Current status of the laser guide star upgrade at Subaru Telescope
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Mieda, Etsuko
Tanaka, Yoko
Wung, Matthew
Minowa, Yosuke
Clergeon, Christophe
Ono, Yoshito
Hattori, Takashi
Hayano, Yutaka
Akiyama, Masayuki
Rigaut, Francois
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SPIE
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.
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Etsuko Mieda, Yoko Tanaka, Matthew Wung, Yosuke Minowa, Christophe Clergeon, Yoshito Ono, Takashi Hattori, Yutaka Hayano, Masayuki Akiyama, Francois Rigaut, Celine d'Orgeville, "Current status of the laser guide star upgrade at Subaru Telescope," Proc. SPIE 10703, Adaptive Optics Systems VI, 107033P (12 July 2018); doi: 10.1117/12.2314093
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Proceedings of SPIE - The International Society for Optical Engineering
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Open Access
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