An optical element having plane-inclined surfaces.
Ideal for producing minor angular or linear beam displaceme nts
Manufacturing Tolerances
Attribute |
Commercial standard |
Precision Standard |
Material |
BK7, fine annealed |
BK7, fine annealed |
Diameter |
± 0.25 |
± 0.15, ± 0.10 |
Center Thickness (t) |
±0.25 |
±0.15 |
Angle Tolerance |
± 10', ± 5' |
± 3', ± 30”, ± 5” |
Cosmetics (scratch-dig) |
80-50, 60-40 |
20-10, 10-5 |
Edges |
Fine ground and beveled |
Fine ground and beveled |
Clear Aperture |
90% |
90% |
Coating |
See attached coating chapter. |
See attached coating chapter. |
All dimensions are in mm unless otherwise specified.
Different material, sizes, tolerance and coating are available upon request.