The ExoLife Finder (ELF) Telescope: New Adaptive Optics and Hybrid Dynamic Live-Optical Surfaces Strategies

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

doi:10.1364/AOMS.2018.OTh2F.4

Imaging and Applied Optics 2018 (3D, AO, AIO, COSI, DH, IS, LACSEA, LS&C, MATH, pcAOP)
OSA Technical Digest (Optica Publishing Group, 2018),
paper OTh2F.4
•https://doi.org/10.1364/AOMS.2018.OTh2F.4

The ExoLife Finder (ELF) Telescope: New Adaptive Optics and Hybrid Dynamic Live-Optical Surfaces Strategies

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

Adaptive Optics: Analysis, Methods & Systems 2018

Orlando, Florida United States
25–28 June 2018
ISBN: 978-1-943580-44-6

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AO Systems II (OTh2F)

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G. Moretto, J. R. Kuhn, M. Langlois, M. Tallon, M. Gedig, A. Norton, J. Capsal, D. Audigier, K. Thetpraphi, S. V. Berdyugina, and D. Halliday, "The ExoLife Finder (ELF) Telescope: New Adaptive Optics and Hybrid Dynamic Live-Optical Surfaces Strategies," in Imaging and Applied Optics 2018 (3D, AO, AIO, COSI, DH, IS, LACSEA, LS&C, MATH, pcAOP), OSA Technical Digest (Optica Publishing Group, 2018), paper OTh2F.4.

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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 (i) ELF’s overall optical concept, (ii) its preliminary Adaptive Optics concept and (iii) a new technology for fabricating mirrors from force-sensor-actuator elements that are 3D-printed onto very thin slumped glass-sandwich elements of fire-polished glass. In the end such a new concept will violate the cost and mass scaling laws that make conventional large-aperture telescopes relatively expensive.

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