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Article Dans Une Revue Journal of Modern Optics Année : 2012

Spatially resolved phase objects using Mach–Zehnder interferometry

Résumé

Phase characterization with a good spatial resolution is crucial for focused beams in nonlinear media. The phaseshifting interferometry technique, using the least-squares error criterion for several interferograms, is implemented using a reflective spatial light modulator (SLM). The method provides a convenient calibration for any phase-shift steps. The reliability of the proposed method is checked by direct comparison with results obtained by the Fourier transform method as well as using a previously characterized circular phase object.
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hal-02442888 , version 1 (16-04-2021)

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V. Besse, C. Cassagne, Georges Boudebs. Spatially resolved phase objects using Mach–Zehnder interferometry. Journal of Modern Optics, 2012, 59 (10), pp.887-892. ⟨10.1080/09500340.2012.676097⟩. ⟨hal-02442888⟩

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