产 品 说 明
| OPTICAL | ||
| Transmission Range | 1.8 to 23 microns | |
| Refractive Index | 4.0026 at 11 microns | |
| Reflection Loss | 59.1% at 11 µm (2 surfaces) | |
| Index of Absorption | 1.3 x 10-3 cm-1 at 3.8 microns | |
| dN/dT | 396 x 10-6/°C | |
| dN/dµ = 0 | R.I. almost constant | |
| PHYSICAL | ||
| Density | 5.33 g/cm3 | |
| Melting Point | 936°C | |
| Thermal Conductivity | 58.61Wm-1K-1 at 293K | |
| Thermal Expansion | 6.1 x 10-6/°C at 298K | |
| Hardness | Knoop 780 | |
| Specific Heat Capacity | 310 J kg-1K-1 | |
| Dielectric Constant | 16.6 at 9.37GHz at 300K | |
| Young's Modulus (E) | 102.7 GPa | |
| Shear Modulus (G) | 67 GPa | |
| Bulk Modulus (K) | 77.2 GPa | |
| Elastic Coefficients | C11 = 129 C12 = 48.3 C44 = 67.1 | |
| 89.6 MPa (13000psi) | ||
| Poisson Ratio | 0.28 | |
| CHEMICAL | ||
| Solubility | Insoluble in water | |
| Molecular Weight | 72.59 | |
| Class/Structure | Cubic diamond, Fd3m | |