Dr. Moretto is a Senior Scientist at CNRS/France and expert in the R&D for novel astronomical instrumentation development. He has contributed to the projects development and now under construction: DKIST a 4m off-axis mirror solar telescope and the GMT 6x8.4m off-axis mirrors telescope. Currently working on novel telescope optimised for the exoplanets and biosignatures detection: ELF (Exo-Life Finder) Telescope (https://www.planets.life/telescopes). Dr. Moretto is also the PI for the French/ANR funded Live-Mirror project: Hybrid Dynamic Structures for Optical-Quality Surfaces Shape Control. An interdisciplinary (CRAL/CNRS/Lyon, INSA/Lyon, ATRC/IFA/UHawaii) technology for creating extremely lightweight diffraction-limited 3D printable meta-material-based optical mirrors with exceptional optical quality spectacularly lower cost and production time. He is also one of co founders of PLANETS Foundation (https://www.planets.life).
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With a computational cost comparable to state-of-the-art but sub-optimal methods used in solar AO, our wavefront sensing algorithm estimates the local slopes and their covariances following a maximum likelihood registration method.
Themis AO system has a modest size but can be used to assert the benefits of maximum a posteriori (MAP) wavefront sensing and control,2, 3 of accounting of the covariances of the measure and of the temporal correlation of the turbulent wavefront.
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