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http://dx.doi.org/10.5207/JIEIE.2005.19.1.034

Phase Error Analysis in Shearography Using Wave Plates  

Kim, Soo-Gil (호서대학교 전기정보통신공학부)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.19, no.1, 2005 , pp. 34-39 More about this Journal
Abstract
We presented the method to obtain four speckle patterns with relative phase shift of ${\pi}/2$ by passive devices such as wave plate and polarizer, and calculate the phase at each point of the speckle pattern in shearography using Wollaston prism. And, we analyzed the phase error caused by wave plates used in the proposed method by Jones matrix.
Keywords
Shearography; Wollaston prism; Phase-shifting technique; Phase error;
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