A computer ray-tracing rendered simulation to study the focusing behavior of a lens-like operating ring-array mirror (RAM) for extremely large telescopes is discussed.
Results of advanced experiments in centrifugal molding of the mercury parabolic mirrors and convex replicable matrix are presented and discussed. The stationary ground-based installation was erected following the IDL fabrication technique and put into action. A number of important technical peculiarities of the installation are described along with some theoretical background for its dynamics. The experiments done prove well the IDL-technique prospects in building zenith telescopes employing liquid paraboloids as working mirrors beyond 10-m in diameters, as well as thin superlightweight replicated mirrors intended for the NGST- like projects.
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