Specifications:
| Dimension Tolerance | ±0.1mm |
| Optical Axis Orientation | ±0.5° |
| Surface Quality | 20/10 |
| Clear Aperture | >90% |
| Flatness | <λ/4@633nm |
| Transmitted Wavefront Distortion | <λ/4@633nm |
| Parallelism | <1 arc minute |
| AR Coating | Per your Request |
Physical and Optical Properties:
| Transmission Range | 0.11-8.5um |
| Density | 3.16g/cm3 |
| Melting Point | 1255℃ |
| Boiling point | 2239℃ |
| Molecular Weight | 62.32 |
| Thermal Conductivity | 3.15W/m K |
| Specific Heat | 920 J/(kg K) |
| Thermal Expansion | || C: 14 x 10-6/°C ; ⊥C: 9 x 10-6 /°C |
| Hardness | 5-6 |
| Youngs Modulus | 138.5 GPa |
| Elastic Coefficient | C11=140 C12=89 C44=57 C13=63 C66=96 |
| Dielectric Constant | 105 ~107 Hz 5.45 |
| Solubility in Water | 0.0076g/100 g, 18℃ |
| Lattice Constant | a=4.64Å, c=3.06Å |
| Crystal Type | Tetragonal, P42/mnm |
| Cleavage Planes | (100), (110) |
| Absorption Coefficient | 0.07 at 0.2µm, 0.02 at 5.0µm |
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