First tests of the coronagraphic device of MIRI/JWST
First tests of the coronagraphic device of MIRI/JWST
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MIRI/JWST 冠状动脉造影装置的首次测试
DOI：
10.1117/12.789089
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
G. Wright
中科院分区：
文献类型：
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作者：
C. Cavarroc;J. Amiaux;P. Baudoz;A. Boccaletti;P. Bouchet;D. Dubreuil;P. Lagage;V. Moreau;E. Pantin;J. Réess;S. Ronayette;G. Wright
JWST的中红外仪器MIRI的主要目标之一是直接探测太阳系外巨行星并确定其特征。为此，研制了一种由三个四象限相位掩模和一个在中红外波段工作的Lyot日冕仪组成的日冕仪。我们在这里提出的第一次测试活动的结果coronagraphic系统在中红外线的设施开发的CEA。的性能进行比较，从日冕模拟的预期。定心程序的准确性也进行了评估，以验证板上定心算法的选择。
One of the main objectives of the instrument MIRI, the Mid-InfraRed Instrument, of the JWST is the direct detection and characterization of extrasolar giant planets. For that purpose, a coronagraphic device including three Four-Quadrant Phase Masks and a Lyot coronagraph working in mid-infrared, has been developed. We present here the results of the first test campaign of the coronagraphic system in the mid-infrared in the facility developed at the CEA. The performances are compared to the expected ones from the coronagraphic simulations. The accuracy of the centering procedures is also evaluated to validate the choice of the on-board centering algorithm.