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Optica Publishing Group
  • Journal of the Optical Society of Korea
  • Vol. 8,
  • Issue 3,
  • pp. 122-126
  • (2004)

Polarization Phase-shifting Technique in Shearographic System with a Wollaston Prism

Open Access Open Access

Abstract

The method to obtain four speckle patterns with relative phase shift of <TEX>${\pi}/2$</TEX> by passive devices such as two waveplates and a linear polarizer, awl to calculate the phase at each point of the speckle pattern in shearography with a Wollaston prism is presented, and the feasibility of the proposed method is theoretically demonstrated by Jones vector.

© 2004 Optical Society of Korea

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