Optical Fiber Quartz Rod
Optical fiber quartz rod is used as seed and handle rod in deposition and extension of VAD and OVD processes.
Characteristics:
Optical fiber quartz rod features high purity, excellent mechanical strength, etc.
Product Size(mm):
| O.D. | OD Tolerance | Ovality | Bow |
|---|---|---|---|
| 20≤OD<30 | ±1.25% | 1.25% | 0.15% |
| 30≤OD<50 | ±1.25% | 1.25% | 0.15% |
| 50≤OD<100 | ±1.25% | 1.25% | 0.15% |
| 100≤OD<160 | ±1.25% | 1.25% | 0.15% |
Chemical Properties(ppm):
| Al | Ca | Cr | Cu | Fe | K | Li | Mg | Mn | Na | Ti | Zr | OH Content |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 16.2 | 1 | 0.05 | 0.05 | 0.50 | 1.2 | 0.9 | 0.2 | 0.05 | 1.1 | 1.5 | 1 | <50 |
Physical Properties:
| Items | Values |
|---|---|
| Density (g/cm3) | 2.2 |
| Heat Conductivity (w/m.k 1000°C) | 2.28 |
| Coefficient of Thermal Expansion (°C-1 1000°C) | 5.5×10-7 |
| Softening Point (°C) | 1670 |
| Annealing Point (°C) | 1210 |
| Strain Point (°C) | 1110 |
Coefficient of Thermal Expansion & Viscosity
