International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2557

Full Length Research Paper

pH effect on thermo-optical response of Er3+-doped silicagel prepared by the sol-gel method

Teresita C. Medrano-Pesqueira1, M. Enrique Alvarez-Ramos1*,  JA Duarte-Moller1, Roberto P. Duarte-Zamorano1, SJ Castillo2 and Luis Efrain Regalado2
  1Departamento de Física. Universidad de Sonora, A.P.1626. Hermosillo, Sonora, 83000, México. 2Departamento de Investigación en Física, Universidad de Sonora, A.P.1626, Hermosillo, Sonora, 83000, México.
Email: [email protected]

  •  Accepted: 11 October 2011
  •  Published: 09 December 2011

Abstract

 

We present results of the study of optical and thermo-optical properties as well as the thermo-gravimetric analysis of SiO2:Er3+ (5% mol) glasses prepared by the sol-gel method at different pH (2, 3, 4 and 5). The thermo-optical characteristics were measured at room temperature under resonant conditions for the Er3+ ions and analyzed in terms of a theoretical model for continuum wave (CW) laser induced thermal lensing under a Gaussian-beam approximation. The thermo-optical properties showed a dependence onthe pH conditions during the synthesis of the SiO2:Er3+ (5% mol.) glasses.

 

Key words: Sol-Gel, Er3+, thermal lens, optical properties.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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