The ExoLife Finder (ELF) Telescope: new adaptive optics and hybrid dynamic live-optical surfaces strategies

Gil Moretto; Jeff R. Kuhn; Jean-Fabien Capsal; David Audigier; Kritsadi Thetpraphi; Maud Langlois; Michel Tallon; Mike Gedig; Svetlana V. Berdyugina; David Halliday

doi:10.1117/12.2312599

6 July 2018 The ExoLife Finder (ELF) Telescope: new adaptive optics and hybrid dynamic live-optical surfaces strategies

Gil Moretto, Jeff R. Kuhn, Jean-Fabien Capsal, David Audigier , Kritsadi Thetpraphi, Maud Langlois, Michel Tallon, Mike Gedig, Svetlana V. Berdyugina, David Halliday

Author Affiliations +

Proceedings Volume 10700, Ground-based and Airborne Telescopes VII; 107004C (2018) https://doi.org/10.1117/12.2312599
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

The exponential growth in exoplanets studies and related science such as detecting life and even civilizations on Earth-like planets requires high angular resolution and high-contrast observations. Such appealing sciences cases are a powerful reason for developing a dedicated high contrast telescope concept – The ExoLife Finder (ELF) Telescope. Here we describe the ELF overall optical concept, its preliminary Adaptive Optics concept and a novel and revolutionary technology to produce mirrors making use of force-sensor-actuator elements that are 3D-printed onto very thin slumped glass-sandwich elements of fire-polished glass – a very precise aspherical optical surface dedicated to high contrast measurements.

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Gil Moretto, Jeff R. Kuhn, Jean-Fabien Capsal, David Audigier , Kritsadi Thetpraphi, Maud Langlois, Michel Tallon, Mike Gedig, Svetlana V. Berdyugina, and David Halliday "The ExoLife Finder (ELF) Telescope: new adaptive optics and hybrid dynamic live-optical surfaces strategies", Proc. SPIE 10700, Ground-based and Airborne Telescopes VII, 107004C (6 July 2018); https://doi.org/10.1117/12.2312599

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