Solid State Science and Technology, Vol. 16, No 1 (2008) 29-36

ISSN 0128-7389

Corresponding Author: ramliari@yahoo.com

29

 

OPTICAL ABSORPTION SPECTRUM AND JUDD-OFELT ANALYSIS STUDY

OF Eu3+ DOPED ZINC OXYCHLORIDE TELLURITE GLASSES.

 

Ramli bin Arifin and Md. Rahim bin Sahar

Department of Physics, Faculty of Science, Universiti Teknologi Malaysia

Skudai 81310 Johor Bahru, Johor.

 

ABSTRACT

A series of glass samples in the TeO2 - ZnO - ZnCl2 - Li2O - Eu2O3 glass system has

been successfully made by the melt quenching technique. The density, the refractive

index, the optical absorption, the Judd-Ofelt parameters and the spontaneous transition

probabilities have been determined. Judd-Ofelt analysis was performed for the glass

system to evaluate the spontaneous emission probability as well as the quality factor

(Q), branching ratio (Ô) and radiative lifetime (rad). The variation of Judd-Ofelt

parameters (Ω2, Ω4 and Ω6) were analyzed as a function of ZnCl2 concentration. It was

found that the Ω2, Ω4 , Ω6, Q and ˘rad increase with ZnCl2 concentration.

 

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