| Specification | GaAs |
| Transmission Range (um) | 1.0-22 |
| Refractive Index@10um | 3.277 |
| Temperature Coefficient of Refractive Index @ 106um, | 149 x 10-6/oC |
| Bulk Absorption Coefficient@10um / cm | < 0.01 |
| Melting Point, oC | 1600 |
| Hardness (Knoop), Kg/mm2 | 750 |
| Density, g/cm3 | 5.37 |
| Rupture Modulus, Mpa | 13.8 |
| Young's Modulus, Gpa | 8.3 |
| Fracture Toughness Mpam-1/2 | 0.31 |
| Wavelength(µm) | Index | Wavelength(µm) | Index | Wavelength(µm) | Index | Wavelength(µm) | Index |
|---|---|---|---|---|---|---|---|
| 2.6 | 3.3239 | 5.4 | 3.2991 | 8.2 | 3.2868 | 11.0 | 3.2725 |
| 2.8 | 3.3204 | 5.6 | 3.2982 | 8.4 | 3.2859 | 11.2 | 3.2713 |
| 3.0 | 3.3169 | 5.8 | 3.2972 | 8.6 | 3.2849 | 11.4 | 3.2701 |
| 3.0 | 3.3169 | 5.8 | 3.2972 | 8.6 | 3.2849 | 11.4 | 3.2701 |
