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http://hdl.handle.net/10261/21562
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Costela González, Ángel | - |
dc.contributor.author | Garcia-Moreno, I. | - |
dc.contributor.author | Barroso, J. | - |
dc.contributor.author | Sastre Muñoz, Roberto | - |
dc.date.issued | 1998-01-15 | - |
dc.identifier.citation | Journal of Applied Physics 83(2): 650 (1998) | en_US |
dc.identifier.issn | 0021-8979 | - |
dc.identifier.uri | 10261/21562 | - |
dc.description | 11 pages, 12 figures, 3 tables.-- PACS: 42.70.Hj; 42.55.Rz; 42.55.Mv; 66.20.+d; 78.55.Bq; 78.55.Kz | en_US |
dc.description.abstract | Photophysical parameters and lasing properties of Coumarin 540A dye molecules are studied in solutions of increasing viscosity, from liquid solutions in 1,4-dioxane to solid solutions in poly(methyl methacrylate). The fluorescence quantum yield and lasing efficiencies decrease as the viscosity of the solution increases, reflecting the strong influence of the rigidity of the medium on the radiative processes. The photodegradation mechanisms acting on the fluorophores are analyzed by following the dependence of laser induced fluorescence and laser output on the number of pump laser pulses. The fluorescence redistribution after pattern photobleaching technique is used, and Fick's second law is applied to study the diffusion of dye molecules in the highly viscous polymer solutions. The diffusion coefficients of the dye molecules as a function of the increased viscosity of the medium are determined. | en_US |
dc.description.sponsorship | This work was supported by the Spanish CICYT Project MAT94-0757. | en_US |
dc.language.iso | eng | en_US |
dc.publisher | American Institute of Physics | en_US |
dc.rights | openAccess | en_US |
dc.subject | Dye lasers | en_US |
dc.subject | Performance | en_US |
dc.subject | Rhodamines | en_US |
dc.subject | Viscosity | en_US |
dc.subject | Solid solutions | en_US |
dc.subject | Liquids | en_US |
dc.title | Laser performance of Coumarin 540A dye molecules in polymeric host media with different viscosities: From liquid solution to solid polymer matrix | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1063/1.366755 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1063/1.366755 | en_US |
dc.contributor.funder | Comisión Interministerial de Ciencia y Tecnología, CICYT (España) | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100007273 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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