Table 2 The calculated absorption line strength (Sed), calculated predicted spontaneous transition probability (A), radiative lifetime (τrad) and branching ratio (β) of 50 T-7Er glass.
Transition | λ(nm) | Sed(10−20 cm2) | A(s−1) | β(%) | τrad(ms) | |
|---|---|---|---|---|---|---|
4I13/2→ | 4I15/2 | 1530 | 1.89 | 187.29 | 100 | 5.34 |
4I11/2→ | 4I15/2 | 977 | 0.61 | 192.52 | 82.81 | 4.30 |
→ | 4I13/2 | 2703 | 1.66 | 39.97 | 17.19 | |
4I9/2→ | 4I15/2 | 798 | 0.26 | 181.55 | 73.17 | 4.03 |
→ | 4I13/2 | 1667.95 | 0.82 | 62.16 | 25.06 | |
→ | 4I11/2 | 4355.56 | 0.26 | 4.40 | 1.77 | |
4F9/2→ | 4I15/2 | 651 | 1.29 | 1649.69 | 71.21 | 0.43 |
→ | 4I13/2 | 1133.14 | 2.36 | 571.60 | 24.67 | |
→ | 4I11/2 | 1951.00 | 1.88 | 88.90 | 3.84 | |
→ | 4I9/2 | 3534 | 0.81 | 6.44 | 0.28 | |
4S3/2→ | 4I15/2 | 543 | 0.25 | 1360.42 | 66.47 | 0.49 |
→ | 4I13/2 | 841.73 | 0.39 | 571.86 | 27.94 | |
→ | 4I11/2 | 1222.34 | 0.89 | 42.79 | 2.09 | |
→ | 4I9/2 | 1699.27 | 0.40 | 71.52 | 3.49 | |
