Influence of the reconstruction beam apodization on the phase-imaging accuracy in digital holography

Romuald Jozwicki; Agata Jozwicka; Jarostaw Bartold; Marcin Prytulak

doi:10.1117/12.560588

2 August 2004 Influence of the reconstruction beam apodization on the phase imaging accuracy in digital holography

Romuald Jozwicki, Agata Jozwicka, Jarostaw Bartold, Marcin Prytulak

Proceedings Volume 5531, Interferometry XII: Techniques and Analysis; (2004) https://doi.org/10.1117/12.560588
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

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.

Citation Download Citation

Romuald Jozwicki, Agata Jozwicka, Jarostaw Bartold, and 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); https://doi.org/10.1117/12.560588

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KEYWORDS

Apodization

Holograms

3D image reconstruction

Digital holography

Optical spheres

Image processing

Solids

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