Atmospheric turbulence profiling using the SLODAR technique with ARGOS at LBT

Tommaso Mazzoni; Lorenzo Busoni; Marco Bonaglia; Simone Esposito

doi:10.1117/12.2234268

27 July 2016 Atmospheric turbulence profiling using the SLODAR technique with ARGOS at LBT

Tommaso Mazzoni, Lorenzo Busoni, Marco Bonaglia, Simone Esposito

Proceedings Volume 9909, Adaptive Optics Systems V; 99093R (2016) https://doi.org/10.1117/12.2234268
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

ARGOS is the Ground Layer Adaptive Optics system of the Large Binocular Telescope, it uses three Laser Guide Stars, generated by Rayleigh backscattered light of pulsed lasers. Three Shack-Hartmann WFS measure the wavefront distortion in the Ground Layer. The SLOpe Detection And Ranging (SLODAR) is a method used to measure the turbulence profiles. Cross correlation of wavefronts gradient from multiple stars is used to estimate the relative strengths of turbulent layers at different altitudes. We present here the results on sky of the SLODAR profile on ARGOS.

Citation Download Citation

Tommaso Mazzoni, Lorenzo Busoni, Marco Bonaglia, and Simone Esposito "Atmospheric turbulence profiling using the SLODAR technique with ARGOS at LBT", Proc. SPIE 9909, Adaptive Optics Systems V, 99093R (27 July 2016); https://doi.org/10.1117/12.2234268

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