Physics – Optics
Scientific paper
Jul 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003apopt..42.3705s&link_type=abstract
Applied Optics, Volume 42, Issue 19, pp. 3705-3720 (2003).
Physics
Optics
5
Atmospheric Optics, Adaptive Optics, Astronomical Telescopes, Calibration, Error Analysis, Image Reconstruction, Atmospheric Turbulence
Scientific paper
We present a detailed investigation of different methods of the characterization of atmospheric turbulence with the adaptive optics systems of the W. M. Keck Observatory. The main problems of such a characterization are the separation of instrumental and atmospheric effects and the accurate calibration of the devices involved. Therefore we mostly describe the practical issues of the analysis. We show that two methods, the analysis of differential image motion structure functions and the Zernike decomposition of the wave-front phase, produce values of the atmospheric coherence length r0 that are in excellent agreement with results from long-exposure images. The main error source is the calibration of the wave-front sensor. Values determined for the outer scale Lo are consistent between the methods and with typical Lo values found at other sites, that is, of the order of tens of meters.
Chanan Gary A.
Le Mignant David
Schöck Matthias
van Dam Marcos A.
Wizinowich Peter L.
No associations
LandOfFree
Atmospheric turbulence characterization with the Keck adaptive optics systems. I. Open-loop data does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Atmospheric turbulence characterization with the Keck adaptive optics systems. I. Open-loop data, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Atmospheric turbulence characterization with the Keck adaptive optics systems. I. Open-loop data will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1465657