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Proceedings Paper

Wavefront retrieval from lateral shearing interferograms with Fourier techniques
Author(s): Daniel Malacara-Hernandez; Gonzalo Paez; Daniel Malacara-Doblado; Jorge Garcia-Marquez
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Paper Abstract

The wavefront shape can be obtained from lateral shear interferograms even if the lateral shear is large. Many procedures have been devised in the past to achieve this purpose. However, all of them have serious practical restrictions. A method is reported here using a digital analysis of the interferogram in the Fourier space. An alternative iterative method also using Fourier transform techniques is also presented with detail. A comparison of this method with alternative existing procedures is described.

Paper Details

Date Published: 13 August 1999
PDF: 5 pages
Proc. SPIE 3744, Interferometry '99: Techniques and Technologies, (13 August 1999); doi: 10.1117/12.357726
Show Author Affiliations
Daniel Malacara-Hernandez, Ctr. de Investigaciones en Optica (Mexico)
Gonzalo Paez, Ctr. de Investigaciones en Optica (Mexico)
Daniel Malacara-Doblado, Ctr. de Investigaciones en Optica (Mexico)
Jorge Garcia-Marquez, Ctr. de Investigaciones en Optica (Mexico)


Published in SPIE Proceedings Vol. 3744:
Interferometry '99: Techniques and Technologies
Malgorzata Kujawinska; Mitsuo Takeda, Editor(s)

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