Abstract 139

Submitted by Eric GENDRON

Authors

E. Gendron, M. Brangier, G. Chenegros, F. Vidal, Z. Hubert, G. Rousset, F. Pouplard

Affiliations

LESIA, Observatoire de Paris, CNRS, UPMC, Université Paris Diderot; 5, Place Jules Janssen, 92190 Meudon, France

Abstract

We present a new concept for an optical differentiation wavefront sensor, featuring a high number of phase measurements across the pupil, with a linear response versus the phase gradient. We show measurements with this sensor, obtained though turbulence on a elongated laser spot.