Photon return on-sky test for “by-product” Rayleigh plume of sodium laser guide star
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.127515
Abstract: The sodium laser guide star (sLGS) adaptive optics (AO) system has become an essential component for large ground-based optical/infrared telescope. The performance of the AO system can be significantly hindered if the on-sky spot profile… read more here.
Keywords: laser; turbulence; guide star; laser guide ... See more keywords
Impact of Laser Guide Star facilities on neighbouring telescopes: the case of GTC, TMT, VLT, and ELT lasers and the Cherenkov Telescope Array
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty2188
Abstract: Powerful Laser Guide Star (LGS) systems are standard for the next-generation of extremely large telescopes. However, modern earth-based astronomy has gone through a process of concentration on few sites with exceptional sky quality, resulting in… read more here.
Keywords: tmt; telescope; guide star; laser guide ... See more keywords
Metasurface-based toroidal lenslet array design for addressing laser guide star elongation
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Astronomical Telescopes, Instruments, and Systems"
DOI: 10.1117/1.jatis.10.4.049002
Abstract: Abstract. The Giant Magellan Telescope will use laser tomography adaptive optics to correct for atmospheric turbulence using artificial guide stars created in the sodium layer of the atmosphere (altitude ≈90 km). The sodium layer has appreciable… read more here.
Keywords: laser guide; guide star; design;