14 September 2011 Optical design trade study for the Wide Field Infrared Survey Telescope [WFIRST]
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Abstract
The Wide Field Infrared Survey Telescope (WFIRST) mission concept was ranked first in new space astrophysics mission by the Astro2010 Decadal Survey incorporating the Joint Dark Energy Mission (JDEM)-Omega payload concept and multiple science white papers. This mission is based on a space telescope at L2 studying exoplanets (via gravitational microlensing), probing dark energy, and surveying the near infrared sky. Since the release of NWNH, the WFIRST project has been working with the WFIRST science definition team (SDT) to refine mission and payload concepts. We present the driving requirements. The current interim reference mission point design, based on the use of a 1.3m unobscured aperture three mirror anastigmat form, with focal imaging and slitless spectroscopy science channels, is consistent with the requirements, requires no technology development, and out performs the JDEM-Omega design.
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D. A. Content, D. A. Content, R. Goullioud, R. Goullioud, J. P. Lehan, J. P. Lehan, J. E. Mentzell, J. E. Mentzell, } "Optical design trade study for the Wide Field Infrared Survey Telescope [WFIRST]", Proc. SPIE 8146, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts V, 81460Y (14 September 2011); doi: 10.1117/12.898528; https://doi.org/10.1117/12.898528
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