Mirror
Zones & knife-edge readings
| # | Inner | Outer | Eff. radius | Reading | Ideal | Surf err (nm) |
|---|
Enter zone boundaries (inner/outer) or just the effective radius. Reading = averaged knife-edge position per zone, in the chosen units.
Foucault / Couder-mask reduction for telescope mirrors
| # | Inner | Outer | Eff. radius | Reading | Ideal | Surf err (nm) |
|---|
Enter zone boundaries (inner/outer) or just the effective radius. Reading = averaged knife-edge position per zone, in the chosen units.