Germanate glass core fiber
GDF-SM-3.5/125-50
Higly Ge-doped silica fibers are used for variety of nonlinear applications.
High germania core fiber | GDF-SM-3.5/125-50 |
| Core diameter, µm | 4 x 3 (elliptical) |
| Clading diameter, µm | 125 ± 1 |
| Coating diameter, µm | 260 ± 10 |
| Delta n | 0.074 |
| GeO2 concentration, % | 50 |
| Cutoff wavelength, µm | ~ 1.92 |
| Attenuation (at 1060nm), dB/km | 23 |
| Attenuation (at 1300nm), dB/km | 12 |
| Attenuation (at 1550nm), dB/km | 6.7 |
| Attenuation (at 1850nm), dB/km | ~ 7 |
| Attenuation (at 2100nm), dB/km | 49 |
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