CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering
- Autores
- Chiasera, A.; Macchi, Carlos Eugenio; Mariazzi, C.; Valligatla, S.; Lunelli, L.; Pederzolli, C.; Rao, D. N.; Somoza, Alberto Horacio; Brusa, R. S.; Ferrari, M.
- Año de publicación
- 2013
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- GeO2 transparent glass ceramic planar waveguides were fabricated by a RF-sputtering technique and then irradiated by a pulsed CO2 laser. The effects of CO2 laser processing on the optical and structural properties of the waveguides were evaluated by different techniques including m-line, micro-Raman spectroscopy, atomic force microscopy, and positron annihilation spectroscopy. After laser annealing, an increase of the refractive index of approximately 0.04 at 1.5 μm and a decrease of the attenuation coefficient from 0.9 to 0.5 db/cm at 1.5 μm was observed. Raman spectroscopy and microscopy results put in evidence that the system embeds GeO2 nanocrystals and their phase varies with the irradiation time. Moreover, positron annihilation spectroscopy was used to study the depth profiling of the as prepared and laser annealed samples. The obtained results yielded information on the structural changes produced after the irradiation process inside the waveguiding films of approximately 1 μm thickness. In addition, a density value of the amorphous GeO2 samples was evaluated.
Fil: Chiasera, A.. Consiglio Nazionale delle Ricerche. Istituto di Fotonica e Nanotecnologie; Italia
Fil: Macchi, Carlos Eugenio. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Exactas. Instituto de Física de Materiales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tandil. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires; Argentina
Fil: Mariazzi, C.. Università di Trento. Dipartimento di Fisica; Italia
Fil: Valligatla, S.. Consiglio Nazionale delle Ricerche. Istituto di Fotonica e Nanotecnologie; Italia. University of Hyderabad. School of Physics; India. Università di Trento. Dipartimento di Fisica; Italia
Fil: Lunelli, L.. Bruno Kessler Foundation; Italia. National Research Council Institute of Biophysics; Italia
Fil: Pederzolli, C.. Bruno Kessler Foundation; Italia
Fil: Rao, D. N.. University of Hyderabad. School of Physics; India
Fil: Somoza, Alberto Horacio. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Exactas. Instituto de Física de Materiales; Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tandil. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires; Argentina
Fil: Brusa, R. S.. Università di Trento. Dipartimento di Fisica; Italia
Fil: Ferrari, M.. Consiglio Nazionale delle Ricerche. Istituto di Fotonica e Nanotecnologie; Italia - Materia
-
Laser materials processing
Deposition and fabrication
Optical properties
Spectroscopy, Raman
Spectroscopy, condensed matter
Guided waves - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/4610
Ver los metadatos del registro completo
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CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputteringChiasera, A.Macchi, Carlos EugenioMariazzi, C.Valligatla, S.Lunelli, L.Pederzolli, C.Rao, D. N.Somoza, Alberto HoracioBrusa, R. S.Ferrari, M.Laser materials processingDeposition and fabricationOptical propertiesSpectroscopy, RamanSpectroscopy, condensed matterGuided waveshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1GeO2 transparent glass ceramic planar waveguides were fabricated by a RF-sputtering technique and then irradiated by a pulsed CO2 laser. The effects of CO2 laser processing on the optical and structural properties of the waveguides were evaluated by different techniques including m-line, micro-Raman spectroscopy, atomic force microscopy, and positron annihilation spectroscopy. After laser annealing, an increase of the refractive index of approximately 0.04 at 1.5 μm and a decrease of the attenuation coefficient from 0.9 to 0.5 db/cm at 1.5 μm was observed. Raman spectroscopy and microscopy results put in evidence that the system embeds GeO2 nanocrystals and their phase varies with the irradiation time. Moreover, positron annihilation spectroscopy was used to study the depth profiling of the as prepared and laser annealed samples. The obtained results yielded information on the structural changes produced after the irradiation process inside the waveguiding films of approximately 1 μm thickness. In addition, a density value of the amorphous GeO2 samples was evaluated.Fil: Chiasera, A.. Consiglio Nazionale delle Ricerche. Istituto di Fotonica e Nanotecnologie; ItaliaFil: Macchi, Carlos Eugenio. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Exactas. Instituto de Física de Materiales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tandil. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires; ArgentinaFil: Mariazzi, C.. Università di Trento. Dipartimento di Fisica; ItaliaFil: Valligatla, S.. Consiglio Nazionale delle Ricerche. Istituto di Fotonica e Nanotecnologie; Italia. University of Hyderabad. School of Physics; India. Università di Trento. Dipartimento di Fisica; ItaliaFil: Lunelli, L.. Bruno Kessler Foundation; Italia. National Research Council Institute of Biophysics; ItaliaFil: Pederzolli, C.. Bruno Kessler Foundation; ItaliaFil: Rao, D. N.. University of Hyderabad. School of Physics; IndiaFil: Somoza, Alberto Horacio. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Exactas. Instituto de Física de Materiales; Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tandil. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires; ArgentinaFil: Brusa, R. S.. Università di Trento. Dipartimento di Fisica; ItaliaFil: Ferrari, M.. Consiglio Nazionale delle Ricerche. Istituto di Fotonica e Nanotecnologie; ItaliaOptical Society of America2013-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/4610Chiasera, A.; Macchi, Carlos Eugenio; Mariazzi, C.; Valligatla, S.; Lunelli, L.; et al.; CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering; Optical Society of America; Optical Materials Express; 3; 9; 8-2013; 1561-15702159-3930enginfo:eu-repo/semantics/altIdentifier/ark/https://www.osapublishing.org/ome/abstract.cfm?uri=ome-3-9-1561info:eu-repo/semantics/altIdentifier/doi/10.1364/OME.3.001561info:eu-repo/semantics/altIdentifier/issn/2159-3930info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:37:10Zoai:ri.conicet.gov.ar:11336/4610instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:37:11.145CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering |
title |
CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering |
spellingShingle |
CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering Chiasera, A. Laser materials processing Deposition and fabrication Optical properties Spectroscopy, Raman Spectroscopy, condensed matter Guided waves |
title_short |
CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering |
title_full |
CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering |
title_fullStr |
CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering |
title_full_unstemmed |
CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering |
title_sort |
CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering |
dc.creator.none.fl_str_mv |
Chiasera, A. Macchi, Carlos Eugenio Mariazzi, C. Valligatla, S. Lunelli, L. Pederzolli, C. Rao, D. N. Somoza, Alberto Horacio Brusa, R. S. Ferrari, M. |
author |
Chiasera, A. |
author_facet |
Chiasera, A. Macchi, Carlos Eugenio Mariazzi, C. Valligatla, S. Lunelli, L. Pederzolli, C. Rao, D. N. Somoza, Alberto Horacio Brusa, R. S. Ferrari, M. |
author_role |
author |
author2 |
Macchi, Carlos Eugenio Mariazzi, C. Valligatla, S. Lunelli, L. Pederzolli, C. Rao, D. N. Somoza, Alberto Horacio Brusa, R. S. Ferrari, M. |
author2_role |
author author author author author author author author author |
dc.subject.none.fl_str_mv |
Laser materials processing Deposition and fabrication Optical properties Spectroscopy, Raman Spectroscopy, condensed matter Guided waves |
topic |
Laser materials processing Deposition and fabrication Optical properties Spectroscopy, Raman Spectroscopy, condensed matter Guided waves |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
GeO2 transparent glass ceramic planar waveguides were fabricated by a RF-sputtering technique and then irradiated by a pulsed CO2 laser. The effects of CO2 laser processing on the optical and structural properties of the waveguides were evaluated by different techniques including m-line, micro-Raman spectroscopy, atomic force microscopy, and positron annihilation spectroscopy. After laser annealing, an increase of the refractive index of approximately 0.04 at 1.5 μm and a decrease of the attenuation coefficient from 0.9 to 0.5 db/cm at 1.5 μm was observed. Raman spectroscopy and microscopy results put in evidence that the system embeds GeO2 nanocrystals and their phase varies with the irradiation time. Moreover, positron annihilation spectroscopy was used to study the depth profiling of the as prepared and laser annealed samples. The obtained results yielded information on the structural changes produced after the irradiation process inside the waveguiding films of approximately 1 μm thickness. In addition, a density value of the amorphous GeO2 samples was evaluated. Fil: Chiasera, A.. Consiglio Nazionale delle Ricerche. Istituto di Fotonica e Nanotecnologie; Italia Fil: Macchi, Carlos Eugenio. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Exactas. Instituto de Física de Materiales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tandil. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires; Argentina Fil: Mariazzi, C.. Università di Trento. Dipartimento di Fisica; Italia Fil: Valligatla, S.. Consiglio Nazionale delle Ricerche. Istituto di Fotonica e Nanotecnologie; Italia. University of Hyderabad. School of Physics; India. Università di Trento. Dipartimento di Fisica; Italia Fil: Lunelli, L.. Bruno Kessler Foundation; Italia. National Research Council Institute of Biophysics; Italia Fil: Pederzolli, C.. Bruno Kessler Foundation; Italia Fil: Rao, D. N.. University of Hyderabad. School of Physics; India Fil: Somoza, Alberto Horacio. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Exactas. Instituto de Física de Materiales; Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tandil. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires; Argentina Fil: Brusa, R. S.. Università di Trento. Dipartimento di Fisica; Italia Fil: Ferrari, M.. Consiglio Nazionale delle Ricerche. Istituto di Fotonica e Nanotecnologie; Italia |
description |
GeO2 transparent glass ceramic planar waveguides were fabricated by a RF-sputtering technique and then irradiated by a pulsed CO2 laser. The effects of CO2 laser processing on the optical and structural properties of the waveguides were evaluated by different techniques including m-line, micro-Raman spectroscopy, atomic force microscopy, and positron annihilation spectroscopy. After laser annealing, an increase of the refractive index of approximately 0.04 at 1.5 μm and a decrease of the attenuation coefficient from 0.9 to 0.5 db/cm at 1.5 μm was observed. Raman spectroscopy and microscopy results put in evidence that the system embeds GeO2 nanocrystals and their phase varies with the irradiation time. Moreover, positron annihilation spectroscopy was used to study the depth profiling of the as prepared and laser annealed samples. The obtained results yielded information on the structural changes produced after the irradiation process inside the waveguiding films of approximately 1 μm thickness. In addition, a density value of the amorphous GeO2 samples was evaluated. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-08 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/4610 Chiasera, A.; Macchi, Carlos Eugenio; Mariazzi, C.; Valligatla, S.; Lunelli, L.; et al.; CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering; Optical Society of America; Optical Materials Express; 3; 9; 8-2013; 1561-1570 2159-3930 |
url |
http://hdl.handle.net/11336/4610 |
identifier_str_mv |
Chiasera, A.; Macchi, Carlos Eugenio; Mariazzi, C.; Valligatla, S.; Lunelli, L.; et al.; CO2 Laser irradiation of GeO2 planar waveguide fabricated by rf-sputtering; Optical Society of America; Optical Materials Express; 3; 9; 8-2013; 1561-1570 2159-3930 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/ark/https://www.osapublishing.org/ome/abstract.cfm?uri=ome-3-9-1561 info:eu-repo/semantics/altIdentifier/doi/10.1364/OME.3.001561 info:eu-repo/semantics/altIdentifier/issn/2159-3930 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf 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:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844614391586095104 |
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13.070432 |