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Kolenović E, Kolenović E, Kreis T, et al. Determination of large-scale out-of-plane displacements in digital Fourier holography. Appl Opt. 2007;46(16):3118-25doi: 10.1364/ao.46.003118.
Kolenović, E., Kolenović, E., Kreis, T., von Kopylow, C., & Jüptner, W. (2007). Determination of large-scale out-of-plane displacements in digital Fourier holography. Applied optics, 46(16), 3118-25. https://doi.org/10.1364/ao.46.003118
Kolenović, Ervin, et al. "Determination of large-scale out-of-plane displacements in digital Fourier holography." Applied optics vol. 46,16 (2007): 3118-25. doi: https://doi.org/10.1364/ao.46.003118
Kolenović E, Kolenović E, Kreis T, von Kopylow C, Jüptner W. Determination of large-scale out-of-plane displacements in digital Fourier holography. Appl Opt. 2007 Jun 01;46(16):3118-25. doi: 10.1364/ao.46.003118. PMID: 17514264.
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Appl Opt. 2007 Jun 01;46(16):3118-25. doi: 10.1364/ao.46.003118.

Determination of large-scale out-of-plane displacements in digital Fourier holography.

Applied optics

Ervin Kolenović, Elam Kolenović, Thomas Kreis, Christoph von Kopylow, Werner Jüptner

Affiliations

  1. Bremer Institute für Strahltechnik, Klagenfurter Strasse 2, Bremen, Germany. [email protected]

PMID: 17514264 DOI: 10.1364/ao.46.003118

Abstract

A novel approach for the determination of large-scale out-of-plane displacements from digital Fourier holograms is presented. The proposed method is invariant to lateral object shifts. It is based on the determination of the scaling of the reconstructed image that occurs when the recording distance is changed. For a precise determination of the scaling factor, we utilize the Mellin transform. After the discussion of mathematical and computational issues, experimental results are presented to verify the theoretical considerations. The results show that displacements of at least up to 8.4% from the initial recording distance can be detected with this approach. The displacements could be determined with a deviation of typically less than 1.0% from the set values.

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