Green Emission of Tellurite Based Glass Containing Erbium Oxide Nanoparticles

Table 5

Integrated areas, dipole line strengths , oscillator strength , and calculated JO intensity parameters of [(TeO₂)_0.70(B₂O₃)_0.30]_0.7(ZnO)_0.30.95(Er₂O₃)_0.05.

Transition			Line strength (×10^−20 cm^2)		Oscillator strengths (×10^−20 cm^2)
(from )	(nm)	(10^−7) cm	Measured	Calculated	Measured	Calculated
	452	5.05	0.051	0.051	0.144	0.144
	489	11.60	0.108	0.066	0.285	0.173
	527	21.97	0.191	0.202	0.473	0.499
	654	25.97	0.180	1.037	0.354	2.039
	800	10.80	0.061	0.075	0.096	0.119
	977	14.71	0.069	0.008	0.091	0.011

Ω₂ = (1.223 ± 0.021) × 10⁻²⁰ cm², Ω₄ = (0.400 ± 0.104) × 10⁻²⁰ cm², Ω₆ = (0.037 ± 0.112) × 10⁻²⁰ cm², and = 0.0537 × 10⁻²⁰ cm².