Near ground horizontal high resolution C2n profiling from Shack-Hartmann slope and scintillation data
Applied Optics, ISSN: 2155-3165, Vol: 60, Issue: 34, Page: 10499-10519
2021
- 9Citations
- 10Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
Coupled slope and scintillation detection and ranging (CO-SLIDAR) is a very promising technique for the metrology of near ground C2 n profiles. It exploits both phase and scintillation measurements obtained with a dedicated wavefront sensor and allows profiling on the full line of sight between pupil and sources. This technique is applied to an associated instrument based on a mid-IR Shack-Hartmann wavefront sensor coupled to a 0.35 m telescope, which observes two cooperative sources. This paper presents what we believe is the first comprehensive description of the CO-SLIDAR method in the context of near-ground optical turbulence metrology. It includes the presentation of the physics principles underlying the measurements of our unsupervised C2 n profile reconstruction strategy together with the error bar estimation on the reconstructed values. The application to data acquired in a heterogeneous rural landscape during an experimental campaign in Lannemezan, France, demonstrates the ability to obtain profiles with a sampling pitch of about 220 m over a 2.7 km line of sight. The retrieved C2 n profiles are presented and their variability in space and time is discussed.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85120082395&origin=inward; http://dx.doi.org/10.1364/ao.438170; http://www.ncbi.nlm.nih.gov/pubmed/35200911; https://opg.optica.org/abstract.cfm?URI=ao-60-34-10499; https://dx.doi.org/10.1364/ao.438170; https://opg.optica.org/ao/abstract.cfm?uri=ao-60-34-10499
Optica Publishing Group
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