The metrology cameras for Subaru PFS and FMOS

Shiang-Yu Wang; Yen-Shan Hu; Chi-Hung Yan; Yin-Chang Chang; Naoyuki Tamura; Naruhisa Takato; Atsushi Shimono; Jennifer Karr; Youichi Ohyama; Hsin-Yo Chen; Hung-Hsu Ling; Hiroshi Karoji; Hajime Sugai; Akitoshi Ueda

doi:10.1117/12.925772

24 September 2012 The metrology cameras for Subaru PFS and FMOS

Shiang-Yu Wang, Yen-Shan Hu, Chi-Hung Yan, Yin-Chang Chang, Naoyuki Tamura, Naruhisa Takato, Atsushi Shimono, Jennifer Karr, Youichi Ohyama, Hsin-Yo Chen, Hung-Hsu Ling, Hiroshi Karoji, Hajime Sugai, Akitoshi Ueda

Author Affiliations +

Proceedings Volume 8446, Ground-based and Airborne Instrumentation for Astronomy IV; 84464Z (2012) https://doi.org/10.1117/12.925772
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

The Prime Focus Spectrograph (PFS) is a new multi-fiber spectrograph on Subaru telescope. PFS will cover around 1.4 degree diameter field with ~2400 fibers. To ensure precise positioning of the fibers, a metrology camera is designed to provide the fiber position information within 5 μm error. The final positioning accuracy of PFS is targeted to be less than 10 μm. The metrology camera will locate at the Cassegrain focus of Subaru telescope to cover the whole focal plan. The PFS metrology camera will also serve for the existing multi-fiber infrared spectrograph FMOS.

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Shiang-Yu Wang, Yen-Shan Hu, Chi-Hung Yan, Yin-Chang Chang, Naoyuki Tamura, Naruhisa Takato, Atsushi Shimono, Jennifer Karr, Youichi Ohyama, Hsin-Yo Chen, Hung-Hsu Ling, Hiroshi Karoji, Hajime Sugai, and Akitoshi Ueda "The metrology cameras for Subaru PFS and FMOS", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84464Z (24 September 2012); https://doi.org/10.1117/12.925772

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