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Extraterrestrial Particles Examined by Shifted Excitation Raman Difference Spectroscopy

Hanke, Franziska and Böttger, Ute and Braune, Marcel and Busemann, H. and Hübers, Heinz-Wilhelm and Maiwald, M. and Pavlov, S.G. and Sumpf, B. and Tränkle, G. and Weber, I. (2016) Extraterrestrial Particles Examined by Shifted Excitation Raman Difference Spectroscopy. ICORS 2016, 2016-08-14 - 2016-08-19, Fortaleza, Brazil.

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Abstract

Shifted Excitation Raman Difference Spectroscopy (SERDS) was applied to extraterrestrial particles. These particles were returned from an S-type near-Earth asteroid 25143 (“Itokawa”) by the JAXA space probe mission “Hayabusa” in 2010. Sample return missions are of particular interest for space research, because of the available state-of-the-art ground-based techniques and instrumentation. After complex treatments for first investigations such as in, the particles were examined with Raman spectroscopy. These Raman spectra are as a rule masked by a broad intense background, dominantly due to enhanced fluorescence, and do not allow clear interpretation. SERDS was applied using 488 nm laser excitation wavelength in order to separate the Raman signal from the background and therefore, to enable clear identification of mineralogical composition of the particles. Knowledge of the mineralogical composition is, among others, a necessary condition for the derivation of the particles’ exposure ages that are important for understanding the evolutionary history of the asteroid’s regolith.

Item URL in elib:https://elib.dlr.de/107997/
Document Type:Conference or Workshop Item (Poster)
Title:Extraterrestrial Particles Examined by Shifted Excitation Raman Difference Spectroscopy
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Hanke, Franziskainstitut für optische sensorsystemeUNSPECIFIEDUNSPECIFIED
Böttger, Uteinstitut für optische sensorsystemeUNSPECIFIEDUNSPECIFIED
Braune, MarcelFerdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik Gustav-Kirchhoff-Str. 4, 12489 Berlin, GermanyUNSPECIFIEDUNSPECIFIED
Busemann, H.ETH Zürich, Institut für Geochemie und Petrologie, NW C 84, Clausiusstr. 25, 8092 Zürich, SwitzerlandUNSPECIFIEDUNSPECIFIED
Hübers, Heinz-Wilhelmdlr, institut für optische sensorsystemeUNSPECIFIEDUNSPECIFIED
Maiwald, M.Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik Gustav-Kirchhoff-Str. 4, 12489 Berlin, GermanyUNSPECIFIEDUNSPECIFIED
Pavlov, S.G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sumpf, B.Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik Gustav-Kirchhoff-Str. 4, 12489 Berlin, GermanyUNSPECIFIEDUNSPECIFIED
Tränkle, G.Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik Gustav-Kirchhoff-Str. 4, 12489 Berlin, GermanyUNSPECIFIEDUNSPECIFIED
Weber, I.institute of planetology münsterUNSPECIFIEDUNSPECIFIED
Date:2016
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Extraterrestrial Particles, Hayabusa, Shifted Excitation Raman Difference Spectroscopy (SERDS)
Event Title:ICORS 2016
Event Location:Fortaleza, Brazil
Event Type:international Conference
Event Start Date:14 August 2016
Event End Date:19 August 2016
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Vorhaben OptoRob (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems
Deposited By: Böttger, Dr.rer.nat. Ute
Deposited On:21 Nov 2016 10:30
Last Modified:24 Apr 2024 20:13

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