Ambient alignment verification of JWST-MIRI

被引:0
|
作者
Ferlet, Marc [1 ]
Wells, Martyn [2 ]
机构
[1] STFC Rutherford Appleton Lab, Harwell Sci & Innovat Campus, Didcot OX11 0QX, Oxon, England
[2] Royal Observ, STFC UK Astron Technol Ctr, Edinburgh EH9 3HJ, Midlothian, Scotland
来源
SPACE TELESCOPES AND INSTRUMENTATION 2012: OPTICAL, INFRARED, AND MILLIMETER WAVE | 2012年 / 8442卷
关键词
JWST; MIRI; alignment; verification; focus; pupil shear;
D O I
10.1117/12.925963
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report on the alignment verification activities using optical visible techniques, and performed at ambient temperature before and after environmental and qualification tests, on the Mid InfraRed Instrument (MIRI), one of the scientific instruments on-board the James Webb Space Telescope (JWST). More specifically, the method developed to measure some of the instrument key parameters, such as pupil shear and focus offset, is explained in details. We describe the chosen approach, the associated common hardware, the initial set-up and alignment, then discuss the measurements themselves and finally the data analysis, before concluding on the successful application of such approach to the optical characterization of the MIRI flight model.
引用
收藏
页数:12
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