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Characterization and inhibition of photorefractive optical damage of swift heavy ion irradiation waveguides in LiNbO 3

AuthorsJubera, M.; García Cabañes, A.; Carrascosa, M. ; Olivares Pascual, José; Lüedtke, F.
Issue Date2012
PublisherOptical Society of America
CitationJournal of the Optical Society of America B: Optical Physics 29: 3000-3005 (2012)
AbstractThe photorefractive effect and the corresponding optical damage thresholds of novel LiNbO 3 waveguides fabricated by swift ion irradiation have been investigated. TE- and TM-mode operation have been characterized, and the influence of the beam propagation length analyzed. Optical damage levels similar to those of proton-exchanged waveguides have been found. In order to reduce optical damage, the influence of temperature has been investigated. An increase of more than a factor of 100 in the optical damage threshold has been obtained by moderate heating up to 90°C. The results are briefly discussed under the two-center model for the photorefractive effect in undoped LiNbO 3, and compared with data from other types of LiNbO 3 waveguides. © 2012 Optical Society of America.
Identifiersdoi: 10.1364/JOSAB.29.003000
issn: 0740-3224
Appears in Collections:(CFMAC-IO) Artículos
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