Wide Field Infrared Survey Telescope [WFIRST]: Telescope design and simulated performance

被引：9
|
作者：
Goullioud, R. [1 ]
Content, D. A. [2 ]
Kuan, G. M. [1 ]
Moore, J. D. [1 ]
Chang, Z. [1 ]
Sunada, E. T. [1 ]
Villalvazo, J. [3 ]
Hawk, J. P. [2 ]
Armani, N. V. [4 ]
Johnson, E. L. [2 ]
Powell, C. A. [2 ]
机构：
[1] CALTECH, Jet Prop Lab, Pasadena, CA 91125 USA
[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA
[3] Appl Sci Lab Inc, Baldwin Park, CA USA
[4] SGT Inc, Greenbelt, MD USA
来源：
SPACE TELESCOPES AND INSTRUMENTATION 2012: OPTICAL, INFRARED, AND MILLIMETER WAVE | 2012年 / 8442卷
关键词：
WFIRST; Wide Field Imaging; Three Mirror Anastigmat; Telescope; Finite Element Analysis;
D O I：
10.1117/12.927808
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Wide Field Infrared Survey Telescope (WFIRST) mission concept was ranked first in new space astrophysics missions by the Astro2010 Decadal Survey, incorporating the Joint Dark Energy Mission 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 the Astro2010 Decadal Survey, the team has been working with the WFIRST Science Definition Team to refine mission and payload concepts. We present the current interim reference mission point design of the payload, based on the use of a 1.3m unobscured aperture three mirror anastigmat form, with focal imaging and slit-less spectroscopy science channels. We also present the first results of Structural/Thermal/Optical performance modeling of the telescope point design.
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页数：11
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