Sapphire Description
|
Sapphire is a single crystal aluminium oxide (Al2O3) and it is one of the hardest materials.
It has good transmission characteristics over the visible, and near IR spectrum. Sapphire exhibits high mechanical strength, chemical resistance and thermal stability. It is often used in environment where scratch resistance is important.
Internal transmitance |
Sapphire Refractive Index
| Wavelength, Microns |
no |
ne |
| 1,0
|
1,7545
|
1,7460
|
| 2,0
|
1,7374
|
1,7299
|
| 3,0
|
1,7015
|
1,6920
|
| 4,0 |
1,6748 |
1,6679 |
| |
|
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