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A new sensor for laser tomography on ELTs

1st AO4ELT Conference - Adaptive Optics for Extremely Large Telescopes (2020)
DOI: 10.1051/ao4elt/201005003
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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 elongated laser spots.

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Gendron, E., Brangier, M., Chenegros, G., Vidal, F., Hubert, Z., Rousset, G., & Pouplard, F. (2020). A new sensor for laser tomography on ELTs. In 1st AO4ELT Conference - Adaptive Optics for Extremely Large Telescopes. EDP Sciences. https://doi.org/10.1051/ao4elt/201005003

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