Erbium doped fiber EDF 4/125-25

APPLICATION NOTES:

Erbium doped fiber EDF-4/125-25 is designed to minimize the amplifier length without pump-to-signal conversion efficiency degradation.

 

Article EDF-4/125-25


             Erbium doped fiber
                                                             Typical core absorption
   


FIBER SPECIFICATIONS

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

 Erbium doped fiber (Article EDF-4/125-25

 

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