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

Teresita C. Medrano-Pesqueira, M. Enrique Alvarez-Ramos, J. A. Duarte-Moller, Roberto P. Duarte-Zamorano, S. J. Castillo, Luis Efrain Regalado

Research output: Contribution to journalArticlepeer-review

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 on the pH conditions during the synthesis of the SiO2:Er3+ (5% mol.) glasses. © 2011 Academic Journals.
Original languageAmerican English
Pages (from-to)7428-7434
Number of pages7
JournalInternational Journal of Physical Sciences
DOIs
StatePublished - 9 Dec 2011

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