The optical dome is an equal thickness sphere with the same inner and outer spherical centers coincidence. It is installed at the front end of the high-speed flying body. The external shape can meet the requirements of fluid mechanics.
Dome cover specification or based on clients' requirments | |
1.Material | N-BK7,FS or based on clients' requirments |
2.Dimensional tolerances | +0/-0.1mm |
3.Clear aperture | 90% |
4.Aperture tolerance | ±0.1 |
5.Tolerance of CT or ET | ±0.05mm |
6.Surface Quality | US Military Standard 60-40,ISO Standard 3X0.25 |
7.Curvature Tolerance | ±2入 |
8.Surface Flatness | 入(ru)/4@633nm (per 100 aperture) |
9.Centration | 1 arc minute |
10.Edge Chip | <0.2mm |
11.Bevel | Based on clients' requests |
12.Coating | Apply AR,Conductive coating(ITO)or based on client requests |