| OPTICAL |
|
| |
Transmission Range |
1.2 to 15 microns |
| |
Refractive Index |
3.4223 at 5 microns |
| |
Reflection Loss |
51.0% at 5 µm (2 surfaces) |
| |
Index of Absorption |
1 x 10-3 cm-1 at 3 microns |
| |
dN/dT |
160 x 10-6/°C |
| |
dN/dµ = 0 |
10.4µm |
| |
|
|
| PHYSICAL |
|
| |
Density |
2.33 g/cm3 |
| |
Melting Point |
1420°C |
| |
Thermal Conductivity |
163.3 Wm-1K-1 at 273K |
| |
Thermal Expansion |
4.15 x 10-6/°C |
| |
Hardness |
Knoop 1150 |
| |
Specific Heat Capacity |
703 J kg-1K-1 |
| |
Dielectric Constant |
13 at 10GHz |
| |
Young's Modulus (E) |
131 GPa |
| |
Shear Modulus (G) |
79.9 GPa |
| |
Bulk Modulus (K) |
102 GPa |
| |
Elastic Coefficients |
C11 = 167 C12 = 65 C44 = 80 |
| |
Poisson Ratio |
0.266 |
| |
|
|
| CHEMICAL |
|
| |
Solubility |
Insoluble in water |
| |
Molecular Weight |
28.09 |
| |
Class/Structure |
Cubic diamond, Fd3m | |
|
