, Volume 98, Issue 6, pp 913-918

Static holographic phase conjugation of vortex beams

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Phase conjugation of singular (vortex) beams is performed using a static nonlinearly recorded hologram. The diagnostics of phase-conjugate optical vortices is carried out by an original method based on the Young model of diffraction phenomena. It is shown that a phase-conjugate vortex is characterized by the same topological charge as a vortex inverted by degenerate four wave mixing, differing in sign from a vortex reflected by an ordinary mirror.

Translated from Optika i Spektroskopiya, Vol. 98, No. 6, 2005, pp. 996–1001.
Original Russian Text Copyright © 2005 by Polyanski \(\overset{\lower0.5em\hbox{\(\smash{\scriptscriptstyle\smile}\)}}{l}\) , Fel’de.