METIS: THE VISIBLE AND UV CORONAGRAPH FOR SOLAR ORBITER

被引:11
|
作者
Romoli, M. [1 ]
Landini, F. [2 ]
Antonucci, E. [3 ]
Andretta, V. [4 ]
Berlicki, A. [5 ]
Fineschi, S. [3 ]
Moses, J. D. [6 ]
Naletto, G. [7 ]
Nicolosi, P. [7 ]
Nicolini, G. [3 ]
Spadaro, D. [8 ]
Teriaca, L. [9 ]
Baccani, C. [1 ]
Focardi, M. [2 ]
Pancrazzi, M. [2 ]
Pucci, S. [1 ]
Abbo, L. [3 ]
Bemporad, A. [3 ]
Capobianco, G. [3 ]
Massone, G. [3 ]
Telloni, D. [3 ]
Magli, E. [10 ]
Da Deppo, V. [11 ]
Frassetto, F. [11 ]
Pelizzo, M. G. [11 ]
Poletto, L. [11 ]
Uslenghi, M. [12 ]
Vives, S. [13 ]
Malvezzi, M. [14 ]
机构
[1] Univ Florence, Dept Phys & Astron, Florence, Italy
[2] Osserv Astrofis Arcetri, INAF, Florence, Italy
[3] Osservatorio Astrofisico Torino, INAF, Torinese, Italy
[4] Osserv Astron Capodimonte, INAF, Naples, Italy
[5] Astron Inst Acad Sci, Ondrejov, Czech Republic
[6] Naval Res Lab, Washington, DC 20375 USA
[7] Univ Padua, Dept Informat Engn, Padua, Italy
[8] Osserv Astrofis Catania, INAF, Catania, Italy
[9] Max Plank Inst Sonnensyst Forschung, Gottingen, Germany
[10] Politecn Torino, Turin, Italy
[11] CNR, Inst Photon & Nanotechnol, Padua, Italy
[12] IASF, INAF, Milan, Italy
[13] Aix Marseille Univ, CNRS, LAM, Marseille, France
[14] Univ Pavia, Pavia, Italy
关键词
D O I
10.1117/12.2304274
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
METIS coronagraph is designed to observe the solar corona with an annular field of view from 1.5 to 2.9 degrees in the visible broadband (580-640 nm) and in the UV HI Lyman-alpha, during the Sun close approaching and high latitude tilting orbit of Solar Orbiter. The big challenge for a coronagraph is the stray light rejection. In this paper after a description of the present METIS optical design, the stray light rejection design is presented in detail together with METIS off-pointing strategies throughout the mission. Data shown in this paper derive from the optimization of the optical design performed with Zemax ray tracing and from laboratory breadboards of the occultation system and of the polarimeter.
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页数:11
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