Abstract
A method is proposed for improving the accuracy of measuring the wedge angle of transparent plates using a lateral-shear holographic interferometer. Consecutive processing of a pair of interferograms with doubled number of interference fringes leads to reduction of the observational error by a factor of two compared to traditional interferometric methods. Data on the experimental validation of the method are presented.
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Original Russian Text © A.I. But’, A.M. Lyalikov, 2010, published in Optika i Spektroskopiya, 2010, Vol. 109, No. 4, pp. 696–701.
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But’, A.I., Lyalikov, A.M. Improvement of accuracy of interferometric measurement of wedge angle of plates. Opt. Spectrosc. 109, 641–645 (2010). https://doi.org/10.1134/S0030400X10100243
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DOI: https://doi.org/10.1134/S0030400X10100243