OFS offers 80 µm clad erbium-doped fibers specifically for compact amplifier designs operating in either the C- or L-band.  The fibers provide high efficiency and low noise figure, while allowing for very tight bend radii and high reliability.
Unit of Measure

Optical Properties

Peak Absorption

N/A near 1530 nm, 17 to 23 dB/m

Cutoff Wavelength

N/A 840 to 960 nm

Numerical Aperture

N/A 0.25 to 0.27

Numerical Aperture Tolerance

N/A ± 0.02

Mode Field Diameter

N/A @ 1530 nm, 5 ± 0.5 µm

PMD (Typical)

N/A 2 fs/m


N/A @ 1200 nm, < 10 dB/km

PM or SM



N/A Erbium-Doped Fibers For L-Band

Physical Properties

Cladding Diameter

N/A 80 µm

Coating Diameter

N/A 250 µm

Core Diameter

N/A 2.9 µm

Coating Non-Circularity

N/A < 2.5%

Coating/Cladding Concentricity Error

N/A < 16 µm

Cladding Non-Circularity

N/A < 1%

Core Eccentricity

N/A ≤ 0.3 µm

Mechanical and Testing Data

Proof Test Level

N/A 2% 200 kpsi

Order From Location

+45 43 45 8888
Priorparken 680, DK-2605
Broendby, Denmark

Typical Applications

N/A DWDM and CATV Systems Operating in the L-Band Pump Applications at 980 nm or 1480 nm


N/A Coils or Spools Color-Coded Buffers Custom Designs Custom Spectral Shape Fibers available in long lengths on standard spools Fibers available in predetermined lengths and coiled to given diameters Fibers available with natural or colored buffer Fibers may be customized to suit your specific application


N/A Compatible with OASiX® Software Package
Accurate prediction of EDF performance is essential to applications design. OFS offers specialized OASiX Amplifier Simulation System Software, which allows the designer to predict EDFA performance at all pump powers for the specific lot of EDF purchased. OASiX is also available in a DLL version for compatibility with external optimization tools.

How To Order:

Order By Item #

N/A 10816