Suppression of the zero-order term in off-axis digital holography through nonlinear filtering

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

doi:10.1364/AO.48.00H186

Suppression of the zero-order term in off-axis digital holography through nonlinear filtering

Nicolas Pavillon^*, Chandra Sekhar Seelamantula, Jonas Kühn, Michael Unser, Christian Depeursinge

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

148 Scopus citations

Abstract

We present experimental validation of a new reconstruction method for off-axis digital holographic microscopy (DHM). This method effectively suppresses the object autocorrelation, namely, the zero-order term, from holographic data, thereby improving the reconstruction bandwidth of complex wavefronts. The algorithm is based on nonlinear filtering and can be applied to standard DHM setups with realistic recording conditions. We study the robustness of the technique under different experimental configurations, and quantitatively demonstrate its enhancement capabilities on phase signals.

Original language	English (US)
Pages (from-to)	H186-H195
Journal	Applied Optics
Volume	48
Issue number	34
DOIs	https://doi.org/10.1364/AO.48.00H186
State	Published - Dec 1 2009
Externally published	Yes

ASJC Scopus subject areas

Engineering (miscellaneous)
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1364/AO.48.00H186

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abstract = "We present experimental validation of a new reconstruction method for off-axis digital holographic microscopy (DHM). This method effectively suppresses the object autocorrelation, namely, the zero-order term, from holographic data, thereby improving the reconstruction bandwidth of complex wavefronts. The algorithm is based on nonlinear filtering and can be applied to standard DHM setups with realistic recording conditions. We study the robustness of the technique under different experimental configurations, and quantitatively demonstrate its enhancement capabilities on phase signals.",

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AU - Seelamantula, Chandra Sekhar

AU - Kühn, Jonas

AU - Unser, Michael

AU - Depeursinge, Christian

PY - 2009/12/1

Y1 - 2009/12/1

N2 - We present experimental validation of a new reconstruction method for off-axis digital holographic microscopy (DHM). This method effectively suppresses the object autocorrelation, namely, the zero-order term, from holographic data, thereby improving the reconstruction bandwidth of complex wavefronts. The algorithm is based on nonlinear filtering and can be applied to standard DHM setups with realistic recording conditions. We study the robustness of the technique under different experimental configurations, and quantitatively demonstrate its enhancement capabilities on phase signals.

AB - We present experimental validation of a new reconstruction method for off-axis digital holographic microscopy (DHM). This method effectively suppresses the object autocorrelation, namely, the zero-order term, from holographic data, thereby improving the reconstruction bandwidth of complex wavefronts. The algorithm is based on nonlinear filtering and can be applied to standard DHM setups with realistic recording conditions. We study the robustness of the technique under different experimental configurations, and quantitatively demonstrate its enhancement capabilities on phase signals.

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Suppression of the zero-order term in off-axis digital holography through nonlinear filtering

Abstract

ASJC Scopus subject areas

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