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J Opt Soc Am A Opt Image Sci Vis. 2008 Mar;25(3):736-41.

Space-bandwidth conditions for efficient phase-shifting digital holographic microscopy.

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Electro Optical Unit, Ben Gurion University of the Negev, Beer-Sheva 84105, Israel.


Microscopy by holographic means is attractive because it permits true three-dimensional (3D) visualization and 3D display of the objects. We investigate the necessary condition on the object size and spatial bandwidth for complete 3D microscopic imaging with phase-shifting digital holography with various common arrangements. The cases for which a Fresnel holographic arrangement is sufficient and those for which object magnification is necessary are defined. Limitations set by digital sensors are analyzed in the Wigner domain. The trade-offs between the various holographic arrangements in terms of conditions on the object size and bandwidth, recording conditions required for complete representation, and complexity are discussed.

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