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Removing static aberrations from the active optics system of a wide-field telescope |
JOSA A, Vol. 29, Issue 7, pp. 1359-1366 (2012)
http://dx.doi.org/10.1364/JOSAA.29.001359
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Abstract
The wavefront sensor in active and adaptive telescopes is usually not in the optical path toward the scientific detector. It may generate additional wavefront aberrations, which have to be separated from the errors due to the telescope optics. The aberrations that are not rotationally symmetric can be disentangled from the telescope aberrations by a series of measurements taken in the center of the field, with the wavefront sensor at different orientation angles with respect to the focal plane. This method has been applied at the VLT Survey Telescope on the ESO Paranal observatory.
© 2012 Optical Society of America
OCIS Codes
(110.6770) Imaging systems : Telescopes
(220.1000) Optical design and fabrication : Aberration compensation
(350.1260) Other areas of optics : Astronomical optics
(350.1270) Other areas of optics : Astronomy and astrophysics
(110.1080) Imaging systems : Active or adaptive optics
(220.1080) Optical design and fabrication : Active or adaptive optics
ToC Category:
Optical Design and Fabrication
History
Original Manuscript: February 22, 2012
Revised Manuscript: April 28, 2012
Manuscript Accepted: May 17, 2012
Published: June 21, 2012
Citation
Pietro Schipani, Lothar Noethe, Carmelo Arcidiacono, Javier Argomedo, Massimo Dall’Ora, Sergio D’Orsi, Jacopo Farinato, Demetrio Magrin, Laurent Marty, Roberto Ragazzoni, and Gabriele Umbriaco, "Removing static aberrations from the active optics system of a wide-field telescope," J. Opt. Soc. Am. A 29, 1359-1366 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-7-1359
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