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Erbium doped fiber
EDF 4/125-50
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.
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
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