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Fractional Fourier transform method of chirped fringe pattern analysis for profilometry

Alberto Patiño-Vanegas, Hernando Altamar-Mercado, and Rafael Torres

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Abstract

A method is proposed to obtain the 3D profile of an object or the shape of a wavefront. The analysis of linearly chirped cosenoidal fringes is performed in the fractional Fourier domain.

© 2020 The Author(s)

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