Digital hologram off-axis reconstruction [Nehmetallah, Banerjee, 2012] with spatial filtering for zero-order and twin-image elimination. The holograms must have a size in power of 2 (512x512, 1024x1024...).
This plugin provides:
o Fourier domain filtering visualization
o Hologram automatic spatial filtering for the zero-order and twin-image elimination from [Cuche et al. 2000] and [Dong et al., 2019]
o Complex wavefield, intensity, QPI (quantitative phase image) or OPD (optical path difference) image reconstruction
o Phase unwrapping from [Takajo, Takahashi, 1988]
o Background correction derived from [Lelevic et al, 2021]

[Cuche et al., 2000] E. Cuche, P. Marquet, C. Depeursinge. Spatial filtering for zero-order and twin-image elimination in digital off-axis holography. Appl. Opt. 39, 4070-4075 (2000).
[Dong et al., 2019] Z. Dong, H. Wang, X. Wang. Automatic filtering for zero-order and twin-image elimination in off-axis digital holography. Optical Engineering, 58(2), 023112 (2019).
[Lelevic et al, 2021] A. Lelevic, V. Souchon, C. Geantet, C. Lorentz, M. Moreaud. Advanced data preprocessing for comprehensive two-dimensional gas chromatography with vacuum ultraviolet spectroscopy detection. Journal of separation Sciences (2021).
[Nehmetallah, Banerjee, 2012] G. Nehmetallah, P.P. Banerjee. Applications of digital and analog holography in three-dimensional imaging. Advances in Optics and Photonics 4, 472–553 (2012).
[Takajo, Takahashi, 1988] H. Takajo, T. Takahashi. Noniterative Method of Obtaining the Exact Solution for the Normal Equation in Least-Squares Phase Estimation from the Phase Difference. Journal of the Optical Society of America, 5 (1988).




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