Specification:
Material | Crystal quartz |
Diameter Tolerance | +0.0,-0.2 mm |
Thickness Tolerance | +/-0.2 mm |
Surface Quality | 20-10 scratch and dig |
Clear Aperture | >90% |
Parallelism | <5 arc seconds |
Wavefront Distortion | <λ/8@632.8nm |
Thickness | T=0.5 mm, 1 mm, 1.5 mm, 2.0 mm |
Coating | Uncoated |