Specifications:
| Dimension Tolerance | ±0.1mm |
| Optical Axis Orientation | ±0.5° |
| Surface Quality | 20/10 |
| Clear Aperture | >90% |
| Flatness | <λ/8@633nm |
| Transmitted Wavefront Distortion | <λ/10@633nm |
| Parallelism | Up to 1 arc second |
| Coating | Per your Request |
Physical and Optical Properties:
| Transmission Range | 0.150-4.0µm |
| Refractive Index | no=1.5350, ne=1.5438@1µm |
| Density | 2.65 g/cm3 |
| Melting Point | 1710°C |
| Molecular Weight | 60.06 |
| Thermal_Conductivity | || C: 11.7 W/(m·K) @ 20°C; ⊥C: 6.5 |
| Specific Heat | 744 J/(kg·K) |
| Thermal Expansion | || C: 7.97 x 10-6 /°C ; ⊥C: 13.37 x 10-6 /°C @ 0°-80°C |
| Hardness (Mohs) | 7 |
| Young`s Modulus | || C: 97; ⊥C: 76.5 GPa @ 25°C |
| Elastic Coefficient | C11 = 86.6; C12 = 6.7; C13 = 12.4; C14 = 17.8; C33= 106.4; C44 = 58 GPa |
| Dielectric Constant | || C: 4.27@30 MHz@25°C; ⊥C: 4.34 |
| Solubility in Water | insoluble |
| Type of Material | Single crystal, synthetic |
| Crystal Structure | trigonal, point group 32, a=4.9138Å, c=5.4052Å |
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