OFS offers a complete line of Erbium-Doped Optical Fibers (EDF) for ASE source applications.  For ASE sources, fibers with a high NA and moderate erbium concentration are available.  All of our EDF products meet the most stringent standards for performance and reliability.

Unit of Measure

Optical Properties


N/A Erbium-Doped Fibers For ASE Sources

Peak Absorption

N/A @ 1530 nm; 17.0 ± 2.0 dB/m

Numerical Aperture

N/A 0.26 ± 0.02

Cutoff Wavelength

N/A 920 nm

Mode Field Diameter

N/A @ 1550 nm, 5.1 ± 0.7 µm

PM or SM


Cladding Diameter

N/A 125 µm


N/A @ 1200 nm, ≤ 10 dB/km

Coating Diameter

N/A 245 µm

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 ASE Source Applications Pumping at either 980 or 1480 nm


N/A Coils Custom Designs Customized Spectral Shape HG980 80 also Available in Standard 125 µm Cladding Size with 250 µm Coating Tighter Optical Property Specifications


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 61379