Angular spectrum method with correction of anamorphism for numerical reconstruction of digital holograms on tilted planes

Year: 2005

Authors: De Nicola S., Finizio A., Pierattini G., Ferraro P., Alfieri D.

Autors Affiliation: Istituto di Cibernetica “E. Caianiello” del Consiglio Nazionale delle Ricerche,
Via Campi Flegrei 34, 80078 Pozzuoli (Na), Italy; CNR – Istituto Nazionale di Ottica Applicata, Via Campi Flegrei 34, 80078 Pozzuoli (Na), Italy

Abstract: We present a new method for numerically reconstructing digital holograms on tilted planes. The method is based on the angular spectrum of plane waves. Fast Fourier transform algorithm is used twice and coordinate rotation in the Fourier domain enables to reconstruct the object field on the tilted planes. Correction of the anamorphism resulting from the coordinate transformation is performed by suitable interpolation of the spectral data. Experimental results are presented to demonstrate the method for a single-axis rotation. The algorithm is especially useful for tomographic image reconstruction. (c) 2005 Optical Society of America

Journal/Review: OPTICS EXPRESS

Volume: 13 (24)      Pages from: 9935  to: 9940

KeyWords: 3-dimensional Microscopy; Diffraction; Wavelength
DOI: 10.1364/OPEX.13.009935

Citations: 125
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