Correlation of the refractive index change at the surface and inside phosphate glass upon femtosecond laser irradiation

[EN] A study of the surface modification induced by single femtosecond laser pulses in phosphate glass has revealed surface swelling at fluences just below the ablation threshold. This behavior is different from that observed in other dielectric materials. Optical micrographs obtained with monochrom...

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Detalles Bibliográficos
Autores: Puerto Garcia, Daniel, Siegel, Jan, Ferrer, Andres, Hernandez-Rueda, Javier, Solis, Javier
Tipo de recurso: artículo
Fecha de publicación:2012
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/28774
Acceso en línea:https://riunet.upv.es/handle/10251/28774
Access Level:acceso abierto
Palabra clave:Ablation thresholds
Bulk glass
Fabry-Perot etalons
Fluences
Low density
Monochromatic light
Optical micrographs
Phosphate glass
Refractive index changes
Surface layers
Surface swelling
Waveguide fabrication
Waveguide writing
Dielectric materials
Refractive index
Ultrafast lasers
Waveguides
Ultrashort pulses
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spelling Correlation of the refractive index change at the surface and inside phosphate glass upon femtosecond laser irradiationPuerto Garcia, DanielSiegel, JanFerrer, AndresHernandez-Rueda, JavierSolis, JavierAblation thresholdsBulk glassFabry-Perot etalonsFluencesLow densityMonochromatic lightOptical micrographsPhosphate glassRefractive index changesSurface layersSurface swellingWaveguide fabricationWaveguide writingDielectric materialsRefractive indexUltrafast lasersWaveguidesUltrashort pulses[EN] A study of the surface modification induced by single femtosecond laser pulses in phosphate glass has revealed surface swelling at fluences just below the ablation threshold. This behavior is different from that observed in other dielectric materials. Optical micrographs obtained with monochromatic light show a pattern of Newton rings within the swollen region whose number scales inversely with the illumination wavelength, acting as a micro Fabry-Perot etalon. The swollen surface layer has lower refractive index than the bulk glass and can reach a maximum thickness of 820 nm. We relate these findings to results obtained during subsurface waveguide writing inside phosphate glass, which also show a refractive index decrease at energies near threshold for waveguide fabrication. We have identified low density free-electron plasma to be the trigger of the refractive index change. © 2012 Optical Society of America.We thank Daniel Jaque from the Fluorescence Imaging Group at the Universidad Autonoma de Madrid for providing access to and helping with the confocal microfluorescence imaging system, as well as for many fruitful discussions. We are also grateful to Susana Marcos and Carlos Dorronsoro from IO-CSIC for providing access and assistance to the OIM. This work has been partially supported by the Spanish TEC 2008-01183 and TEC2011-22422. D. Puerto acknowledges his grant of the Spanish Ministry of Science and Education under TEC 2005-0007 and JCI-2010-07479.Optical Society of AmericaMinisterio de Ciencia e InnovaciónRepositorio Institucional de la Universitat Politècnica de València Riunet20122012-10-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://riunet.upv.es/handle/10251/28774reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valénciainstname:Universitat Politècnica de València (UPV)InglésengMinisterio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 TEC2008-01183 PRODUCCION DE ELEMENTOS FOTONICOS EN SUPERFICIE Y VOLUMEN MEDIANTE ESCRITURA DIRECTA CON FUENTES AVANZADAS DE PULSOS ULTRACORTOSMinisterio de Educación y Ciencia https://doi.org/10.13039/501100008743 TEC2005-00074 PRODUCCION DE GUIAS DE ONDA ACTIVAS EN VIDRIOS FUNCIONALES MEDIANTE ESCRITURA DIRECTA CON PULSOS LASER ULTRACORTOS CON CONTROL DINAMICO DE FASEMinisterio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 TEC2011-22422 ESTRUCTURACION POR LASER DE MATERIALES FOTONICOS MEDIANTE FUENTES DE LUZ CONFORMADAS TEMPORAL Y ESPACIALMENTEMinisterio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 JCI-2010-07479 JCI-2010-07479open accesshttp://purl.org/coar/access_right/c_abf2Reserva de todos los derechoshttp://rightsstatements.org/vocab/InC/1.0/info:eu-repo/semantics/openAccessoai:riunet.upv.es:10251/287742026-06-13T07:49:27Z
dc.title.none.fl_str_mv Correlation of the refractive index change at the surface and inside phosphate glass upon femtosecond laser irradiation
title Correlation of the refractive index change at the surface and inside phosphate glass upon femtosecond laser irradiation
spellingShingle Correlation of the refractive index change at the surface and inside phosphate glass upon femtosecond laser irradiation
Puerto Garcia, Daniel
Ablation thresholds
Bulk glass
Fabry-Perot etalons
Fluences
Low density
Monochromatic light
Optical micrographs
Phosphate glass
Refractive index changes
Surface layers
Surface swelling
Waveguide fabrication
Waveguide writing
Dielectric materials
Refractive index
Ultrafast lasers
Waveguides
Ultrashort pulses
title_short Correlation of the refractive index change at the surface and inside phosphate glass upon femtosecond laser irradiation
title_full Correlation of the refractive index change at the surface and inside phosphate glass upon femtosecond laser irradiation
title_fullStr Correlation of the refractive index change at the surface and inside phosphate glass upon femtosecond laser irradiation
title_full_unstemmed Correlation of the refractive index change at the surface and inside phosphate glass upon femtosecond laser irradiation
title_sort Correlation of the refractive index change at the surface and inside phosphate glass upon femtosecond laser irradiation
dc.creator.none.fl_str_mv Puerto Garcia, Daniel
Siegel, Jan
Ferrer, Andres
Hernandez-Rueda, Javier
Solis, Javier
author Puerto Garcia, Daniel
author_facet Puerto Garcia, Daniel
Siegel, Jan
Ferrer, Andres
Hernandez-Rueda, Javier
Solis, Javier
author_role author
author2 Siegel, Jan
Ferrer, Andres
Hernandez-Rueda, Javier
Solis, Javier
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia e Innovación
Repositorio Institucional de la Universitat Politècnica de València Riunet
dc.subject.none.fl_str_mv Ablation thresholds
Bulk glass
Fabry-Perot etalons
Fluences
Low density
Monochromatic light
Optical micrographs
Phosphate glass
Refractive index changes
Surface layers
Surface swelling
Waveguide fabrication
Waveguide writing
Dielectric materials
Refractive index
Ultrafast lasers
Waveguides
Ultrashort pulses
topic Ablation thresholds
Bulk glass
Fabry-Perot etalons
Fluences
Low density
Monochromatic light
Optical micrographs
Phosphate glass
Refractive index changes
Surface layers
Surface swelling
Waveguide fabrication
Waveguide writing
Dielectric materials
Refractive index
Ultrafast lasers
Waveguides
Ultrashort pulses
description [EN] A study of the surface modification induced by single femtosecond laser pulses in phosphate glass has revealed surface swelling at fluences just below the ablation threshold. This behavior is different from that observed in other dielectric materials. Optical micrographs obtained with monochromatic light show a pattern of Newton rings within the swollen region whose number scales inversely with the illumination wavelength, acting as a micro Fabry-Perot etalon. The swollen surface layer has lower refractive index than the bulk glass and can reach a maximum thickness of 820 nm. We relate these findings to results obtained during subsurface waveguide writing inside phosphate glass, which also show a refractive index decrease at energies near threshold for waveguide fabrication. We have identified low density free-electron plasma to be the trigger of the refractive index change. © 2012 Optical Society of America.
publishDate 2012
dc.date.none.fl_str_mv 2012
2012-10-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://riunet.upv.es/handle/10251/28774
url https://riunet.upv.es/handle/10251/28774
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Ministerio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 TEC2008-01183 PRODUCCION DE ELEMENTOS FOTONICOS EN SUPERFICIE Y VOLUMEN MEDIANTE ESCRITURA DIRECTA CON FUENTES AVANZADAS DE PULSOS ULTRACORTOS
Ministerio de Educación y Ciencia https://doi.org/10.13039/501100008743 TEC2005-00074 PRODUCCION DE GUIAS DE ONDA ACTIVAS EN VIDRIOS FUNCIONALES MEDIANTE ESCRITURA DIRECTA CON PULSOS LASER ULTRACORTOS CON CONTROL DINAMICO DE FASE
Ministerio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 TEC2011-22422 ESTRUCTURACION POR LASER DE MATERIALES FOTONICOS MEDIANTE FUENTES DE LUZ CONFORMADAS TEMPORAL Y ESPACIALMENTE
Ministerio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 JCI-2010-07479 JCI-2010-07479
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reserva de todos los derechos
http://rightsstatements.org/vocab/InC/1.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reserva de todos los derechos
http://rightsstatements.org/vocab/InC/1.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Optical Society of America
publisher.none.fl_str_mv Optical Society of America
dc.source.none.fl_str_mv reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname:Universitat Politècnica de València (UPV)
instname_str Universitat Politècnica de València (UPV)
reponame_str RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
collection RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300719

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