Marin, Eduardo; Sivo, Gaetano; Garrel, Vincent; Andersen, Morten; Rigaut, Francois; van Dam, Marcos A; Neichel, Benoit; Moreno, Cristian; Chirre, Emmanuel; Hankla, A; Carrasco, Rodrigo
Sodium guide star technologies for Adaptive Optics (AO) have been around for over 20 years. During this time, the technologies for the lasers used to excite the mesospheric sodium have been in constant development, with the goals being not only to excite as much sodium as possible, but to do so efficiently, while producing a round guide star, and while offering a reliable facility. The first lasers in use were dye lasers with a liquid gain medium, while these lasers were able to produce sodium...[Show more]
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