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Proceedings Paper

Turbulence profiling using wide field of view Hartmann-Shack wavefront sensors
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Paper Abstract

Solar telescopes equipped with wide field of view Hartmann-Shack wavefront sensors (WFWFS) can be used to measure the vertical distribution of optical turbulence strength at daytime.1 The method is based on the computation of the angular covariance of local image displacements within the subapertures of the WFWFS, similar to the SLODAR method which is used at nighttime telescopes.2 In this paper the basic principles of the method are summarized, and practical limitations are shown. Moreover, the influence of compensating ground-layer turbulence with a single conjugated adaptive optics system (SCAO) on the angular covariance functions is modeled.

Paper Details

Date Published: 15 July 2008
PDF: 12 pages
Proc. SPIE 7015, Adaptive Optics Systems, 70155O (15 July 2008); doi: 10.1117/12.789553
Show Author Affiliations
T. A. Waldmann, Kiepenheuer-Institut für Sonnenphysik (Germany)
T. Berkefeld, Kiepenheuer-Institut für Sonnenphysik (Germany)
O. von der Lühe, Kiepenheuer-Institut für Sonnenphysik (Germany)

Published in SPIE Proceedings Vol. 7015:
Adaptive Optics Systems
Norbert Hubin; Claire E. Max; Peter L. Wizinowich, Editor(s)

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