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Metrological analysis of shearography*

  • F. Taillade (a1)

Abstract

This paper presents an uncertainty budget of measurement on the optical phase on the basis of a metrological analysis inspired from the “GUM” approach [GUM, Guide to the expression of Uncertainty in Measurement (ISBN 92-67-20188-9, 1993)]. This budget takes account of the procedure implemented in calibrating the phase-shifting device and in the actual phase measurement. This study leads to deriving an estimation of the standard uncertainty in measuring the optical path difference at approximately $\lambda/98$ . This value agrees with a purely experimental estimate [F. Taillade, Association de la shearographie et des ondes de Lamb pour la détection rapide et quantitative des délaminages, Ph.D. thesis, Technical Note ONERA, NT 2001-3, 2001], which led to a standard uncertainty of roughly $\lambda/108$ .

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This paper has been presented at “3e colloque interdisciplinaire en instrumentation (C2I 2004)”, École Normale Supérieure de Cachan, 29–30 janvier 2004.

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[1] GUM, Guide to the expression of Uncertainty in Measurement (ISBN 92-67-20188-9, 1993)
[2] Leendertz, J., Butters, J., J. Phys. E: Sci. Instrum. 6, 1107 (1973)
[3] Hung, Y.Y., Appl. Optics 18, 1046 (1979)
[4] Hung, Y.Y., J. Nondestruct. Eval. 8, 55 (1989)
[5] Hung, Y.Y., Opt. Commun. 11, 132 (1974)
[6] K. Creath, Phase shifting holography interferometry, edited by P.K. Rastogi, Holographic interferometric, 68 (Springer Series in Optical Science, 1994), pp. 109–150
[7] R.J. Pryputniewicz, Phase shifting holography interferometry, edited by P.K. Rastogi, Holographic interferometric, 68 (Springer Series in Optical Science, 1994), pp. 33–74
[8] Jambunathan, K. et al., Opt. Laser Technol. 27, 145 (1995)
[9] J.V. Beck, Parameter estimation in engineering and science (John Wiley and Sons, 1976)
[10] F. Taillade, Association de la shearographie et des ondes de Lamb pour la détection rapide et quantitative des délaminages, Ph.D. thesis, Technical Note ONERA, NT 2001-3 (2001)

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Metrological analysis of shearography*

  • F. Taillade (a1)

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