![]() |
Figure 1: Photograph of the mirror and coil in their mounts. The photograph gives an idea of what a real terrestrial mirror would look like. |
Open with DEXTER |
![]() |
Figure 2: Block diagram of the experimental testing setup. Because the interferometer is designed to test flat surfaces, we introduced in the beam a refracting compound lens that gives a 10 cm diameter f/11 reference sphere. |
Open with DEXTER |
![]() |
Figure 3: Azimuthally averaged deviations from the reference surface predicted (full line) and measured (dots) for a small experiment. |
Open with DEXTER |
![]() |
Figure 4: Deviation from a perfect parabola computed for the 30 m mirror that uses 4 coils. The curves for the other mirrors have similar general appearances. |
Open with DEXTER |