Analysis of turbulent atmospheric layers with a wavefront sensor: testing the frozen flow hypothesis

Details Analysis of turbulent atmospheric layers with a wavefront sensor: testing the frozen flow hypothesis Analysis of turbulent atmospheric layers with a wavefront sensor: testing the frozen flow hypothesis

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999spie.3762..225s&link_type=abstract

Proc. SPIE Vol. 3762, p. 225-236, Adaptive Optics Systems and Technology, Robert K. Tyson; Robert Q. Fugate; Eds.

Physics

Optics

2

Scientific paper

We present a technique that can be used to quantify the frozen flow hypothesis with data from wavefront sensors such as those found in adaptive optics systems. The method is first tested with simulated data. Analyzing data from the 1.5-m and 3.5-m telescopes at the Starfire Optical Range, we then find that the frozen flow hypothesis is an accurate description of the temporal development of atmospheric turbulence on time scales on the order of 1-10 milliseconds, but that significant deviations from the frozen flow behavior are found for longer time scales.

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