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Turbulence profiler and seeing monitor for laser guide star adaptive optics
2003
Adaptive Optical System Technologies II
We have developed a system for real-time monitoring of the optical turbulence altitude profile in the atmosphere above large telescopes. A high order Shack-Hartmann wavefront sensor is used to observe bright binary stars, and the turbulence profile is recovered from a cross-correlation of the measured wavefront slopes. This method is referred to as SLODAR (SLOpe Detection And Ranging), by analogy with the well-known SCIDAR binary star scintillation profiling technique. SLODAR can be implemented
doi:10.1117/12.473373
fatcat:tnlmkbqrwzaqzla672o2b2qeu4