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http://dx.doi.org/10.5139/JKSAS.2011.39.5.451

Precision exploration of space resources using laser-induced breakdown spectroscopy  

Choi, Soo-Jin (서울대학교 기계항공공학부)
Yoh, Jai-Ick (서울대학교 기계항공공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.39, no.5, 2011 , pp. 451-457 More about this Journal
Abstract
A short laser pulse irradiates a sample to create the highly energetic plasma that emits light of a specific wavelength peak according to the material. By identifying different peaks for the analyzed samples, its chemical composition can be rapidly determined. The LIBS (Laser-Induced Breakdown Spectroscopy) has great advantages as an elemental analyzer on board a space rover, namely real-time rapid analysis and stand-off detection. The LIBS signal intensity is remarkably increased by using double-pulse LIBS system for component analysis of lunar environments where the surrounding pressure is low. Also the angle of target is adjusted for replicating arbitrary shapes of the specimen.
Keywords
Laser-Induced Breakdown Spectroscopy; Exploration of space resources; Plasma; Component analysis;
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