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Special optical fibers, etc
OH content<1ppm, high transmittance, high geometric dimension accuracy, precise fluorine doping process, can ensure optical design accuracy and avoid refractive index curve deformation
Geometric specifications and accuracy
| Main parameters | Shi Yingbang |
Outer diameter OD (mm) | <20 |
| Wall thickness WT (mm) | - |
| Outer diameter tolerance (mm) | ±0.<20 |
| Wall thickness tolerance (mm) | - |
| Non roundness (mm) | ≤0.40 |
| Wall deviation (mm) | - |
| CSA deviation | - |
| Bow curvature (mm/m) | ≤0.70 |
| Length (mm) | ≤1500 |
Typical trace impurity content (ppm)
| Model | Li | Na | K | Mg | Ca | Cu | Al | Cr | Fe | Ti | OH |
| YR-1121 | <0.001 | <0.0012 | <0.002 | <0.001 | <0.010 | <0.001 | <0.002 | <0.001 | <0.002 | <0.005 | <1 |
Typical parameters of materials
| Parameters | YR-1121 |
| Relative refractive index | -1%~0 |
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