Performance verification and environmental testing of a unimorph deformable mirror for space applications

Peter Rausch; Sven Verpoort; Ulrich Wittrock

doi:10.1117/12.2304178

17 November 2017 Performance verification and environmental testing of a unimorph deformable mirror for space applications

Peter Rausch, Sven Verpoort, Ulrich Wittrock

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Proceedings Volume 10563, International Conference on Space Optics — ICSO 2014; 105632Y (2017) https://doi.org/10.1117/12.2304178
Event: International Conference on Space Optics — ICSO 2014, 2014, Tenerife, Canary Islands, Spain

Abstract

Concepts for future large space telescopes require an active optics system to mitigate aberrations caused by thermal deformation and gravitational release. Such a system would allow on-site correction of wave-front errors and ease the requirements for thermal and gravitational stability of the optical train. In the course of the ESA project "Development of Adaptive Deformable Mirrors for Space Instruments" we have developed a unimorph deformable mirror designed to correct for low-order aberrations and dedicated to be used in space environment. We briefly report on design and manufacturing of the deformable mirror and present results from performance verifications and environmental testing.

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Peter Rausch, Sven Verpoort, and Ulrich Wittrock "Performance verification and environmental testing of a unimorph deformable mirror for space applications", Proc. SPIE 10563, International Conference on Space Optics — ICSO 2014, 105632Y (17 November 2017); https://doi.org/10.1117/12.2304178

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KEYWORDS

Mirrors

Deformable mirrors

Sensors

Space mirrors

Astronomical imaging

Bridges

Electrodes

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