Ytterbium doped fiber
YDF-DC-6/125
photodarkening free
Description
Datasheet
Ytterbium doped fiber YDF-DC-6/125 series is specially designed for highly efficient high-reliability CW lasers operating in the 1.03-1.08 µm spectral range. Flat absorption in the range of 910-965 nm and specially designed polymer coating allow usage of laser based on such fibers in an extra wide temperature range (-60..+60°C).
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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 |
| Other parameters including PM version are available on the request | |
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