Erbium doped fiber EDF-4/125-50

FIBER SPECIFICATIONS;EDF-4/125-50

Core diameter, µm; 3.5 ± 0.5 Clad diameter, µm; 125 ± 1 Coating diameter, µm; 240 ± 30 Mode field diameter, µm; ~ 5.5 Core NA; 0.27 ± 0.03 Cutoff wavelength, µm; < 0.98 Core absorption (980 nm), dB/m; 30 ± 5 Core absorption (1532 nm), dB/m; 50 ± 15 Background loss (1100 nm), dB/km; < 30 Dispersion @ 1550nm, ps/nm/km; ~ -36 Nonconcentricity, µm; < 0.5 Pump-to-signal conversion efficiency, %; 20 ± 10