Germanate glass core fiber
GDF-MM-8/125-98
Higly Ge-doped silica fibers are used for variety of nonlinear applications.
Typical loss spectrum
High germania core fiber | GDF-MM-8/125-98 |
| Core diameter, µm | 8 x 7 (elliptical) |
| Clading diameter, µm | 125 ± 1 |
| Coating diameter, µm | 260 ± 10 |
| Delta n | 0.14 |
| GeO2 concentration, % | 98 |
| Cutoff wavelength, µm | ~ 0.7 |
| Attenuation (at 1550nm), dB/km | 200 |
| Attenuation (at 2100nm), dB/km | 110 |
| Attenuation (at 2300nm), dB/km | 200 |
| Splicing loss with ordinary fiber, dB | ~ 1 |
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