Abstract
<p indent=0mm>In the Tianwen-1 mission, China’s first Mars exploration, the lander/rover had safely landed in the south Utopian plain and conducted a series of scientific explorations. The Mars surface composition detector (MarSCoDe) equipped on the Zhurong rover uses remote laser-induced breakdown spectroscopy (LIBS) and short-wave infrared spectroscopy to perform the <italic>in situ</italic> detection of the elemental composition of surface soils, rocks, and minerals on Mars. In this paper, first, the basic components of this instrument suite are introduced. Second, the LIBS principle is described. Third, the spectral and radiation calibration of the LIBS spectrometer and its surveying distance and pointing angle calibration are described. Finally, the performance associated with the navigation and terrain cameras (NaTeCam) is presented. The results from the joint detection and analysis of the MarSCoDe and the NaTeCam show that the MarSCoDe can accurately fire the target and determine the elemental components.
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