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Phase measuring algorithm for extraction of isochromatics of photoelastic fringe patterns

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Quiroga Mellado, Juan Antonio and González Cano, Agustín (1997) Phase measuring algorithm for extraction of isochromatics of photoelastic fringe patterns. Applied Optics, 36 (32). pp. 8397-8402. ISSN 0003-6935

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Official URL: http://dx.doi.org/10.1364/AO.36.008397


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Abstract

In recent years phase-measuring techniques have been applied to the problem of extracting information of photoelastic data. We present a new phase-measuring algorithm for extraction of the isochromatics of photoelastic fringe patterns. The algorithm permits the extraction of the isochromatic phase with almost no influence from the isoclinics, thus avoiding the usual problems of low-modulation areas associated with isoclinics. The isochromatic phase map obtained with this algorithm is well suited for a full separation of the stress components in a sample. The algorithm can be used with any commercial diffuse-light circular polariscope.


Item Type:Article
Additional Information:

© 1997 Optical Society of America.
We thank Hans Steinbichler of Steinbichler-Optotechnik GmbH and all the people there for their encouragement and technical assistance during the development of this study. Also, we thank Eusebio Bernabeu, director of the Optics Department of Universidad Complutense, for his help and continuous support. This research has been partly supported by a post-doctoral grant from the Ministerio de Educación y Ciencia of Spain.

Uncontrolled Keywords:Photoelasticity, Phase-Measuring Algorithms, Isochromatics
Subjects:Sciences > Physics > Optics
ID Code:23248
Deposited On:21 Oct 2013 07:45
Last Modified:07 Feb 2014 10:59

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