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Method of error analysis for phase-measuring algorithms applied to photoelasticity
Author(s) -
Juan Antonio Quiroga,
Agustı́n González-Cano
Publication year - 1998
Publication title -
applied optics
Language(s) - English
Resource type - Journals
ISSN - 0003-6935
DOI - 10.1364/ao.37.004488
Subject(s) - photoelasticity , phase (matter) , algorithm , matrix (chemical analysis) , optics , error analysis , element (criminal law) , series (stratigraphy) , computer science , phase unwrapping , mathematics , physics , materials science , interferometry , mathematical analysis , paleontology , quantum mechanics , cauchy stress tensor , political science , law , composite material , biology
We present a method of error analysis that can be applied for phase-measuring algorithms applied to photoelasticity. We calculate the contributions to the measurement error of the different elements of a circular polariscope as perturbations of the Jones matrices associated with each element. The Jones matrix of the real polariscope can then be calculated as a sum of the nominal matrix and a series of contributions that depend on the errors associated with each element separately. We apply this method to the analysis of phase-measuring algorithms for the determination of isoclinics and isochromatics, including comparisons with real measurements.

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