19 July 2010 Hyper Suprime-Cam: camera design
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Abstract
Hyper Suprime-Cam (HSC) is the next generation wide-field imager for the prime focus of Subaru Telescope, which is scheduled to receive its first light in 2011. Combined with a newly built wide-field corrector, HSC covers 1.5 degree diameter field of view with 116 fully-depleted CCDs. In this presentation, we summarize the details of the camera design: the wide-field corrector, the prime focus unit, the CCD dewar and the peripheral devices. The wide-field corrector consists of 5 lenses with lateral shift type doublet ADC element. The novel design guarantees the excellent image quality (D80 <0".3) over the field of view. On the focal plane, 116 CCDs are tiled on the cold plate which is made of Silicon Carbide (SiC) and cooled down to -100 degrees by two pulse tube coolers. The system is supported by the prime focus unit which provides a precise motion of the system to align the wide-field corrector and the CCD dewar to the optical axis of the telescope.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yutaka Komiyama, Yutaka Komiyama, Hiroaki Aihara, Hiroaki Aihara, Hiroki Fujimori, Hiroki Fujimori, Hisano Furusawa, Hisano Furusawa, Yukiko Kamata, Yukiko Kamata, Hiroshi Karoji, Hiroshi Karoji, Satoshi Kawanomoto, Satoshi Kawanomoto, Sogo Mineo, Sogo Mineo, Hironao Miyatake, Hironao Miyatake, Satoshi Miyazaki, Satoshi Miyazaki, Tomoki Morokuma, Tomoki Morokuma, Hidehiko Nakaya, Hidehiko Nakaya, Kyoji Nariai, Kyoji Nariai, Yoshiyuki Obuchi, Yoshiyuki Obuchi, Yuki Okura, Yuki Okura, Yoko Tanaka, Yoko Tanaka, Tomohisa Uchida, Tomohisa Uchida, Fumihiro Uraguchi, Fumihiro Uraguchi, Yosuke Utsumi, Yosuke Utsumi, Makoto Endo, Makoto Endo, Yutaka Ezaki, Yutaka Ezaki, Toru Matsuda, Toru Matsuda, Yoshinori Miwa, Yoshinori Miwa, Hideo Yokota, Hideo Yokota, Shiang-Yu Wang, Shiang-Yu Wang, Eric J.-Y. Liaw, Eric J.-Y. Liaw, Hsin-Yo Chen, Hsin-Yo Chen, Chyi-Fong Chiu, Chyi-Fong Chiu, Dun-Zen Jeng, Dun-Zen Jeng, } "Hyper Suprime-Cam: camera design", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77353F (19 July 2010); doi: 10.1117/12.856856; https://doi.org/10.1117/12.856856
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