| Crystal orientation | [100] or [111]，Deviation within 5o |
| Initial absorption coefficient | 0.5～6cm-1 @1064nm |
| Initial transmittance | 5%~95%@1064nm |
| Element size | Diameter:3～12mm |
| Section:3×3~12×12mm | |
| Dimensional tolerance | Diameter:+0.00/-0.05mm |
| Thickness: ±0.5mm | |
| Cylindrical machining | 400#Abrasive finish grinding |
| End face parallelism | ≤30" |
| End face flatness | λ/8 @632.8nm |
| surface quality | 20-10 (MIL-O-13830A) |
| The reflectance of antireflective film | ≤0.25%@1064nm |
| The laser damage threshold of film | ≥500MW/cm2 |
| crystal structure | Cubic |
| lattice constant | 12.01 Å |
| melting point | 1970℃ |
| Mohs hardness | 8.5 |
| density | 4.56±0.04g/cm3 |
| specific heat | 0.59J/g. cm3@0-20℃ |
| Elastic modulus | 310GPa |
| Young's modulus | 3.17×104Kg/mm2 |
| Poisson's ratio | 0.3 |
| Tensile strength | 0.13~0.26GPa |
| Coefficient of thermal expansion | [100]:8.2×10-6/K@0~250℃ |
| [110]:7.7×10-6/K@0~250℃ | |
| [111]:7.8×10-6/K@0~250℃ | |
| Thermal conductivity | 14W/m/K@20℃ |
| 10.5W/m/K@100℃ | |
| Thermooptic coefficient | dn/dT =7.3×10-6/K |
| Thermal shock resistance | 790W/m |
| Solubility | Insoluble in water, slightly soluble in common acids |
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