| Growth methods: |
HPVB or HPVZM |
| Structure |
Cubic zincblende |
| Density: |
5.85 g/cm3 |
| Knoop Hardness: |
45 kg/mm2 |
| Young�s Modulus: |
3.7´1011dyne/cm2 |
| Rupture Modulus: |
2.2´108dyne/cm2 |
| Poisson Ratio: |
0.41 |
| Coefficient of Thermal Expansion: |
5.9´10-6/K |
| Specific Heat: |
0.21 J/gK |
| Thermal conductivity (at 25 oC): |
0.06 W/cmK |
| Max. Transmittance (l=7-12 mm): |
³ 66 % |
| Absorption Coefficient (l=10.6 mm): |
£ 0.003 cm-1(including 2 surfaces) |
| Thermo-Optic Coefficient (_d_n/_d_T): |
11.0 (l =10.6 mm) |
| Refractive index (l=10.6 mm): |
2.69 |
| Electrooptical coefficient r41 (l=10.6 mm): |
6.8´10-12 m/V |
| Max. IR-optic blank diameter/length: |
Æ40´45 mm |
| Max. single crystal diameter/length: |
Æ40´30 mm |