19 July 2010 Hyper Suprime-Cam: camera design
Author Affiliations +
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, Hiroaki Aihara, Hiroki Fujimori, Hisano Furusawa, Yukiko Kamata, Hiroshi Karoji, Satoshi Kawanomoto, Sogo Mineo, Hironao Miyatake, Satoshi Miyazaki, Tomoki Morokuma, Hidehiko Nakaya, Kyoji Nariai, Yoshiyuki Obuchi, Yuki Okura, Yoko Tanaka, Tomohisa Uchida, Fumihiro Uraguchi, Yosuke Utsumi, Makoto Endo, Yutaka Ezaki, Toru Matsuda, Yoshinori Miwa, Hideo Yokota, Shiang-Yu Wang, Eric J.-Y. Liaw, Hsin-Yo Chen, Chyi-Fong Chiu, 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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