Yury Dobrolenskiy, S. Mantsevich, N. Evdokimova, O. Korablev, A. Fedorova, Y. Kalinnikov, N. Vyazovetskiy, A. Titov, A. Stepanov, A. Sapgir, Ilya Dzyuban, R. Kuzmin, Y. Ivanov, I. Syniavskyi, V. Petrov, V. Smol'yaninova, A. Dokuchaev
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引用次数: 3
摘要
介绍了为ExoMars 2020太空任务研制的近红外声光光谱仪ISEM (Infrared spectrometer for ExoMars)。该仪器的目标是研究火星表面，特别是通过测量近红外光谱范围内反射的太阳辐射来研究最上层风化层的矿物学成分，可能还有岩石学成分。该仪器的波长范围为1.15 ~ 3.3 μm，光谱分辨率为~25 cm-1，圆视场(FOW)约为1°。该光谱仪由光学箱和电子箱两部分组成。光学盒将安装在火星探测器桅杆的顶部，以提供更好的视野。在这里，我们介绍了仪器的描述和光学设计，以及实验室校准和火星模拟样品的地面测量的第一个结果。
Acousto-optic spectrometer ISEM for ExoMars-2020 space mission: ground measurements and calibrations
We describe near-infrared acousto-optic (AO) spectrometer ISEM (Infrared Spectrometer for ExoMars) developed for ExoMars 2020 space mission. The instrument goal is to investigate Martian surface and in particular to study mineralogical and, probably, petrographic composition of the uppermost regolith layer of the regolith by measuring reflected solar radiation in the near infrared spectral range. The instrument covers the wavelength range from 1.15 to 3.3 μm with the spectral resolution of ~25 cm-1 and has a circular field of view (FOW) of about 1°. The spectrometer consists of two parts: optical box and electronic box. The optical box is to be mounted on the top of the Martian rover’s mast providing better field of vision. Here we present the instrument description and optical design as well as the first results of laboratory calibrations and ground-based measurements of the Martian analogue samples.
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