Phase-shifting digital holography with compensation of aberrations

Sergio De Nicola; Pietro Ferraro; Andrea Finizio; Simonetta Grilli; Riccardo Meucci

doi:10.1117/12.456266

18 February 2002 Phase-shifting digital holography with compensation of aberrations

Sergio De Nicola; Pietro Ferraro; Andrea Finizio; Simonetta Grilli; Riccardo Meucci

Author Affiliations +

Proceedings Volume 4627, Fifth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering; (2002) https://doi.org/10.1117/12.456266
Event: Fifth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, 2001, St. Petersburg, Russian Federation

Abstract

Off-axis holograms recorded with a CCD camera are numerically reconstructed in amplitude by calculating through the Fresnel-Kirchhoff integral. A phase-shifting Mach-Zehnder interferometer is used for recording four- quadrature phase-shifted off-axis holograms. The basic principle of this technique and its experimental verification are described. We show that the application of this algorithm allows for the suppression of the zero order of diffraction and of the twin image and that the contrast of the reconstructed images can be further enhanced by digital compensation of the aberrations introduced by the holographic recording system.

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Sergio De Nicola, Sergio De Nicola, Pietro Ferraro, Pietro Ferraro, Andrea Finizio, Andrea Finizio, Simonetta Grilli, Simonetta Grilli, Riccardo Meucci, Riccardo Meucci, } "Phase-shifting digital holography with compensation of aberrations", Proc. SPIE 4627, Fifth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (18 February 2002); doi: 10.1117/12.456266; https://doi.org/10.1117/12.456266

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