Analysis of holographic fringe data using the dual reference approach

David P. Towers; John T. Judge; Peter John Bryanston-Cross

doi:10.1117/12.55810

1 April 1991 Analysis of holographic fringe data using the dual reference approach

David P. Towers, John T. Judge, Peter John Bryanston-Cross

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Optical Engineering, Vol. 30, Issue 4, (April 1991). https://doi.org/10.1117/12.55810

Abstract

A new method for extracting quantitative information from a double exposure holographic interferogram is presented. Dual reference beams are used to produce continuously variable phase differences between the two images of the object at the recording stage of the hologram. Image reconstruction at three known phase differences, via a CCD camera and digital framestore, allow new automatic image processing methods to calculate the three-dimensional surface deformation.

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David P. Towers, John T. Judge, and Peter John Bryanston-Cross "Analysis of holographic fringe data using the dual reference approach," Optical Engineering 30(4), (1 April 1991). https://doi.org/10.1117/12.55810

Published: 1 April 1991

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