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http://dx.doi.org/10.5207/JIEIE.2005.19.8.001

Analysis of Phase Error Due to the Azimuth Angle of the Wave Plates in the Shearography Using Wollaston Prism  

Kim, Soo-Gil (호서대학교 전기정보통신공학부)
Kim, Ki-Soo (호서대학교 전기정보통신공학부)
Ko, Myung-Sook (호서대학교 전기정보통신공학부)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.19, no.8, 2005 , pp. 1-7 More about this Journal
Abstract
We introduced the method to obtain four speckle patterns with relative phase shift of ${\pi}/2$ by the polarizing elements, and calculate the phase at each point of the speckle pattern in shearography using Wollaston prism and polarizing elements. Ant we analyzed the phase error caused by the azimuth angles of wave plates used in the proposed method by Jones matrix.
Keywords
Shearography; Wollaston prism; Phase-shifting technique; Phase error; Azimuth angle;
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