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Current status of the laser guide star upgrade at Subaru Telescope
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Paper Abstract

We report the current status of the laser guide star upgrade at Subaru Telescope with a new, more powerful TOPTICA/MPBC laser. While we recycle many of our existing components, such as laser launch telescope, we need to design a new mirror-based laser relay system to replace the current fiber-based relay to accommodate the high power beam. The laser unit has been delivered to Subaru office in March 2018 and installed in a testing lab in June 2018. We describe the preliminary design and its requirements and report future plans. This upgrade will not only improve our current adaptive optics system but also be the first step toward the future laser tomography and ground layer adaptive optics system at Subaru Telescope.

Paper Details

Date Published: 12 July 2018
PDF: 7 pages
Proc. SPIE 10703, Adaptive Optics Systems VI, 107033P (12 July 2018); doi: 10.1117/12.2314093
Show Author Affiliations
Etsuko Mieda, Subaru Telescope (United States)
Yoko Tanaka, Subaru Telescope (United States)
Matthew Wung, Subaru Telescope (United States)
Yosuke Minowa, Subaru Telescope (United States)
Christophe Clergeon, Subaru Telescope (United States)
Yoshito Ono, Subaru Telescope (United States)
Takashi Hattori, Subaru Telescope (United States)
Yutaka Hayano, National Astronomical Observatory of Japan (Japan)
Masayuki Akiyama, Tohoku Univ. (Japan)
Francois Rigaut, The Australian National Univ. (Australia)
Celine d'Orgeville, The Australian National Univ. (Australia)


Published in SPIE Proceedings Vol. 10703:
Adaptive Optics Systems VI
Laird M. Close; Laura Schreiber; Dirk Schmidt, Editor(s)

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