Abstract

Another method for the interpretation of double-exposure holograms is presented. It is shown that by a filtering procedure carried out in the plane of the real image, fringe patterns can be formed that also give information about the displacement undergone by the surface of the object. An interpretation for those patternis presented fo rsmall out-or plane displacements. presented for small out-of-plane displacements. A method for determining the three orthogonal displacement components for those patterns and the virtual image is outlined.

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