Surface ablation of RbTiOPO4 by femtosecond laser

We report here the results obtained in surface ablation of RbTiOPO4 single crystals by femtosecond laser. We fabricated and characterized one-dimensional (1D) diffraction gratings with different lattice spacings of 15 and 20 μm, and with a sub-modulation of the period introduced in the later. The op...

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Detalles Bibliográficos
Autores: Raj Kumar, G., Carvajal, Joan Josep, Pujol, Maria Cinta, Mateos, Xavier, Grau, J., Massons, Jaume, Vázquez de Aldana, Javier R., Méndez, Cruz, Moreno Pedraz, Pablo Manuel, Roso Franco, Luis, Ferré-Borrull, J., Pallarès, J., Marsal, L.F., Aguiló, Magdalena, Díaz, Francesc
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2011
País:España
Institución:Universidad de Salamanca (USAL)
Repositorio:GREDOS. Repositorio Institucional de la Universidad de Salamanca
OAI Identifier:oai:gredos.usal.es:10366/146837
Acceso en línea:http://hdl.handle.net/10366/146837
Access Level:acceso abierto
Palabra clave:Non-linear optical materials
Ultrafast laser ablation
Descripción
Sumario:We report here the results obtained in surface ablation of RbTiOPO4 single crystals by femtosecond laser. We fabricated and characterized one-dimensional (1D) diffraction gratings with different lattice spacings of 15 and 20 μm, and with a sub-modulation of the period introduced in the later. The optical and electronic microscopy characterization and filling factor analysis of these diffraction gratings are reported. We also show that the roughness generated on the grooves by the ablation process can be improved by chemical etching.

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