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Proceedings Paper

Turbulence characterization at the Nasmyth focal plane of the VLT Melipal
Author(s): Johann Kolb
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Paper Abstract

The Multi-conjugate Adaptive optics Demonstrator (MAD) has been developed by ESO, and installed at the Nasmyth focal plane of the Very Large Telescope Melipal at Cerro Paranal in Chile. Thanks to the multi-dimensional sensing and correction of MAD, the measurements recorded while the system is performing MCAO can be analyzed to retrieve the instantaneous characteristics of the turbulence seen from the focal plane of the telescope: seeing and turbulence profile. In this paper those measurements will be compared to the ones given by other tools at disposition at the focal plane: the guide probe and the active optics sensor, and at another location on the Paranal platform: DIMM and MASS.

Paper Details

Date Published: 14 July 2008
PDF: 12 pages
Proc. SPIE 7015, Adaptive Optics Systems, 70154O (14 July 2008); doi: 10.1117/12.789457
Show Author Affiliations
Johann Kolb, European Southern Observatory (Germany)


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

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