Ytterbium doped fiber
Photodarkening free Yb-doped DC fiber

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).


Ytterbium doped fiber


Core diameter, µm6.0 ± 0.5
Clad diameter, µm125 ± 3
Clad shapeoctagonal
Core NA0.16 ± 0.02
Clad NA0.44 ± 0.02
Cutoff wavelength, µm1.03 ± 0.02
Core absorption (915 nm), dB/m0.35 ± 0.05
Core absorption (976 nm), dB/m ~ 2
Core/clad background loss (1150 nm), dB/km< 30
Effective pumping range, µm0.91 - 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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