Accurate phase-shifting digital interferometry
Résumé
In phase-shifting interferometry experiments, the accuracy of the phase shift is a major issue. Many experimental and data analyses are done to cancel phase-shift errors inherent to the modulation techniques used. We propose to remove most of the phase-shift error by recourse to a frequency-shifting method. This approach can be applied to both holography and interferometry. We validate the idea with a holographic experiment.
Domaines
Optique [physics.optics]
Origine : Fichiers produits par l'(les) auteur(s)
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