Erbium doped fiber EDF-4/125-25

FIBER SPECIFICATIONS;EDF-4/125-25

Core diameter, µm; 4 ± 0.5 Clad diameter, µm; 125 ± 1 Core NA; 0.24 ± 0.03 Cutoff wavelength, µm; < 1 Core absorption (980 nm), dB/m; 15± 2 Core absorption (1532 nm), dB/m; 25 ± 5 Background loss (1100 nm), dB/km; < 30 Nonconcentricity, µm; < 0.5 Pump-to-signal conversion efficiency, %; 11 ± 4