Shifted Excitation Raman Difference Spectroscopy applied to extraterrestrial particles returned from the asteroid Itokawa. (15th September 2017)

• Record Type: Journal Article
• Authors: Böttger, U.; Maiwald, M.; Hanke, F.; Braune, M.; Pavlov, S.G.; Schröder, S.; Weber, I.; Busemann, H.; Sumpf, B.; Tränkle, G.; Hübers, H.-W.
• Is Part Of: Planetary and space science. Volume 144(2017)
• Page Start: 106
• Page End: 111
• Publication Date: 2017-09-15
• Subjects: Space sciences -- Periodicals; Atmosphere, Upper -- Periodicals; Sciences spatiales -- Périodiques; Haute atmosphère -- Périodiques; 523
• DOI: 10.1016/j.pss.2017.05.004
• Languages: English
• ISSNs: 0032-0633

Abstract

Abstract: Two extraterrestrial particles from the asteroid Itokawa are investigated applying Shifted Excitation Raman Difference Spectroscopy (SERDS). These particles were returned by the Hayabusa mission of the Japanese Space Agency JAXA. For SERDS a diode laser based microsystem light source at 488 nm is used for excitation. It has been found that fluorescence signals masking the Raman spectral features of interest can be substantially separated by applying SERDS. Therefore, SERDS improves the information obtained from the Raman spectra and enables a reliable analysis for investigations on extraterrestrial samples. Highlights: Two extraterrestrial particles from the asteroid Itokawa are investigated applying SERDS. Fluorescence, ambient light and artifacts masking the Raman features can be substantially separated by applying SERDS. SERDS is of high relevance for in-situ space exploration.