Space active optics: performance of a deformable mirror for in-situ wave-front correction in space telescopes
2012
MADRAS (Mirror Active, Deformable and Regulated for Applications in Space) project aims at demonstrating
the interest of Active Optics for space applications. We present the prototype of a 24 actuators, 100 mm diameter
deformable mirror to be included in a space telescope's pupil relay to compensate for large lightweight primary
mirror deformation. The mirror design has been optimized with Finite Element Analysis and its experimental
performance characterized in representative conditions. The developed deformable mirror provides an efficient
wave-front correction with a limited number of actuators and a design fitting space requirements.
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