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Evidence of a green luminescence band related to surface flaws in high purity silica glass

hal.structure.identifierCentre d'études scientifiques et techniques d'Aquitaine (CESTA-CEA) [CESTA]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorFOURNIER, Jessica
hal.structure.identifierCentre d'études scientifiques et techniques d'Aquitaine (CESTA-CEA) [CESTA]
dc.contributor.authorNEAUPORT, Jérôme
hal.structure.identifierCentre d'études scientifiques et techniques d'Aquitaine (CESTA-CEA) [CESTA]
dc.contributor.authorGRUA, Pierre
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorFARGIN, Evelyne
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorJUBERA, Veronique
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorTALAGA, David
hal.structure.identifierLaboratoire des Composites Thermostructuraux [LCTS]
dc.contributor.authorJOUANNIGOT, Stéphane
dc.date.issued2010
dc.identifier.issn1094-4087
dc.description.abstractEnUsing luminescence confocal microscopy under 325 nm laser excitation, we explore the populations of defects existing in or at the vicinity of macroscopic surface flaws in fused silica. We report our luminescence results on two types of surface flaws: laser damage and indentation on fused silica polished surfaces. Luminescence cartographies are made to show the spatial distribution of each kind of defect. Three bands, centered at 1.89 eV, 2.75 eV and 2.25 eV are evidenced on laser damage and indentations. The band centered at 2.25 eV was not previously reported in photo luminescence experiments on indentations and pristine silica, for excitation wavelengths of 325 nm or larger. The luminescent objects, expected to be trapped in sub-surface micro-cracks, are possibly involved in the first step of the laser damage mechanism when fused silica is enlightened at 351 nm laser in nanosecond regime.
dc.language.isoen
dc.publisherOptical Society of America - OSA Publishing
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/
dc.title.enEvidence of a green luminescence band related to surface flaws in high purity silica glass
dc.typeArticle de revue
dc.identifier.doi10.1364/OE.18.021557
dc.subject.halPhysique [physics]/Physique [physics]/Optique [physics.optics]
dc.subject.halSciences de l'ingénieur [physics]/Optique / photonique
bordeaux.journalOptics Express
bordeaux.page21557-21566
bordeaux.volume18
bordeaux.issue21
bordeaux.peerReviewedoui
hal.identifiercea-01217071
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//cea-01217071v1
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