Nonstability of light scattering by doped lithium niobate crystals

S. V. Ivanova

doi:10.1117/12.752135

27 July 2007 Nonstability of light scattering by doped lithium niobate crystals

S. V. Ivanova

Proceedings Volume 6729, ICONO 2007: Coherent and Nonlinear Optical Phenomena; 67291S (2007) https://doi.org/10.1117/12.752135
Event: The International Conference on Coherent and Nonlinear Optics, 2007, Minsk, Belarus

Abstract

In this work thermal and temporal changes of the light scattering by lithium niobate crystals have been investigated under steady illumination by argon ion laser beam (λ = 514.5 nm) in the temperature range of 20-800°C and have been observed the anomalies on the temperature curves of elastic light scattering intensity near of 100, 200 and 350°C for the nominally pure crystals and near 100 and 200°C for iron doped one if laser beam was directed along the c-axis of crystal. Oscillations of light scattering intensity have been discovered on the screen in far field at room temperature. The period of oscillations dependence on the kind of impurities, concentration and power of illumination. Laser beam in this case was directed perpendicular to c-axis of crystal. Pulsations were spreading along the c-axis. The threshold of power is about of 100 mW.

Citation Download Citation

S. V. Ivanova "Nonstability of light scattering by doped lithium niobate crystals", Proc. SPIE 6729, ICONO 2007: Coherent and Nonlinear Optical Phenomena, 67291S (27 July 2007); https://doi.org/10.1117/12.752135

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