Volume 70, Number 4, May 2005
|Page(s)||471 - 477|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||13 April 2005|
Holographic scattering in the ultraviolet spectral range in iron-doped lithium niobate
Institut für Experimentalphysik, Universität Wien Boltzmanngasse 5, A-1090 Wien, Austria
2 Institut für Mineralogie, Universität zu Köln Zülpicherstr. 49b, D-50674 Köln, Germany
Corresponding author: email@example.com
Accepted: 22 March 2005
Photo-induced light scattering in iron-doped lithium niobate crystals is investigated at different wavelengths in the near ultraviolet spectral range. We observed a remarkable difference of the angular distribution of scattered light when changing the pump wavelength. These findings can be explained by the spectral dependence of the competing recording mechanisms photovoltaic effect and diffusion. We found that the magnitude of the photovoltaic effect is decreasing from 364 to 334, and diffusion becomes the dominant charge transport mechanism for photorefraction.
PACS: 42.25.Fx – Diffraction and scattering / 42.40.Ht – Hologram recording and readout methods / 42.65.Hw – Phase conjugation; photorefractive and Kerr effects
© EDP Sciences, 2005
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