[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.4191/KCERS.2003.40.8.725

Fluorine and Heavy Metal Oxide Effects on Spectral Properties of Tm³⁺ in Silicate Glasses

Cho, Doo-Hee (Telecom. Basic Research Lab., Electronic and Telecommunication Research Institute)
Seo, Hong-Seok (Telecom. Basic Research Lab., Electronic and Telecommunication Research Institute)
Park, Bong-Je (Telecom. Basic Research Lab., Electronic and Telecommunication Research Institute)
Park, Yong-Gyu (Telecom. Basic Research Lab., Electronic and Telecommunication Research Institute)

Publication Information

Journal of the Korean Ceramic Society / v.40, no.8, 2003 , pp. 725-729 More about this Journal

Abstract

The fluorine doping along with heavy metal oxides remarkably raised the $^3$ H $_4$ lifetime and the quantum efficiency in Tm $^{3+}$ -doped silicate glasses. 29 mol% of fluorine substitution for oxygen in 70SiO $_2$ -15Pbo-12ZnO-3KO $_{1}$ 2/ glass raised $^3$ H $_4$ lifetime to 193 $mutextrm{s}$ . Refractive indices were raised by heavy metal oxide substitution, but hardly changed by fluorine substitution. The fluorine doping changed the local structure around Tm $^{3+}$ ions, then low energy vibrations related to fluorine are considered to largely reduce the multi-phonon relaxation rates in the oxyfluoride silicate glasses. The $^3$ H $_4$ lifetimes and absorption and emission spectra of Tm $^{3+}$ doped silicate and oxyfluoride silicate glasses are reported, and Judd-Ofelt calculation results are discussed in this paper.

Keywords

Tm; Silicate glass; Fluorine;

Citations & Related Records

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KSCI

Fluorine and Heavy Metal Oxide Effects on Spectral Properties of Tm3+ in Silicate Glasses

Fluorine and Heavy Metal Oxide Effects on Spectral Properties of Tm³⁺ in Silicate Glasses