Open Access
| Issue |
2010
|
|
|---|---|---|
| Article Number | 05003 | |
| Number of page(s) | 6 | |
| Section | Wave front sensing | |
| DOI | https://doi.org/10.1051/ao4elt/201005003 | |
| Published online | 24 February 2010 | |
1st AO4ELT conference, 05003 (2010)
A new sensor for laser tomography on ELTs
LESIA, Observatoire de Paris, CNRS, UPMC, Université Paris Diderot,
5, Place Jules Janssen, 92190
Meudon, France
a e-mail: eric.gendron at obspm.fr
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 elongated laser spots.
© Owned by the authors, published by EDP Sciences, 2010