Acta Crystallographica Section A

Foundations of Crystallography

Volume 58, Part 4 (July 2002)

short communications


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Acta Cryst. (2002). A58, 408-409    [ doi:10.1107/S0108767302006700 ]

The Goos-Hänchen effect at Bragg diffraction

K. Tamasaku and T. Ishikawa

Abstract: The strong incident-angle dependence of the phase of complex reflectivity causes a shift of the reflected beam from the geometrically expected path. This effect, known as the Goos-Hänchen effect in the visible region, was observed for Bragg-case diffraction in the hard X-ray region. The shift was found to be in good agreement with the theory.

Keywords: Goos-Hänchen effect.

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