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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 4 — Feb. 1, 2014
  • pp: 685–693

Feasibility study of a layer-oriented wavefront sensor for solar telescopes

Jose Marino and Friedrich Wöger  »View Author Affiliations

Applied Optics, Vol. 53, Issue 4, pp. 685-693 (2014)

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Solar multiconjugate adaptive optics systems rely on several wavefront sensors, which measure the incoming turbulent phase along several field directions to produce a tomographic reconstruction of the turbulent phase. In this paper, we explore an alternative wavefront sensing approach that attempts to directly measure the turbulent phase present at a particular height in the atmosphere: a layer-oriented cross-correlating Shack–Hartmann wavefront sensor (SHWFS). In an experiment at the Dunn Solar Telescope, we built a prototype layer-oriented cross-correlating SHWFS system conjugated to two separate atmospheric heights. We present the data obtained in the observations and complement these with ray-tracing computations to achieve a better understanding of the instrument’s performance and limitations. The results obtained in this study strongly indicate that a layer-oriented cross-correlating SHWFS is not a practical design to measure the wavefront at a high layer in the atmosphere.

© 2014 Optical Society of America

OCIS Codes
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(110.6770) Imaging systems : Telescopes
(350.1260) Other areas of optics : Astronomical optics
(110.0115) Imaging systems : Imaging through turbulent media
(110.1080) Imaging systems : Active or adaptive optics

ToC Category:
Imaging Systems

Original Manuscript: October 28, 2013
Revised Manuscript: December 17, 2013
Manuscript Accepted: December 18, 2013
Published: January 29, 2014

Jose Marino and Friedrich Wöger, "Feasibility study of a layer-oriented wavefront sensor for solar telescopes," Appl. Opt. 53, 685-693 (2014)

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