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2017•Unpublished venueOpen access

James Webb Space telescope optical simulation testbed: experimental results with linear control alignment

Charles-Philippe Lajoie, Aurélie Montmerle-Bonnefois, Lucie Leboulleux, Laurent Pueyo, Marie Ygouf, Rémi Soummer, Sylvain Egron, Vincent Michau, C. Escolle, Mamadou N’Diaye, Élodie Choquet, Marshall D. Perrin, Thierry Fusco, Marc Ferrari, Emmanuel Hugot

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Abstract

The current generation of terrestrial telescopes has large enough primary mirror diameters that active optical control based on wavefront sensing is necessary. Similarly, in space, while the Hubble Space Telescope (HST) has a mostly passive optical design, apart from focus control, its successor the James Webb Space Telescope (JWST) has active control of many degrees of freedom in its primary and secondary mirrors.

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What this paper is about

The current generation of terrestrial telescopes has large enough primary mirror diameters that active optical control based on wavefront sensing is necessary. Similarly, in space, while the Hubble Space Telescope (HST) has a mostly passive optical design, apart from focus control, its successor the James Webb Space Telescope (JWST) has active control of many degrees of freedom in its primary and secondary mirrors.

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Available abstract

The current generation of terrestrial telescopes has large enough primary mirror diameters that active optical control based on wavefront sensing is necessary. Similarly, in space, while the Hubble Space Telescope (HST) has a mostly passive optical design, apart from focus control, its successor the James Webb Space Telescope (JWST) has active control of many degrees of freedom in its primary and secondary mirrors.

Key concepts: James Webb Space Telescope, Primary mirror, Testbed, Spitzer Space Telescope, Active optics, Physics, Telescope, Wavefront

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