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A. Laloge
Researcher at Centre national de la recherche scientifique
Publications - 4
Citations - 136
A. Laloge is an academic researcher from Centre national de la recherche scientifique. The author has contributed to research in topics: Adaptive optics & Laser guide star. The author has an hindex of 2, co-authored 4 publications receiving 125 citations.
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Proceedings ArticleDOI
The SOPHIE spectrograph: design and technical key-points for high throughput and high stability
S. Perruchot,D. Kohler,François Bouchy,Y. Richaud,Pierre Richaud,Gabriel Moreaux,M. Merzougui,R. Sottile,L. Hill,G. Knispel,X. Regal,Jean-Pierre Meunier,S. A. Ilovaisky,H. Le Coroller,D. Gillet,Jerome Schmitt,Francesco Pepe,M. Fleury,Danuta Sosnowska,P. Vors,Denis Mégevand,P. E. Blanc,C. Carol,A. Point,A. Laloge,J.-C. Brunel +25 more
TL;DR: SOPHIE as mentioned in this paper is a double-pass Schmidt echelle spectrograph associated with a high efficiency coupling fiber system, and including simultaneous wavelength calibration, which has been used to obtain accurate radial velocities.
Proceedings ArticleDOI
Setting up ELP-OA: the polychromatic laser guide star demonstrator
N. Meilard,R. Foy,Maud Langlois,Michel Tallon,Éric Thiébaut,Alain Denis Petit,A. Blazit,P. E. Blanc,J. Chombart,O. Fouche,A. Laloge,A. Le Van Suu,X. Regal,Jerome Schmitt,Michel Boer +14 more
TL;DR: The ELP-OA (Etoile Laser Polychromatique pour l'Optique Adaptative) projector as mentioned in this paper uses two pulsed dye lasers (at 569nm and 589nm) to produce a two-photons excitation of sodium particles in the mesosphere.
Proceedings ArticleDOI
ELP-OA: status report of the setup of the demonstrator of the Polychromatic Laser Guide Star at Observatoire de Haute-Provence
R. Foy,R. Foy,N. Meilard,Michel Tallon,Éric Thiébaut,P. E. Blanc,Michel Boer,J. Chombart,A. Laloge,A. Le Van Suu,S. Perruchot,X. Regal,Jerome Schmitt,Alain Denis Petit,T. Fusco +14 more
TL;DR: The ELP-OA (Etoile Laser polychromatique pour l'Optique Adaptative) projector as mentioned in this paper uses two pulsed dye laser beams with NdYAGs.
The polychromatic laser guide star : the elp-oa demonstrator at observatoire de haute provence
R. Foy,M. Chatagnat,D. Dubet,P. Éric,J. Eysseric,Francoise-Claude Foy,T. Fusco,Julien Girard,A. Laloge,A. Le Van Suu,B. Messaoudi,S. Perruchot,Pierre Richaud,Y. Richaud,X. Rondeau,Michel Tallon,Éric Thiébaut,M. Boer +17 more
TL;DR: In this article, the authors report the progress of the first demonstrator of the implementation of this concept, at Observatoire de Haute-Provence 1.52m telescope, including the beam propagation to the lasers room to the mesosphere and the algorithms for tip-tilt measurements.