Transparent Er3+-activated lead fluorogermanate glass ceramics
Autor(a) principal: | |
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Data de Publicação: | 2003 |
Outros Autores: | , , , , , , , , , |
Tipo de documento: | Artigo de conferência |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1117/12.525851 http://hdl.handle.net/11449/67504 |
Resumo: | Transparent glass ceramics containing β-PbF2:Er 3+ nanocrystals were obtained through appropriate thermal treatments of a glass of molar composition 60PbGeO3-10PbF2-30CdF 2 doped with 0.5 mol% Er3+. Their optical properties, as well as upconversion processes among erbium ions in the glass and glass ceramic matrix were studied. From absorption spectra, Judd-Ofelt parameters and radiative transition rates for several excited levels were calculated. Emission spectra in the visible and NIR regions were collected, and stimulated emission cross sections were obtained by McCumber theory for the 4F 13/2→4I15/2 transition at 1.5 μm. Red and green upconversion emissions were measured in glass and glass ceramics upon excitation at 980 nm; lifetimes were measured in order to assess the upconversion mechanisms. |
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Transparent Er3+-activated lead fluorogermanate glass ceramicsEmission cross sectionFluorogermanate ErbiumGlass ceramicsOptical materialsPhotonicsUpconversionAmplificationCeramic materialsErbiumHeat treatmentLattice vibrationsMeltingNanostructured materialsOptical glassRelaxation processesStimulated emissionX ray diffraction analysisFluorogermanate erbiumMolar compositionRadiative transition ratesTransparent glass ceramics containing β-PbF2:Er 3+ nanocrystals were obtained through appropriate thermal treatments of a glass of molar composition 60PbGeO3-10PbF2-30CdF 2 doped with 0.5 mol% Er3+. Their optical properties, as well as upconversion processes among erbium ions in the glass and glass ceramic matrix were studied. From absorption spectra, Judd-Ofelt parameters and radiative transition rates for several excited levels were calculated. Emission spectra in the visible and NIR regions were collected, and stimulated emission cross sections were obtained by McCumber theory for the 4F 13/2→4I15/2 transition at 1.5 μm. Red and green upconversion emissions were measured in glass and glass ceramics upon excitation at 980 nm; lifetimes were measured in order to assess the upconversion mechanisms.Dipartimento di Fisica INFM Università di Trento, via Sommarive 14, 38050 Povo-TrentoInstituto de Química UNESP, CP 355, 14801-970, Araraquara, SPDipto. Scientifico e Tecnologico Università di Verona, Strada Le Grazie 15, 37134 VeronaCNR Ist. di Fotonica e Nanotecnologie, via Sommarive 14, 38050, Povo-TrentoIst. di Fis. Applicata Nello Carrara, Via Panciatichi 64, 50127 FirenzeInstituto de Química UNESP, CP 355, 14801-970, Araraquara, SPUniversità di TrentoUniversidade Estadual Paulista (Unesp)Università di VeronaIst. di Fotonica e NanotecnologieIst. di Fis. Applicata Nello CarraraRolli, RaffaellaBueno, Luciano A. [UNESP]Ribeiro, Sidney J.L. [UNESP]Messaddeq, Younes [UNESP]Bettinelli, MarcoSpeghini, AdolfoFerrari, MaurizioArmellini, CristinaMontagna, MaurizioRighini, Giancarlo C.Pelli, Stefano2014-05-27T11:20:57Z2014-05-27T11:20:57Z2003-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObject133-134http://dx.doi.org/10.1117/12.525851Proceedings of SPIE - The International Society for Optical Engineering, v. 4829 I, p. 133-134.0277-786Xhttp://hdl.handle.net/11449/6750410.1117/12.5258512-s2.0-23425650512998503841917815Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengProceedings of SPIE - The International Society for Optical Engineeringinfo:eu-repo/semantics/openAccess2021-10-23T21:41:25Zoai:repositorio.unesp.br:11449/67504Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T18:52:03.887474Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Transparent Er3+-activated lead fluorogermanate glass ceramics |
title |
Transparent Er3+-activated lead fluorogermanate glass ceramics |
spellingShingle |
Transparent Er3+-activated lead fluorogermanate glass ceramics Rolli, Raffaella Emission cross section Fluorogermanate Erbium Glass ceramics Optical materials Photonics Upconversion Amplification Ceramic materials Erbium Heat treatment Lattice vibrations Melting Nanostructured materials Optical glass Relaxation processes Stimulated emission X ray diffraction analysis Fluorogermanate erbium Molar composition Radiative transition rates |
title_short |
Transparent Er3+-activated lead fluorogermanate glass ceramics |
title_full |
Transparent Er3+-activated lead fluorogermanate glass ceramics |
title_fullStr |
Transparent Er3+-activated lead fluorogermanate glass ceramics |
title_full_unstemmed |
Transparent Er3+-activated lead fluorogermanate glass ceramics |
title_sort |
Transparent Er3+-activated lead fluorogermanate glass ceramics |
author |
Rolli, Raffaella |
author_facet |
Rolli, Raffaella Bueno, Luciano A. [UNESP] Ribeiro, Sidney J.L. [UNESP] Messaddeq, Younes [UNESP] Bettinelli, Marco Speghini, Adolfo Ferrari, Maurizio Armellini, Cristina Montagna, Maurizio Righini, Giancarlo C. Pelli, Stefano |
author_role |
author |
author2 |
Bueno, Luciano A. [UNESP] Ribeiro, Sidney J.L. [UNESP] Messaddeq, Younes [UNESP] Bettinelli, Marco Speghini, Adolfo Ferrari, Maurizio Armellini, Cristina Montagna, Maurizio Righini, Giancarlo C. Pelli, Stefano |
author2_role |
author author author author author author author author author author |
dc.contributor.none.fl_str_mv |
Università di Trento Universidade Estadual Paulista (Unesp) Università di Verona Ist. di Fotonica e Nanotecnologie Ist. di Fis. Applicata Nello Carrara |
dc.contributor.author.fl_str_mv |
Rolli, Raffaella Bueno, Luciano A. [UNESP] Ribeiro, Sidney J.L. [UNESP] Messaddeq, Younes [UNESP] Bettinelli, Marco Speghini, Adolfo Ferrari, Maurizio Armellini, Cristina Montagna, Maurizio Righini, Giancarlo C. Pelli, Stefano |
dc.subject.por.fl_str_mv |
Emission cross section Fluorogermanate Erbium Glass ceramics Optical materials Photonics Upconversion Amplification Ceramic materials Erbium Heat treatment Lattice vibrations Melting Nanostructured materials Optical glass Relaxation processes Stimulated emission X ray diffraction analysis Fluorogermanate erbium Molar composition Radiative transition rates |
topic |
Emission cross section Fluorogermanate Erbium Glass ceramics Optical materials Photonics Upconversion Amplification Ceramic materials Erbium Heat treatment Lattice vibrations Melting Nanostructured materials Optical glass Relaxation processes Stimulated emission X ray diffraction analysis Fluorogermanate erbium Molar composition Radiative transition rates |
description |
Transparent glass ceramics containing β-PbF2:Er 3+ nanocrystals were obtained through appropriate thermal treatments of a glass of molar composition 60PbGeO3-10PbF2-30CdF 2 doped with 0.5 mol% Er3+. Their optical properties, as well as upconversion processes among erbium ions in the glass and glass ceramic matrix were studied. From absorption spectra, Judd-Ofelt parameters and radiative transition rates for several excited levels were calculated. Emission spectra in the visible and NIR regions were collected, and stimulated emission cross sections were obtained by McCumber theory for the 4F 13/2→4I15/2 transition at 1.5 μm. Red and green upconversion emissions were measured in glass and glass ceramics upon excitation at 980 nm; lifetimes were measured in order to assess the upconversion mechanisms. |
publishDate |
2003 |
dc.date.none.fl_str_mv |
2003-12-01 2014-05-27T11:20:57Z 2014-05-27T11:20:57Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/conferenceObject |
format |
conferenceObject |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1117/12.525851 Proceedings of SPIE - The International Society for Optical Engineering, v. 4829 I, p. 133-134. 0277-786X http://hdl.handle.net/11449/67504 10.1117/12.525851 2-s2.0-2342565051 2998503841917815 |
url |
http://dx.doi.org/10.1117/12.525851 http://hdl.handle.net/11449/67504 |
identifier_str_mv |
Proceedings of SPIE - The International Society for Optical Engineering, v. 4829 I, p. 133-134. 0277-786X 10.1117/12.525851 2-s2.0-2342565051 2998503841917815 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Proceedings of SPIE - The International Society for Optical Engineering |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
133-134 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128992495009792 |