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Erbium doped fiber
EDF 4/125-25
Erbium doped fiber EDF-4/125-25 is designed to minimize the amplifier length without pump-to-signal conversion efficiency degradation.
Erbium doped fiber | EDF-4/125-25 |
| Core diameter, µm | 4 ± 0.5 |
| Clad diameter, µm | 125 ± 1 |
| Coating diameter, µm | 240 ± 30 |
| Mode field diameter, µm | 5.5 ÷ 7.5 |
| Core NA | 0.24 ± 0.03 |
| Cutoff wavelength, µm | < 0.98 |
| Core absorption (980 nm), dB/m | 14 ± 2 |
| Core absorption (1532 nm), dB/m | 25 ± 5 |
| Background loss (1100 nm), dB/km | < 20 |
| Pump-to-signal conversion efficiency, % | 11 ± 4 |
| Nonconcentricity, µm | < 0.5 |
Other parameters are available on the request
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