LMA Ytterbium doped tapered fiber | TPR-DC-40/400PM-RS | |
Type of signal | Signal input end | Signal output / pump input end |
Core diameter, µm | 9 ± 1 | > 40 |
Clad diameter, µm | 90 ± 10 | 400 ± 50 |
Cutoff wavelength, µm | < 1.0 | - |
MFD, µm | 10.0 ± 2.0 | > 24 (25-30 typical) |
Core NA | 0.09 ± 0.01 | |
Clad NA | > 0.26 | |
Clad shape | PANDA with F-doped second cladding | |
Clad absorption (915 nm), dB/m | > 4 | |
Clad absorption (976 nm), dB/m | > 15 | |
Core background loss (1150 nm), dB/km | < 50 | |
Photodarkening resistance | > 20 times better compare to the Al2O3-SiO2 Yb-doped fiber |