Abstract

We investigate the diffraction of volume holograms with spherical wave references and propose a new method to calculate cross-talk noise intensity. It is found that the angular selectivity of a volume hologram with a spherical reference wave is quite close to that with a planar reference beam, but the cross-talk performance with a spherical reference beam is somewhat better than that with a planar reference wave. A phenomenological analytical expression to approximately calculate the normalized diffraction efficiency of a volume hologram with a spherical reference beam is also presented.

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