Large aperture telescope technology: a design for an active lightweight multi-segmented fold-out space mirror

Thompson, S.; Doel, A. P.; Whalley, Martin S.; Edeson, Ruben; Tosh, Ian; Poyntz-Wright, O.; Atad-Ettedgui, Eli; Montgomery, David; Nawasra, J

doi:10.1117/12.2309210

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Large Aperture Telescope Technology1

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2020

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“…9. An alternative design was proposed by Thompson et al 91 Its purpose it to push the critical TRLs for a near-infrared (NIR), very large aperture telescope. Their progress reports a very lightweight active mirror, and an optical design featuring an 7-m 2 deployable collection area.…”

Section: Large Aperture Telescope Technologymentioning

confidence: 99%

Review on thermal and mechanical challenges in the development of deployable space optics

Villalba

Kuiper

Gill

2020

J. Astron. Telesc. Instrum. Syst.

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Deployable optics promise a revolution in the capability of observing the universe by delivering drastically reduced mass and volume needs for a desired level of performance compared to their conventional counterparts. However, this places new demands on the mechanical and thermal designs of new telescopes, essentially trading mass and volume for structural and control complexity. We compile the thermomechanical challenges that should be taken into consideration when designing optical space systems, as well as summarize 14 projects proposed to address them. Stringent deployment repeatability requirements demand low hysteresis, whereas stability requirements require high stiffness, proper thermal management, and active optics.

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Section: Large Aperture Telescope Technologymentioning

confidence: 99%