Products
PRECISION OPTICAL ELEMENT
PRECISION OPTICAL ELEMENT
PRECISION OPTICAL ELEMENT
Mirror
Types
Metal mirror, Dielectric film mirror
Material
H-K9L, Fused Silica and other glass materials
Specification | Normal | Precision |
Diameter Tolerance | 0.0,-0.2mm | 0.0,-0.01mm |
Thickness Tolerance | ±0.2mm | ±0.05mm |
Parallelism | ＜3 arc min | ＜1 arc sec |
Surface Flatness | λ@632.8nm | λ/10@632.8nm |
Clear Aperture | >90% | >100% |
Surface Quality | 60-40 S/D | 20-10 S/D |