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Recent progresses on correcting components at CILAS are exposed: the first one is relative to a 3.5 mm spacing, 28x28 order demonstrator for small pitch concave or convex deformable mirrors designed, manufactured and tested in the scope of feasibility study for the E-ELT MCAO module. The second one is relative to a 1 mm spacing, 50x50 order deformable mirror prototype. This prototyping allows the validation of some main important steps of manufacturing very high order deformable mirrors. This new piezo array family called "miniDM" uses transverse piezo-electrical effect. The last one is relative to a Tip/Tilt Mount prototype that has been designed and manufactured for the Narrow Field Infrared Adaptive Optics System (NFIRAOS), which is the MCAO system of the TMT. The system shows large angular stroke and bandwidth while supporting a heavy deformable mirror.

Recent Progress on Correcting Components (useful for ELTs) at CILAS