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Emission cross-sections and Judd–Ofelt intensity parameters Ωλ (λ = 2, 4, 6) of Er3+ in different glass hosts.
| Glass composition | (10–21 cm2) | Ω2 (10–20 cm2) | Ω4 (10–20 cm2) | Ω6 (10–20 cm2) | References |
|---|---|---|---|---|---|
| 5W | 7.4 | 6.89 | 1.94 | 1 | This work |
| 10W | 7.7 | 8.11 | 2.04 | 1.04 | This work |
| GeO2–Bi2O3 | 7 | 4.5 | 1.6 | 0.7 | 48 |
| GeO2–Bi2O3–PbO | 7 | 4.1 | 1.6 | 0.2 | 9 |
| GeO2–PbO | 6 | 4.1 | 1.6 | 0.5 | 9 |
| Silicate | 4.5 | 5 | 2.1 | 1 | 49 |
| Tellurite | 7.5 | 4.98 | 1.25 | 1.43 | 50 |
| ZBLAN | 5.8 | 2.9 | 1.8 | 1 | 51,52 |
