Erbium-Ytterbium codoped fiber EYDF-DC-7/125
APPLICATION NOTES:
Erbium-Ytterbium codoped fiber EYDF-DC-7/125 series is specially designed for typical application for lasers and amplifiers for highly efficient pumping with MM pump sources at 915 ÷ 940nm and generation to 1545 ÷1600nm.
Article EYDF-DC-7/125

FIBER SPECIFICATIONS
| FIBER SPECIFICATIONS |
EYDF-DC-7/125 |
| Core diameter, μm | 6.0 ± 0.6 |
| Coating diameter, μm | 230 ± 20 |
| Coating material type | Silicon rabber with a reduced refractive index, covered with a protective varnish on top |
| MFD @ 1550nm, μm | 6.4 ± 0.6 |
| Clad shape | Square or octagonal, 120μm flat to flat |
| Core NA | 0.2 ± 0.03 |
| Mode of operation | one transverse mode TEM00 |
| Cutoff wavelength second mode, nm | 1550 ± 50 |
| Clad NA | 0.42 ± 0.02 |
| Clad absorption (940 nm), dB/m | › 1.3 |
| Clad absorption (975 nm), dB/m | › 3 |
| Effective pumping range, μm | 0.910 ÷ 0.980 |
| Splicing loss with SMF 28, dB | ~ 0.2 |
Other parameters are available on the request
Erbium-Ytterbium codoped fiber EYDF-DC-7/125