Items |
Specifications |
Material |
Anisotropic crystalline synthetic sapphire |
Designed Wavelength |
546.1 nm |
Designed Index |
1.771 ¡À0.0005 |
Dimension Tolerance |
+0.0/-0.2 mm |
Thickness Tolerance |
¡À 0.2 mm |
Paraxial Focal Length |
¡À 5% |
Clear Aperture |
> 90% |
Centration |
3 arc minutes |
Flatness |
N=5 |
Surface Quality |
scratch and dig 60-40 |
Bevel |
0.5 (0/-0.3) mm |
Notes:
1. Surface Quality could reach 40-20
2. Centration such as 1¡¯ is available.
3. Please show us the size and the coating specification. |