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Ultraviolet nanosecond laser-assisted micro-modifications in lithium niobate monitored by Nd |
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| Authors: | A. Ródenas D. Jaque C. Molpeceres S. Lauzurica J.L. Ocaña G.A. Torchia F. Agulló-Rueda |
| Affiliation: | (1) Grupo de Espectroscopia Láser GIEL, Departamento de Física de los Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain;(2) Edificio Tecnológico “La Arboleda”, Centro Láser U.P.M., Campus Sur U.P.M., Carretera de Valencia km. 7,300, 28031 Madrid, Spain;(3) Grupo de óptica, Departamento de Física Aplicada, Facultad de Ciencias Físicas, Universidad de Salamanca, Plaza de la Merced s/n, 37008 Salamanca, Spain;(4) Instituto de Ciencia de Materiales de Madrid (CSIC), Cantoblanco, 28049 Madrid, Spain |
| Abstract: | This work reports on the microstructural modifications produced by nanosecond ultraviolet ablation in neodymium doped lithium niobate crystals. The neodymium ions have been used as optical probes to determine the extension and nature of the modified bulk material. From micro-luminescence experiments we have been able to determine the spatial distribution of the UV ablation induced material densification, local disorder and defect creation. Results have been compared to those previously obtained from femtosecond irradiated lithium niobate crystals. PACS 42.55.Rz; 42.62.Fi; 42.70.-a |
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