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拉曼光谱对月面典型矿物中水冰的定量检测
作者:
作者单位:

1.国科大杭州高等研究院 物理与光电工程学院，浙江 杭州 310024;2.中国科学院上海技术物理研究所 中国科学院空间主动光电技术重点实验室，上海 200083;3.上海理工大学 光电信息与计算机工程学院，上海 200093;4.中国科学院上海光学精密机械研究所，上海 201800

中图分类号:

O433;O657.37

基金项目:

国家重大专项（CEY101-7-X）；上海自然科学基金（23ZR1473200）；中国科学院空间主动光电技术重点实验室基金（CXJJ-22S019）；浙江省自然科学基金白马湖实验室区域创新发展联合基金资助项目（LBMHZ24F050003）；国科大杭州高等研究院专项资金资助


Quantitative Detection of water / ice in typical lunar minerals using Raman spectroscopy
Author:
Affiliation:

1.School of Physics and Optoelectronic Engineering， Hangzhou Institute for Advanced Study， University of Chinese Academy of Sciences， Hangzhou 310024， China;2.Key Laboratory of Space Active Opto-Electronics Technology， Shanghai Institute of Technical Physics， Chinese Academy of Sciences， Shanghai 200083， China;3.School of Optical-Electrical and Computer Engineering， University of Shanghai for Science and Technology， Shanghai 200093， China;4.Shanghai Institute of Optics and Fine Mechanics， Chinese Academy of Sciences， Shanghai 201800， China

Fund Project:

Supported by the National Key Special Project （CEY101-7-X）， the Natural Science Foundation of Shanghai Municipality （23ZR1473200） and the Key Laboratory of Space Active Opto-electronics Technology， Chinese Academy of Sciences （CXJJ-22S019）， the Baima Lake Laboratory Joint Funds of the Zhejiang Provincial Natural Science Foundation of China under Grant （LBMHZ24F050003）， the Research Funds of Hangzhou Institute for Advanced Study， UCAS

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    摘要:

    月面物质中的水可以促进月球地质和环境的演变，并为月球资源利用提供所需的条件。由于月球遥感探测手段存在分辨率低的缺点，使获得水冰的直接证据或确定水冰的赋存形态存在困难。激光拉曼光谱具有无需光照、无需样品预处理且无损地获得月岩和矿物以及水体的指纹信息的优势，能为月面物质的类型、分布范围甚至含量提供直接有利的信息。本文利用拉曼光谱法对典型月岩/矿物以及吸附水、冰、结晶水和羟基结构水等形态的含水特征进行检测，并对水体含量进行定量分析。首先，利用532 nm激光显微拉曼对月面典型矿物和模拟月壤中多种形态的水进行含水信号识别与特征分析。其次，检验并分析了模拟月壤中吸附水、结晶水和羟基结构水的检测限，及其含量与信号强度间存在的规律。然后，利用岭回归、偏最小二乘回归、线性回归对模拟月壤中三种形态水的不同含量进行定量分析。实验结果表明，能明确识别月壤模拟物中四种形态水的特征谱峰，其中模拟月壤组分和水体的峰位分布区域分别位于100~1 700 cm-1和2 600~3 900 cm-1，且水体的特征谱峰体现为不同比例的氢键OH的宽包络峰和无氢键OH伸缩振动尖峰的组合；模拟月壤中吸附水、结晶水（MgSO4·7H2O）、羟基水（Al2Si2O5（OH）4）检测下限分别为1.3 wt%，0.8 wt%和0.3 wt%；模拟月壤中含水谱峰强度与含水量之间呈线性关系，利用线性回归、岭回归和偏最小二乘回归定量分析的均方根误差分别为1.75 wt%、1.16 wt%和1.19 wt%。

    Abstract:

    The presence of water in lunar materials can significantly impact the evolution of lunar geology and environment， as well as provide necessary conditions for the utilization of lunar resources. However， due to the limitations of lunar remote sensing methods， it is challenging to obtain direct evidence of water or determine its form of occurrence. Laser Raman spectroscopy， on the other hand， can provide valuable information on the type， distribution， and content of water in lunar materials without the need for illumination， sample pretreatment， or destructive measures. In this study， we utilized Raman spectroscopy to detect and quantify the water-containing characteristics of typical lunar rocks and minerals， including adsorbed water， ice， crystalline water， and hydroxyl-structured water. First， we used a 532 nm laser micro-Raman spectroscopy to identify and analyze the water-containing signals of various forms of water in lunar soil simulants. We then examined and analyzed the detection limits of adsorbed water， crystalline water， and hydroxyl-structured water in these simulants， as well as the relationship between their content and signal intensity. Finally， we employed linear regression （LR）， ridge regression （RR）， and partial least squares regression （PLSR） to quantitatively analyze the contents of these three forms of water in the lunar soil simulants. Our results demonstrate that the characteristic spectral peaks of the four forms of water in the lunar soil simulants can be clearly identified， with peak distribution regions located at 100-1 700 cm-1 and 2 600-3 900 cm-1 for the lunar soil components and water bodies， respectively. The spectral peaks of water are a combination of broad envelope peaks of hydrogen-bonded OH and sharp peaks of non-hydrogen-bonded OH stretching vibrations in varying proportions. The detection limits for adsorbed water， crystalline water （MgSO4·7H2O）， and hydroxyl water （Al2Si2O5（OH）4） in the lunar soil simulants are 1.3 wt%， 0.8 wt%， and 0.3 wt%， respectively. There is a linear relationship between the intensity of water-containing peaks and the water content in the lunar soil simulants， with root mean square errors of 1.75 wt%， 1.16 wt%， and 1.19 wt% obtained through LR， RR， and PLSR.

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闻道远天,赵海艇,刘向锋,徐卫明,许学森,雷欣瑞,舒嵘.拉曼光谱对月面典型矿物中水冰的定量检测[J].红外与毫米波学报,2025,44(2):187~197]. WEN Dao-Yuan-Tian, ZHAO Hai-Ting, LIU Xiang-Feng, XU Wei-Ming, XU Xue-Sen, LEI Xin-Rui, SHU Rong. Quantitative Detection of water / ice in typical lunar minerals using Raman spectroscopy[J]. J. Infrared Millim. Waves,2025,44(2):187~197.]

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  • 收稿日期:2024-07-17
  • 最后修改日期:2025-02-13
  • 录用日期:2024-09-05
  • 在线发布日期: 2025-02-08
  • 出版日期: 2025-04-25
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