Table 1 The fitting results of parameters of the double-exponential decays
Monitoring wavelength | Yb3+ concentration (mol%) | τ1 (μs) | A 1 | τ2 (μs) | A 2 | X 2 |
|---|---|---|---|---|---|---|
486 nm (5 F3 → 5I8) | 0 | 23.0494 | 127.162 | 204.1946 | 110.036 | 1.493 |
5 | 6.2807 | 1,731.739 | 68.1584 | 117.146 | 1.521 | |
10 | 6.1677 | 4,114.752 | 82.2261 | 152.536 | 1.397 | |
15 | 5.0831 | 4,341.002 | 49.8707 | 105.941 | 1.558 | |
20 | 5.1521 | 1,799.106 | 34.5770 | 74.643 | 1.500 | |
545 nm (5S2 → 5I8) | 0 | 143.0003 | 2,221.670 | 399.7964 | 2,634.467 | 1.473 |
5 | 106.2121 | 1,454.757 | 378.4078 | 2,065.503 | 1.359 | |
10 | 60.6316 | 2,270.273 | 199.2826 | 885.756 | 1.612 | |
15 | 50.8624 | 2,892.493 | 166.1588 | 1,010.801 | 1.539 | |
20 | 52.5225 | 666.286 | 152.9727 | 282.404 | 1.484 | |
651 nm (5 F5 → 5I8) | 0 | 68.2479 | 1,422.916 | 206.0216 | 472.991 | 1.421 |
5 | 38.4695 | 903.197 | 157.5332 | 307.477 | 1.576 | |
10 | 18.9739 | 650.965 | 87.4463 | 170.137 | 1.496 | |
15 | 14.1099 | 691.857 | 71.4125 | 126.626 | 1.528 | |
20 | 138.514 | 669.904 | 67.1548 | 151.641 | 1.416 |