Erbium doped fiber EDF 4/125-50
APPLICATION NOTES:
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.
Article EDF-4/125-50
Typical core absorption
FIBER SPECIFICATIONS
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 including PM version are available on the request
Erbium doped fiber (Article EDF-4/125-50)
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