Bibcode
Berkefeld, Th.; Bettonvil, F.; Collados, M.; López, R.; Martín, Y.; Peñate, J.; Pérez, A.; Scharmer, G. B.; Sliepen, G.; Soltau, D.; Waldmann, T. A.; van Werkhoven, T.
Bibliographical reference
Ground-based and Airborne Telescopes III. Edited by Stepp, Larry M.; Gilmozzi, Roberto; Hall, Helen J. Proceedings of the SPIE, Volume 7733, pp. 77334I-77334I-10 (2010).
Advertised on:
7
2010
Citations
0
Refereed citations
0
Description
Seeing measurements are crucial for the optimum design of
(multi-conjugate) adaptive optics systems operating at solar telescopes.
For the design study of the 4-meter European Solar Telescope, to be
located in the Canary Islands, several instruments have been constructed
and operated, at the Observatorio del Roque de los Muchachos (La Palma)
and at the Observatorio del Teide (Tenerife), to measure the properties
of the ground layer and medium-high altitude turbulence. Several units
of short (42.34 cm) and two long (323.06 cm) scintillometer bars are, or
are to be, installed at both observatories. In addition to them, two
wide-field wavefront sensors will be attached to the optical beams of
the Swedish tower, on La Palma, and of the German VTT, on Tenerife,
simultaneously used with the normal operation of the telescopes. These
wavefront sensors are of Shack-Hartmann type with ~1 arcminute field of
view. In this contribution, the instruments setup and their performance
are described.