Detection of hidden stationary deformations of vibrating surfaces by use of time-averaged digital holographic interferometry (CROSBI ID 107030)
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Demoli, Nazif ; Vukičević, Dalibor
engleski
Detection of hidden stationary deformations of vibrating surfaces by use of time-averaged digital holographic interferometry
A method for detecting displacements of a surface from its steady state position to its equilibrium position while it is vibrating has been developed by use of time-average digital holographic interferometry. This method permits extraction of such a hidden deformation by creating two separated systems of interferogram fringes: one corresponding to a time-varying resonantly oscillating optical phase, the other to the stationary phase modification. A mathematical description of the method and illustrative results of experimental verification are presented.
holography; holographic interferometry; computer holography
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