Optical damage in chemically reduced LiNbO3 crystals

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Self-compensation of optical damage in reduced nominally pure LiNbO3 crystals

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Optical damage dynamics in reduced nominally pure LiNbO3 crystals

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Kinetics of photorefractive response in reduced nominally pure liNbO3 crystals

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Nonlinear Absorption, Nonlinear Scattering and Optical Limitting in Photorefractive Zirconium-Doped LiNbO3 Crystals

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Optical limiting and speckle of low power continuous wave laser beams using nonlinear scattering in photorefractive Zr: LiNbO 3 crystals

International audienceThe optical limiting caused by nonlinear scattering in the photorefractive Zr-doped LiNbO3 crystals was studied for lower-power laser beams with wavelengths of 514.5 and 532 nm. The measurements of speckle evolution indicate that the samples with 0.625 ≤ [Zr] ≤ 1.25 mol% exhibit the very large gain factor for holographic amplification of noise gratings. Based on the direct measurements of the output power depending on the input one, we conclude that these samples behaved as hard optical limiters for the laser beams with a low incident power. Thus, these crystals find their potential application in the optical limiting devices

Parameters of nonlinear scattering evaluated by open-aperture Z-scan technique in photorefractive LiNbO3 crystals

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