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Proceedings Paper

ELP-OA: measuring the wavefront tilt without a natural guide star
Author(s): Matthias Schoeck; Jean-Paul Pique; Alain Denis Petit; Patrick Chevrou; Vincent Michau; Gilbert Grynberg; Arnold Migus; Nancy Ageorges; Veronique Bellanger; Francois Biraben; Ruy Deron; Hayden Fews; Francoise-Claude Foy; Claudia Karin Hoegemann; Markus Laubscher; Daniel Mueller; Celine d'Orgeville; Olivier Peillet; Mike Redfern; Renaud Foy; Patricia Segonds; Richard A. J. Soden; Michel Tallon; Eric Thiebaut; Andrei A. Tokovinin; Jerome Vaillant; Jean-Marc Weulersse
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Paper Abstract

We describe the current status of the ELP-OA project in which we try to demonstrate in practice that it is possible to measure the tilt of a wave front using only a polychromatic laser guide star and no natural guide star. The first phase of ELP-OA, consisting of feasibility experiments, has recently been completed successfully. This paper provides an overview over the results of this first phase and over the continuation of the ELP-OA project.

Paper Details

Date Published: 17 November 2000
PDF: 12 pages
Proc. SPIE 4125, Propagation and Imaging through the Atmosphere IV, (17 November 2000); doi: 10.1117/12.409304
Show Author Affiliations
Matthias Schoeck, Observatoire de Lyon (United States)
Jean-Paul Pique, Univ. Joseph Fourier (France)
Alain Denis Petit, CEA Saclay (France)
Patrick Chevrou, CEA Valrho/Pierrelatte (France)
Vincent Michau, ONERA (France)
Gilbert Grynberg, Ecole Normale Superieure (France)
Arnold Migus, Ecole Polytechnique (France)
Nancy Ageorges, National Univ. of Ireland, Galway (Chile)
Veronique Bellanger, CEA Saclay (France)
Francois Biraben, Ecole Normale Superieure (France)
Ruy Deron, ONERA (France)
Hayden Fews, National Univ. of Ireland, Galway (Ireland)
Francoise-Claude Foy, Observatoire de Lyon (France)
Claudia Karin Hoegemann, Observatoire de Lyon (Spain)
Markus Laubscher, Univ. Joseph Fourier (Switzerland)
Daniel Mueller, Univ. Joseph Fourier (France)
Celine d'Orgeville, Univ. Joseph Fourier (France)
Olivier Peillet, CEA Valrho/Pierrelatte (France)
Mike Redfern, National Univ. of Ireland, Galway (United Kingdom)
Renaud Foy, Observatoire de Lyon (France)
Patricia Segonds, Univ. Joseph Fourier (France)
Richard A. J. Soden, Univ. Joseph Fourier (France) and Observatoire de Lyon (Switzerland)
Michel Tallon, Observatoire de Lyon (France)
Eric Thiebaut, Observatoire de Lyon (France)
Andrei A. Tokovinin, Observatoire de Lyon (Chile)
Jerome Vaillant, Observatoire de Lyon (France)
Jean-Marc Weulersse, CEA Saclay (France)

Published in SPIE Proceedings Vol. 4125:
Propagation and Imaging through the Atmosphere IV
Michael C. Roggemann, Editor(s)

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