Figure 6
(Top) Image from the inline viewing system of the best achieved focal profile of the beam reflected by the I04 VFM before repolishing. (Center) Image of the best achieved focal profile of the beam reflected by the same mirror at I03 after repolishing. Both images are on the same scale, which is shown by the mark at the center of the second image. (Bottom) Vertical line profile of the best focus before repolishing, compared with three consecutive wire scans of the vertical profile of the focused beam after repolishing. |