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Conferences > PEMD > 2003 > MCI > 90

Forbidden Raman Scattering in Pure and Doped Lithium Niobate

Enrico Giulotto, Riccardo DeContardi, Francesco Rossella, and Veronica Bermudez

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Abstract

We studied the possible effects of photorefractive activity on Raman scattering in pure, Mg-doped and Fe-doped single crystals of lithium niobate. We found no evidence of such effects in pure and Mg-doped materials. We show that in Fe-doped lithium niobate the build-up of light-induced anisotropic scattering strongly affects the relative intensities of Raman lines in specific experimental geometries. These effects could be used to characterize lithium-niobate-based materials with strong photovoltaic and photorefractive activity.

© 2003 Optical Society of America

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