Ytterbium doped fiber
Photodarkening free Yb-doped SM fiber

Ytterbium doped fiber YDF-SM-6/125 series is designed for operation without power degradation in core-pumped laser and amplifier schemes.


Ytterbium doped fiber


Core diameter, µm5.5 ± 0.7
Clad diameter, µm125 ± 3
Coating diameter, µm240 ± 30
Core NA0.16 ± 0.02
Cutoff wavelength, µm0.9 ± 0.1
Core absorption (915 nm), dB/m150 ± 25
Core absorption (976 nm), dB/m > 750 ± 130
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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