2021-04-122003-01-010277786X1996756XWOS;000188036900152SCOPUS;2-s2.0-2342586681http://hdl.handle.net/10784/27959In this paper a soap film is characterized by using a speckle interferometer. The arrangement consists of a double-exposure specklegram obtained through a double-aperture system, by introducing a wedge in front of one aperture in one exposure. It is assumed that a uniform displacement of the diffuser is produced between exposures. The average intensity distribution and the changes experimented by the interferometric fringe visibility in the Fourier plane due to the introduction of a soap film in each exposure are analyzed.enghttps://v2.sherpa.ac.uk/id/publication/issn/0277-786Xinfo:eu-repo/semantics/conferencePaperAlgorithmsComputer simulationDiffractionFast Fourier transformsFilmsInterferometersLaser beamsLight transmissionSoaps (detergents)Correlation fringesInterferometric fringesSoap film analysisSpeckle interferometersSpeckle2021-04-12Tebaldi, M.Ángel, L.Trivi, M.Bolognini, N.10.1117/12.524882