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Microscaled design of the linear and non-linear optical properties of tantalum germanate glasses by thermal poling

hal.structure.identifierFederal University of Alfenas
dc.contributor.authorPOIRIER, Gael
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorKARAM, Lara
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorRODRIGUEZ, Vincent
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorADAMIETZ, Frédéric
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCARDINAL, Thierry
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorEVELYNE, Fargin
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorDUSSAUZE, Marc
dc.date.issued2022
dc.identifier.issn2050-7526
dc.description.abstractEnSodium tantalum germanate glasses were thermally poled using microstructured metallic anodes of two distinct geometries. The topological, structural and optical characterization studies of micro-imprinted structures revealed an accurate reproducibility of the electrode patterns on the glass surface with strong edge effects between the poled and unpoled areas. Spatial reliefs of 100 nm depth were achieved and associated with glass network rearrangements due to sodium departure in the conductive anodic patterns. Second harmonic signals originating from both longitudinal and in-plane static electric fields were identified mainly near the borders of imprinted structures and related to a specific charge distribution model. Spatially controlled positive refractive index changes around 7 to 9 × 10−3 could be induced, opening opportunities for microscaled active optical devices operating in the middle infrared region.
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.title.enMicroscaled design of the linear and non-linear optical properties of tantalum germanate glasses by thermal poling
dc.typeArticle de revue
dc.identifier.doi10.1039/D2TC01634F
dc.subject.halChimie/Matériaux
dc.description.sponsorshipEuropeCentre for functional and surface-functionalized glasses
bordeaux.journalJournal of Materials Chemistry C
bordeaux.page10310-10319
bordeaux.volume10
bordeaux.issue28
bordeaux.peerReviewedoui
hal.identifierhal-03842717
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03842717v1
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