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Université de Neuchâtel

High-resolution measurement of phase singularities produced by computer-generated holograms

Rockstuhl, Carsten ; Ivanovskyy, Andrey Albert ; Soskin, Marat Samuil ; Salt, Martin Guy ; Herzig, Hans-Peter ; Dändliker, René

In: Optics Communications, 2004, vol. 242, no. 1-3, p. 163-169

We present measurements of the intensity as well as the phase distribution in the various diffraction orders of computer-generated holograms designed to generate a higher order Gauss–Laguerre beam. For the direct measurement of the phase distribution in the diffraction orders a high-resolution interferometer is used, which allows access to a lateral length scale for the localization of phase...