Production Capabilities:
Material: BK7
Dimension Tolerance: ± 0.1mm
Surface Flatness: ≤λ/2 over the clear aperture
Roof Angle Tolerance: ± 5 art sec
Surface Quality: 40-20scratch and dig
Clear Aperture: >85% of dimension
Coating:
Transmission:
R<0.5% per transmitted face from 400 to 700 nm
Reflection:
R>85% per reflective face from 400 to 700 nm
Chamfer: 0.25-0.5 m
Material: BK7,grade A fine annealed Dimension Tolerance: ± 0.2mm Surface Flatness: λ/2 over the clear aperture Roof Angle Tolerance: ± 6 art sec Surface Quality: 60-40scratch and dig Clear Aperture: >85% of dimension Coating: Transmission: R<0.5% per transmitted face from 400 to 700 nm Reflectivity: R >85% per reflective face from 400 to 700 nm Chamfer: 0.25-0.5 mm |
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