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|Title:||Photorefractive response and optical damage of LiNbO3 optical waveguides produced by swift heavy ion irradiation|
|Authors:||Villarroel, J., Carrascosa, M., García Cabañes, A., Caballero-Calero, Olga, Crespillo, M.L, Olivares, José|
|Abstract:||The photorefractive behaviour of a novel type of optical waveguides fabricated in LiNbO3 by swift heavy ion irradiation is investigated. First, the electro-optic coefficient r 33 of these guides that is crucial in the photorefractive effect is measured. Second, two complementary aspects of the photorefractive response are studied: (i) recording and light-induced and dark erasure of holographic gratings; (ii) optical beam degradation in single-beam configuration. The main photorefractive parameters, recording and erasing time constants, maximum refractive-index change and optical damage thresholds are determined. © 2009 Springer-Verlag.|
|Citation:||Applied Physics B: Lasers and Optics 95: 429- 433 (2009)|
|Appears in Collections:||(CFMAC-IO) Artículos|
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