Ytterbium doped fiber | YDF-DC-6/125 |
Core diameter, µm | 6.0 ± 0.5 |
Clad diameter, µm | 125 ± 3 |
Clad shape | octagonal |
Core NA | 0.16 ± 0.02 |
Clad NA | 0.44 ± 0.02 |
Cutoff wavelength, µm | 1.03 ± 0.02 |
Core absorption (915 nm), dB/m | 0.35 ± 0.05 |
Core absorption (976 nm), dB/m | ~ 2 |
Core/clad background loss (1150 nm), dB/km | < 30 |
Effective pumping range, µm | 0.91 - 0.984 |
Photodarkening resistance | > 20 times better compare to the Al2O3-SiO2 Yb-doped fiber |