Cascade adaptive optics with a second stage based on a Zernike wavefront sensor for exoplanet observations. Experimental validation on the ESO/GHOST testbed

Over the past decade, the high-contrast observation of disks and gas giant planets around nearby stars has been made possible with ground-based instruments using extreme adaptive optics (XAO). These facilities produce images with a Strehl ratio higher than 90 in the H band, in median observing condi...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2024-11, Vol.692
Hauptverfasser:	N'Diaye, M., Vigan, A., Engler, B., Kasper, M., Dohlen, K., Leveratto, S., Floriot, J., Marcos, M., Bailet, C., Bristow, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics Instrumentation and Methods for Astrophysic Sciences of the Universe
Online-Zugang:	Volltext
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