Table 1 Properties of the used glasses and glass preforms.
From: Fused silica optical fibers with graded index nanostructured core
Parameter | Glass type | ||
---|---|---|---|
low index | step-index preform | ||
core | cladding | ||
SK1310 | Ge-doped F300 | F300 | |
Refractive index, ne | 1.4609 | 1.47207 | 1.46007 |
Initial diameter [mm] | N/A | 18.4 | 24 |
GeO2 concentration [% mol] | 0 | 8.5 | 0 |
Final rod diameter [mm] | 0.45 | 0.45 | |
Effective GeO2 conc. [% mol] | 0 | 4.9% mol | |
Effective ne | 1.4609 | 1.4678 |