Erbium doped fiber
EDF 4/125-50
Description
Datasheet

Erbium doped fiber EDF-4/125-50 is designed for amplification of ultra-short pulses, when high efficiency, a short amplifier length and a high negative dispersion (-30..-50 ps/nm/km) are required.

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Erbium doped fiber

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
Dispersion slope @ 1550nm, ps/nm2/km < 0.03
Pump-to-signal conversion efficiency, % 20 ± 10
Nonconcentricity, µm < 0.5
Other parameters are available on the request
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