Image formation in detuned interference-filter-aided in-line Fraunhofer holography.
Detuned interference filters as Fourier processors can be used to enhance the poor fringe contrast often encountered with in-line Fraunhofer holography of small or many far-fields-away micro-objects. The subsequent effect on the reconstructed-image irradiance distribution is described. The modified aperture-limited image shape and size, and the possible consequences on the quantitative analysis are discussed.
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Vikram