CONFERENCE PROCEEDINGS
Advanced Search
Home > Proceedings > Volume 12185 > Article
Presentation
29 August 2022 Laser Guide star wave-front sensor optimisation for AO-assisted instruments on Extremely Large Telescopes
Thierry Fusco, Guido Agapito, Benoît Neichel, Sylvain Oberti, Carlos Correia, Cédric Plantet, Pierre Haguenauer, Felipe Pedreros, Anne Costille, Pierre Jouve, Lorenzo Busoni, Kjetil Dohlen, Simone Esposito
Author Affiliations +
Proceedings Volume 12185, Adaptive Optics Systems VIII; 121851F (2022) https://doi.org/10.1117/12.2628917
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada
Abstract
Laser Guide Star wave-front sensing [LGSWFS] is a key element of tomographic Adaptive Optics system. For classical Shack-Hartmann Wave-Front Sensor, necessary trade-offs have to be made between the pupil spatial sampling, the sub-aperture field-of-view and the pixel sampling. For Extremely Large Telescope [ELT] scales, these trade-off are also driven by strong technical constraints, especially concerning the available detectors. We propose a sensitivity analysis, and we explore how these parameters impacts the final performance. We introduce the concept of super resolution, which allows to reduce the pupil sampling and allows proposing potential LGSWFS designs providing the best performance for ELT scales.
Conference Presentation
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation Download Citation
Thierry Fusco, Guido Agapito, Benoît Neichel, Sylvain Oberti, Carlos Correia, Cédric Plantet, Pierre Haguenauer, Felipe Pedreros, Anne Costille, Pierre Jouve, Lorenzo Busoni, Kjetil Dohlen, and Simone Esposito "Laser Guide star wave-front sensor optimisation for AO-assisted instruments on Extremely Large Telescopes", Proc. SPIE 12185, Adaptive Optics Systems VIII, 121851F (29 August 2022); https://doi.org/10.1117/12.2628917
ACCESS THE FULL ARTICLE
ORGANIZATIONAL
Sign in with credentials provided by your organization.
INSTITUTIONAL
Select your institution to access the SPIE Digital Library.
SELECT YOUR INSTITUTION
PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
PERSONAL SIGN IN
No SPIE Account? Create one
PURCHASE THIS CONTENT
SUBSCRIBE TO DIGITAL LIBRARY
50 downloads per 1-year subscription
Members: $195
Non-members: $335 ADD TO CART
25 downloads per 1 - year subscription
Members: $145
Non-members: $250 ADD TO CART
PURCHASE SINGLE ARTICLE
Includes PDF, HTML & Video, when available
Members: $17.00
Non-members: $21.00 ADD TO CART
PROCEEDINGS
 PRESENTATION
WATCH
PRESENTATION SAVE TO MY LIBRARY
GET CITATION
Advertisement
Advertisement
KEYWORDS
Sensors
Laser guide stars
Large telescopes
Tomography
Adaptive optics
Wavefront sensors
Optical instrument design
RELATED CONTENT
Subscribe to Digital Library
Receive Erratum Email Alert
Back to Top