Figure 6
Slope errors curves for the C-line mirror bent to three required ellipses (q = 5.86, 6.16 and 6.96 m, all with p = 57.9 and θ = 3 mrad), as measured by the Diamond-NOM. Residuals are 185, 194 and 206 nrad r.m.s., respectively (curves offset vertically for clarity). This shows that the clamping and bender mechanisms are not inducing significant distortions to the optical surface. |