the phase reconstruction quality. The field truncation by hologram edges is of particular concern. The image reconstruction process can be software repeated several times using various apodization functions. Basing on phase imaging changes introduced by different apodization functions a decrease of phase errors can be achieved for some object types. Basing on the results received from experimental measurements and computer simulations for some object examples the advantages and disadvantages of the proposed method will be presented.
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Romuald Jozwicki, Romuald Jozwicki, Agata Jozwicka, Agata Jozwicka, Jarostaw Bartold, Jarostaw Bartold, Marcin Prytulak, Marcin Prytulak, } "Influence of the reconstruction beam apodization on the phase imaging accuracy in digital holography", Proc. SPIE 5531, Interferometry XII: Techniques and Analysis, (2 August 2004); doi: 10.1117/12.560588; https://doi.org/10.1117/12.560588
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