High Purity 99.999% Sapphire Single Crystal Blanks Optical Crystal
Infrared Material
Sapphire is a single crystal aluminum oxide (Al2O3),is renowned for
its exceptional optical properties and wide range of applications
in various industries. Sapphire's remarkable attributes, such as
high hardness, excellent optical transparency, chemical stability,
and thermal conductivity, make it an ideal material for optical
components in demanding environments.
Properties of Single Crystal Sapphire:
| Chemical formula | Al₂O₃ |
| Purity | 99.999% |
| Crystal structure | Hexagonal |
| Hardness Mohs | 9.0 |
| Fusion point | 2045℃ |
| Boiling point | 2980℃ |
| Coefficient of Thermal Expansion | 5.8x10 -6/K |
| Specific heat | 0.418W.s/g/k |
| Thermal conduction | 25.12W/m/k(@100°C) |
| Refractive index | no=1.768 ne=1.760 |
| dn/dt | 13×10-6/K(@633nm) |
| Transmission | T≈80%(0.3-5μm) |
| Permittivity | 11.5(//c), 9.3(⊥c) |
Sapphire Optical glass blanks
Jingjing Technology (Hubei) Co., Ltd can supply high quality fine
grinding sapphire optical glass blanks.
We can cut the material into the shape as requirements, such as
square shape, round shape, spherical shape and so on.
If have any query, please contact with us.
