Mirror module design of x-ray telescopes of eXTP mission | |
Basso, S.3; Civitani, M.3; Pareschi, G.3; Sironi, G.3; Spiga, D.3; Tagliaferri, G.3; Wang, J.1; Yang, Y.1; Xu, Y.1; Chen, Y.1 | |
2019 | |
会议日期 | 2019-08-13 |
会议地点 | San Diego, CA |
关键词 | eXTP X-ray optic Mirror module polarimeter X-ray telescope |
卷号 | 11119 |
DOI | 10.1117/12.2530807 |
英文摘要 | The eXTP (enhanced X-Ray Timing and Polarimetry) mission is a Chinese science space mission developed in collaboration with many international countries. Devoted to observations in the X-ray band, with imaging, spectroscopic, timing and polarimetry capabilities, is now entering phase B. The payload includes 9 Spectroscopic Focusing Array (SFA) and 4 Polarimetry Focusing Array (PFA) telescopes. The SFA telescopes, equipped with SDDs, have a spatial resolution of 1 arcmin, while the PFA telescopes, equipped with imaging gas pixel photoelectric polarimeters, have a spatial resolution of 30 arcsec. Both optics work in the 0.5-10 keV range with a focal length of 5.25 m and a field of view of 12 arcmin. The technology used for the optics production is Nickel electroforming from super-polished mandrels, like many previous successful X-ray missions. The reflecting coating is a double layer Au+C, which ensures optimal response at high and low energies. The PFA and SFA have the same optical design, in order to minimize the number of mandrels to be produced. In this paper, we present the optical design of these telescopes assisted with raytracing and a preliminary concept for the mechanical design supported by FEM simulation. |
产权排序 | 3 |
会议录 | OPTICS FOR EUV, X-RAY, AND GAMMA-RAY ASTRONOMY IX |
会议录出版者 | SPIE |
语种 | 英语 |
ISSN号 | 0277-786X;1996-756X |
ISBN号 | 978-1-5106-2932-5 |
WOS记录号 | WOS:000535242800002 |
内容类型 | 会议论文 |
源URL | [http://ir.opt.ac.cn/handle/181661/93473] |
专题 | 西安光学精密机械研究所_光电子学研究室 |
作者单位 | 1.Inst High Energy Phys, IHEP, 19B Yuquan Rd, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, XIOPM, 17 Xinxi Rd, Xian, Shaanxi, Peoples R China 3.INAF Brera Astron Observ, Via E Bianchi 46, I-23807 Merate, Italy |
推荐引用方式 GB/T 7714 | Basso, S.,Civitani, M.,Pareschi, G.,et al. Mirror module design of x-ray telescopes of eXTP mission[C]. 见:. San Diego, CA. 2019-08-13. |
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