A Laser-Induced Breakdown Spectroscopy Experiment Platform for High-Degree Simulation of MarSCoDe In Situ Detection on Mars

A Laser-Induced Breakdown Spectroscopy Experiment Platform for High-Degree Simulation of MarSCoDe In Situ Detection on Mars
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高度模拟MarSCoDe火星原位探测的激光诱导击穿光谱实验平台

DOI:
10.3390/rs14091954
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发表时间:
2022-04
期刊:
影响因子:
5
通讯作者:
Xuesen Xu
Xuesen Xu
中科院分区:
工程技术2区
文献类型:
--
作者:
Zhicheng Cui;Liangchen Jia;Luning Li;Xiangfeng Liu;Weiming Xu;Rong Shu;Xuesen Xu

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中国天问一号使命的祝融号火星车于2021年5月开始在火星上进行巡视。作为祝融号火星车搭载的主要科学载荷,火星表面成分探测器(MarSCoDe)仪器采用激光诱导击穿光谱(LIBS)技术,对火星物质的化学成分进行探测和分析。本文介绍了一种能够建立模拟火星大气环境的实验平台,其中放置了MarSCoDe飞行模型的复制模型。在模拟环境中,极限真空度可达10−5 Pa水平,温度可在−190 °C ~+180 °C之间变化,可按所需比例充入不同气体并混合。此外,样品台可以沿着真空室内的轨道移动,使得检测距离能够在1.5 m至7 m之间变化。初步实验结果表明,该平台能够很好地模拟火星上MarSCoDe原位LIBS探测场景。
The Zhurong rover of China’s Tianwen-1 mission started its inspection tour on Mars in May 2021. As a major scientific payload onboard the Zhurong rover, the Mars Surface Composition Detector (MarSCoDe) instrument adopts laser-induced breakdown spectroscopy (LIBS) to detect and analyze the chemical composition of Martian materials. This paper introduces an experimental platform capable of establishing a simulated Martian atmospheric environment, in which a duplicate model of the MarSCoDe flight model is placed. In the simulated environment, the limit vacuum degree can reach 10−5 Pa level, the temperature can change from −190 °C to +180 °C, and different gases can be filled and mixed according to desired proportion. Moreover, the sample stage can move along a track inside the vacuum chamber, enabling the detection distance to vary from 1.5 m to 7 m. Preliminary experimental results indicate that this platform is able to simulate the scenario of MarSCoDe in situ LIBS detection on Mars well.
DOI: 10.1088/0957-0233/17/8/031
发表时间: 2006-08-01
影响因子: 2.4
作者:
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