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J Opt Soc Am A Opt Image Sci Vis. 2008 Oct;25(10):2459-66.

Coherence effects in digital in-line holographic microscopy.

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  • 1Institut für Technische Optik, Universitäat Stuttgart, Pfaffenwaldering 9, Stuttgart, Germany.


We analyze the effects of partial coherence in the image formation of a digital in-line holographic microscope (DIHM). The impulse response is described as a function of cross-spectral density of the light used in the space-frequency domain. Numerical simulation based on the applied model shows that a reduction in coherence of light leads to broadening of the impulse response. This is also validated by results from experiments wherein a DIHM is used to image latex beads using light with different spatial and temporal coherence.

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