Accurate phase-shifting digital interferometry.


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… (More)

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@article{Atlan2007AccuratePD, title={Accurate phase-shifting digital interferometry.}, author={Michael Atlan and M. Gross and Emmanuelle Absil}, journal={Optics letters}, year={2007}, volume={32 11}, pages={1456-8} }