Abstract
A method for measuring a phase difference between two interfering wavefronts on the basis of analyzing the trajectories that are formed by the intensities of pairs of points in a series of interferograms with different phase shifts is proposed. This method does not require a priori knowledge of the actual values of phase shifts.
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Original Russian Text © V.I. Guzhov, S.P. Il’yinykh, I.A. Sazhin, E.N. Denezhkin, E.S. Kabak, D.S. Khaidukov, 2015, published in Avtometriya, 2015, Vol. 51, No. 3, pp. 80–86.
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Guzhov, V.I., Il’yinykh, S.P., Sazhin, I.A. et al. Quasiheterodyne method of interference measurements. Optoelectron.Instrument.Proc. 51, 280–286 (2015). https://doi.org/10.3103/S8756699015030103
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DOI: https://doi.org/10.3103/S8756699015030103