Limits of turbulence and outer scale profiling with non-Kolmogorov statistics

Akseli Lehtonen, Carlos M. Correia, Tapio Helin

Forskningsoutput: TidskriftsbidragKonferensartikelVetenskapligPeer review

Sammanfattning

SLODAR (SLOpe Detection And Ranging) methods recover the atmospheric turbulence profile from cross-correlations of wavefront sensor (WFS) measurements, based on known turbulence models. Our work grows out of several experiments showing that turbulence statistics can deviate significantly from the classical Kolmogorov/ von Kármán models, especially close to the ground. We present a novel SLODAR-type method which simultaneously recovers both the turbulence profile in the atmosphere and the turbulence statistics at the ground layer - namely the slope of the spatial frequency power law. We consider its application to outer scale (L0)- reconstruction and investigate the limits of the joint estimation of such parameters.
Originalspråkengelska
Artikelnummer107036C
TidskriftProceedings of SPIE, the International Society for Optical Engineering
Volym10703
ISSN0277-786X
DOI
StatusPublicerad - 30 jul 2018
MoE-publikationstypA4 Artikel i en konferenspublikation
EvenemangSPIE Astronomical Telescopes + Instrumentation: Adaptive Optics Systems VI - Austin, Förenta Staterna (USA)
Varaktighet: 10 jun 201815 jun 2018

Vetenskapsgrenar

  • 111 Matematik
  • 115 Rymdvetenskap och astronomi

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