Windows
Item | Round windows, square windows, brewster windows |
Material | BK7, Fused Silica, CaF2, Germanium, silicon |
Design Wavelength | Custmer design |
Dimension Tolerance | +0/-0.05mm |
Thickness Tolerance | +/-0.1mm |
Surface Quanlity | 40-20 or better |
Surface Figure | Sph surface: lambda/4 or better@632.8nm |
Parallelism | ETV better than 0.01mm |
Clear Aperture | 90% of diameter |
Bevel | Protective bevel |
Coating | BBAR or custmer design |