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About

M. Sarazin is a leading figure in atmospheric optics and adaptive optics for astronomy, with a career dedicated to characterizing and mitigating the effects of atmospheric turbulence on ground-based telescopes. His primary research focuses on the measurement and modeling of the optical turbulence profile, particularly the critical ground layer that most degrades image quality. Sarazin’s major contributions include the development and implementation of robotic turbulence profiling instruments, most notably the SLODAR (SLOpe Detection And Ranging) system. His 2019 paper on the robotic SLODAR at Paranal, which has garnered 15 citations, describes a key tool for measuring the vertical structure of turbulence up to 500 meters, directly supporting the operational efficiency of adaptive optics systems like the Very Large Telescope’s Adaptive Optics Facility (AOF). He has also advanced the use of the Multi-Aperture Scintillation Sensor (MASS) for higher-altitude profiling, as detailed in his 2018 work. With over two decades of impact, Sarazin’s instrumental and analytical work has been foundational for predicting adaptive optics performance and enabling the next generation of extremely large telescopes, such as the ELT, to achieve their full potential.