Dynamic fringe phase estimation in controllable phase-shifting interferometry by adaptive Wiener filtering

Gurov, I.P., Artem’eva I.A., Kapranova, V.O.

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For Russian citation (Opticheskii Zhurnal):

Гуров И.П., Артемьева И.А., Капранова В.О. Динамическое оценивание фазы в интерферометрии управляемого фазового сдвига методом адаптивной фильтрации Винера// Оптический журнал. 2020. Т. 87. № 5. С. 42–53. http://doi.org/10.17586/1023-5086-2020-87-05-42-53

Gurov I.P., Artem’eva I.A., Kapranova V.O. Dynamic fringe phase estimation in controllable phase-shifting interferometry by adaptive Wiener filtering [in Russian] // Opticheskii Zhurnal. 2020. V. 87. № 5. P. 42–53. http://doi.org/10.17586/1023-5086-2020-87-05-42-53

For citation (Journal of Optical Technology):

I. Gurov, I. Artem’eva, and V. Kapranova, "Dynamic fringe phase estimation in controllable phase-shifting interferometry by adaptive Wiener filtering," Journal of Optical Technology . 87, 284-292 (2020). https://doi.org/10.1364/JOT.87.000284

Abstract:

This paper presents the results of using adaptive Wiener filtering to dynamically estimate the parameters of interferometric signals. It is shown that the interference-fringe parameters, including the phase of the fringes, can be directly computed from the coefficients obtained by an adaptive Wiener filter and the criterion of the minimum error variance. The method considered here introduces no limitations on the number and size of the given phase shifts and makes it possible to determine the actual phase shift. Estimates are given of the errors of the method when observation noise and random deviations of the phase-shift step are present.

Keywords:

optical control, interference band phase, dynamic interference band processing, Wiener filtration

OCIS codes: 070.2025, 120.3180, 120.5050

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