Ytterbium-Doped Fiber YDF-SM-6/125

FIBER SPECIFICATIONS;YDF-SM-6/125

Core diameter, µm ;5.5 ± 0.7 Clad diameter, µm ;125 ± 3 Coating diameter, µm ;240 ± 30 Core NA ;0.16 ± 0.02 Mode field diameter (@ 1064nm), µm ;5.5 ± 0.5 Cutoff wavelength, µm ;0.9 ± 0.1 Core absorption (915 nm), dB/m ;150 ± 25 Core absorption (976 nm), dB/m  ;> 750 ± 130  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