Abstract
Special features of the optical transmission of lithium niobate crystal samples with surface doping by photorefractive impurities at the wavelength of a helium-neon laser under short-wavelength incoherent background illumination are experimentally investigated and discussed. The possibility of optically controlled thermooptical modulation of the coherent light intensity with characteristic time of a few seconds is demonstrated for samples with surface doping by a combination of iron and copper ions.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 11, pp. 76–80, November, 2006.
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Karpushin, P.A., Kruglov, V.G., Gusev, A.V. et al. Influence of short-wavelength radiation of the visible range on the optical transmission of photorefractive lithium niobate samples. Russ Phys J 49, 1236–1240 (2006). https://doi.org/10.1007/s11182-006-0250-2
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DOI: https://doi.org/10.1007/s11182-006-0250-2