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Glass compositions in mol%.
| Glass code | SiO2 | CaO/SrO | P2O5 | CaF2/SrF2 |
|---|---|---|---|---|
| GF/SF 0.0 | 38.1 | 55.5 | 6.3 | 0.0 |
| GF/SF 3.0 | 37.0 | 53.9 | 6.1 | 3.0 |
| GF/SF 4.5 | 36.4 | 53.0 | 6.0 | 4.5 |
| GF/SF 6.0 | 35.9 | 52.2 | 5.9 | 6.0 |
| GF/SF 9.3 | 34.6 | 50.4 | 5.7 | 9.3 |
| GF/SF 13.6 | 32.9 | 48.0 | 5.5 | 13.6 |
| GF/SF 17.8 | 31.4 | 45.7 | 5.2 | 17.8 |
| GF/SF 25.5 | 28.4 | 41.4 | 4.7 | 25.5 |
