Artifact-free reconstruction from off-axis digital holograms through nonlinear filtering

Nicolas Pavillon; Chandra Sekhar Seelamantula; Michael Unser; Christian Depeursinge

doi:10.1117/12.854178

5 May 2010 Artifact-free reconstruction from off-axis digital holograms through nonlinear filtering

Nicolas Pavillon, Chandra Sekhar Seelamantula, Michael Unser, Christian Depeursinge

Proceedings Volume 7723, Optics, Photonics, and Digital Technologies for Multimedia Applications; 77231U (2010) https://doi.org/10.1117/12.854178
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

Abstract

We present experimental investigation of a new reconstruction method for off-axis digital holographic microscopy (DHM). This method effectively suppresses the object auto-correlation, commonly called the zero-order term, from holographic measurements, thereby suppressing the artifacts generated by the intensities of the two beams employed for interference from complex wavefield reconstruction. The algorithm is based on non-linear filtering, and can be applied to standard DHM setups, with realistic recording conditions. We study the applicability of the technique under different experimental configurations, such as topographic images of microscopic specimens or speckle holograms.

Citation Download Citation

Nicolas Pavillon, Chandra Sekhar Seelamantula, Michael Unser, and Christian Depeursinge "Artifact-free reconstruction from off-axis digital holograms through nonlinear filtering", Proc. SPIE 7723, Optics, Photonics, and Digital Technologies for Multimedia Applications, 77231U (5 May 2010); https://doi.org/10.1117/12.854178

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