| After-sales Service: | After-Sale Service |
|---|---|
| Warranty: | 12 |
| Shipping: | FedEx, DHL, UPS... |
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| Main Specifications | ||
| Boule | Wafer | |
| Growth direction | [100] [110] [111] | [110] [001] [111] |
| Dimension | f 35 ~ 50mm | f35 ~ 50mm |
| Length/Thickness | 50 ~ 60mm | 0.2 ~ 1.0mm |
| Flatness | ≤ 15 mm | |
| Bow | ≤ 15 mm | |
| Physical Properties | |
| Crystal Structure | Tetragonal |
| Point Group | 422 |
| Lattice Parameter )nm) | a 0.4810 c 0.7613 |
| Density | 5.99 g/cm3 |
| Melting Point | 730°C |
| Mohs Hardness | 4.5 |
| Transparency Range (nm) | 350 ~ 500 |
| Gradient of Refractive Index(×10-15)/cm | ≤ 5 |
| Refractive Index | no = 2.260 n3 = 2.142 |
| Transmittivity | 70%@632.8nm |
| Phase Velocity (m/s) | 616 |
| Photo-elastic Coefficient | P11=0.074 P13=0.340 P31=0.091 P33=0.240 |
| Figure of Merit( ×10-18S3)/g | M2 793 |
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