Space active optics: performance of a deformable mirror for in-situ wave-front correction in space telescopes

Marie Laslandes; Claire Hourtoule; Emmanuel Hugot; Marc Ferrari; Céline Lopez; Christophe Devilliers; Arnaud Liotard; Frederic Chazallet

doi:10.1117/12.925135

21 September 2012 Space active optics: performance of a deformable mirror for in-situ wave-front correction in space telescopes

Marie Laslandes, Claire Hourtoule, Emmanuel Hugot, Marc Ferrari, Céline Lopez, Christophe Devilliers, Arnaud Liotard, Frederic Chazallet

Author Affiliations +

Proceedings Volume 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave; 844220 (2012) https://doi.org/10.1117/12.925135
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

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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Marie Laslandes, Claire Hourtoule, Emmanuel Hugot, Marc Ferrari, Céline Lopez, Christophe Devilliers, Arnaud Liotard, and Frederic Chazallet "Space active optics: performance of a deformable mirror for in-situ wave-front correction in space telescopes", Proc. SPIE 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave, 844220 (21 September 2012); https://doi.org/10.1117/12.925135

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