Improved algorithm for the analysis of holographic interferograms

Juan Antonio Aparicio-Calzada; Jose Luis Molpeceres-Criado; Angel M. de Frutos Baraja; Carlos de Castro; Santiago Caceres; Fernando A Frechoso

doi:10.1117/12.132472

1 May 1993 Improved algorithm for the analysis of holographic interferograms

Juan Antonio Aparicio-Calzada, Jose Luis Molpeceres-Criado, Angel M. de Frutos Baraja, Carlos de Castro, Santiago Caceres, Fernando A Frechoso

Author Affiliations +

Optical Engineering, Vol. 32, Issue 5, (May 1993). https://doi.org/10.1117/12.132472

Abstract

We propose a new technique to calculate the phase distribution over a fringe pattern. A digital processing system is used to digitize and analyze several holographic interferograms. Starting from a well-known tracking algorithm, which has been optimized, interferometric fringes are codified and then, by taking advantage of the intensity distribution over the interferogram, the phase associated with every pixel is calculated. We conclude that this technique can be applied to all kinds of fringe patterns obtained by the different techniques of holographic interferometry.

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Juan Antonio Aparicio-Calzada, Jose Luis Molpeceres-Criado, Angel M. de Frutos Baraja, Carlos de Castro, Santiago Caceres, and Fernando A Frechoso "Improved algorithm for the analysis of holographic interferograms," Optical Engineering 32(5), (1 May 1993). https://doi.org/10.1117/12.132472

Published: 1 May 1993

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