Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Analysis of Phase Error Due to the Azimuth Angle of the Wave Plates in the Shearography Using Wollaston Prism

Wollaston prism을 이용한 스펙클패턴 전단간섭법에 있어서 파장판의 방위각에 의한 위상오차 해석

  • 김수길 (호서대학교 전기정보통신공학부) ;
  • 김기수 (호서대학교 전기정보통신공학부) ;
  • 고명숙 (호서대학교 전기정보통신공학부)
  • Published : 2005.12.31
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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.

본 논문에서는 편광소자를 이용하는 스펙클패턴 전단간섭법(shearography)에서 각각 90도의 위상천이를 가지는 4개의 스펙클 패턴을 얻고, 이로부터 스펙클패턴의 각 지점에서의 위상을 얻을 수 있는 방법을 설명하고, 제안된 방법에 사용되는 파장판의 방위각에 의한 위상오차를 Jones 행렬을 이용하여 분석하였다.

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References

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