Advances in control of a Pyramid Single Conjugate Adaptive Optics system
Date Issued
2021
Abstract
Adaptive optics systems are an essential technology for the modern astronomy
for ground based telescopes. One of the most recent revolution in the field is
the introduction of the pyramid wavefront sensor. The higher performance of
this device is payed with increased complexity in the control. In this work we
report about advances in the AO system control obtained with SOULat the Large
Binocular Telescope. The first is an improved Tip/Tilt temporal control able to
recover the nominal correction even in presence of high temporal frequency
resonances. The second one is a modal gain optimization that has been
successfully tested on sky for the first time. Pyramid wavefront sensors are
the key technology for the first light AO systems of all ELTs and the reported
advances can be relevant contributions for such systems.
Volume
508
Issue
2
Start page
1745
Issn Identifier
0035-8711
Ads BibCode
2021MNRAS.508.1745A
Rights
open.access
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