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Proceedings Paper

The spectrometers based on AOTF for in-situ lunar surface measurement
Author(s): Zhiping He; Chunlai Li; Rui Xu; Gang Lv; Liyin Yuan; Jianyu Wang
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Paper Abstract

Minerals such as pyroxene, plagioclase, olivine, and ilmenite, which constitute most of the lunar surface rocks with varying size and shape, have distinctive spectral characteristics in the VNIR and SWIR regions. To analyze the composition of lunar surface minerals, several spectrometers based on AOTF was developed to detect lunar surface objects and to obtain their reflectance spectra and geometric images includes the Visible and Near-IR Imaging Spectrometer(VNIS) onboard China’s Chang'E 3 and Chang’E 4 lunar rover and Lunar Mineralogical Spectrometer(LMS) onboard Chang'E 5 and Chang'E 6 lunar lander. These spectrometers, which use acoustic-optic tunable filters as dispersive components, consist of a VIS/NIR imaging spectrometer, an SWIR spectrometer, and a calibration unit with dust-proofing functionality. They are capable of synchronously acquiring the full spectra of lunar surface objects and performing in-situ calibration. This paper introduces these instruments, including their working principle, implementation, operation, and major specifications, as well as the initial scientific achievement of lunar surface exploration.

Paper Details

Date Published: 23 October 2018
PDF: 7 pages
Proc. SPIE 10780, Multispectral, Hyperspectral, and Ultraspectral Remote Sensing Technology, Techniques and Applications VII, 107800N (23 October 2018); doi: 10.1117/12.2324437
Show Author Affiliations
Zhiping He, Shanghai Institute of Technical Physics (China)
Chunlai Li, Shanghai Institute of Technical Physics (China)
Rui Xu, Shanghai Institute of Technical Physics (China)
Gang Lv, Shanghai Institute of Technical Physics (China)
Liyin Yuan, Shanghai Institute of Technical Physics (China)
Jianyu Wang, Shanghai Institute of Technical Physics (China)


Published in SPIE Proceedings Vol. 10780:
Multispectral, Hyperspectral, and Ultraspectral Remote Sensing Technology, Techniques and Applications VII
Allen M. Larar; Makoto Suzuki; Jianyu Wang, Editor(s)

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