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Proceedings Paper

Characterization of planar waveguides fabricated by multiple sol-gel dip-coatings
Author(s): F. Rey-García; C. Gómez-Reino; M. T. Flores-Arias; G. F. De La Fuente; W. Assenmacher; W. Mader; S. Berneschi; S. Pelli; G. Nunzi Conti; G. C. Righini
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Paper Abstract

Planar step-index waveguides of SiO2:TiO2 and ZrO2:CeO2 in multilayer structures were prepared onto commercial glass substrates using a sol-gel technique combined with dip-coating. These coatings were previously optically characterized by Ellipsometry. These glassy coatings were structural characterized by Transmission Electron Microscopy (TEM), Energy Dispersive X-ray analysis and Confocal Microscopy. Thicknesses of 1050 nm and 500 nm and refractive indices of 1.64 and 2.07 for SiO2:TiO2 (70:30) and ZrO2:CeO2 (70:30) waveguides were obtained, respectively, by the analysis of the guided TE and TM modes observed by Dark m-line Spectroscopy. Losses of 1.32 dB/cm and 0.86 dB/cm were respectively measured by a method based on scattered light.

Paper Details

Date Published: 21 October 2011
PDF: 8 pages
Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 80110R (21 October 2011); doi: 10.1117/12.902048
Show Author Affiliations
F. Rey-García, Univ. de Santiago de Compostela (Spain)
C. Gómez-Reino, Univ. de Santiago de Compostela (Spain)
M. T. Flores-Arias, Univ. de Santiago de Compostela (Spain)
G. F. De La Fuente, Univ. de Zaragoza (Spain)
W. Assenmacher, Rheinische Friedrich-Wilhelms-Univ. Bonn (Germany)
W. Mader, Rheinische Friedrich-Wilhelms-Univ. Bonn (Germany)
S. Berneschi, Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi (Italy)
Isituto di Fisica Applicata Nello Carrara, CNR (Italy)
S. Pelli, Isituto di Fisica Applicata Nello Carrara, CNR (Italy)
G. Nunzi Conti, Isituto di Fisica Applicata Nello Carrara, CNR (Italy)
G. C. Righini, Isituto di Fisica Applicata Nello Carrara, CNR (Italy)


Published in SPIE Proceedings Vol. 8011:
22nd Congress of the International Commission for Optics: Light for the Development of the World
Ramón Rodríguez-Vera; Ramón Rodríguez-Vera; Ramón Rodríguez-Vera; Rufino Díaz-Uribe; Rufino Díaz-Uribe; Rufino Díaz-Uribe, Editor(s)

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