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Analysis of geological samples by laser-induced breakdown spectroscopy at low atmospheric pressures

Pavlov, S. G. and Schröder, Susanne and Jessberger, E.K. and Hübers, H.-W. (2011) Analysis of geological samples by laser-induced breakdown spectroscopy at low atmospheric pressures. EPSC-DPS 2011, 02.–07. Oct. 2011, Nantes, France.

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Official URL: http://meetingorganizer.copernicus.org/EPSC-DPS2011/EPSC-DPS2011-809.pdf

Abstract

Several future space missions to planets, moons and asteroids in the solar system consider landers equip-ped with a laser-induced breakdown spectroscopy (LIBS) instrument. This technique provides an in-situ elemental analysis of all major and many trace elements on surfaces of the solar system bodies by identification of particular atomic transitions in emission spectra of laser-induced plasmas. Excitation and evolution of the plasma depends strongly on the environmental pressure. Therefore, the capability of LIBS is studied for each individual space mission. We focus on LIBS at ultra-high vacuum for explora-tion of solar system bodies with thin atmospheres and demonstrate its usefulness at a pressure >1 mPa and with a laser excitation energy >1 mJ.

Document Type:Conference or Workshop Item (Poster)
Title:Analysis of geological samples by laser-induced breakdown spectroscopy at low atmospheric pressures
Authors:
AuthorsInstitution or Email of Authors
Pavlov, S. G.Sergeij.Pavlov@dlr.de
Schröder, Susannesusanne.schroeder@dlr.de
Jessberger, E.K.Institute for Planetology, University of Münster, Germany
Hübers, H.-W.Heinz-Wilhelm.Huebers@dlr.de
Date:2011
Status:Published
Keywords:LIBS planetary missions
Event Title:EPSC-DPS 2011
Event Location:Nantes, France
Event Type:international Conference
Event Dates:02.–07. Oct. 2011
Organizer:EPSC
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Exploration des Sonnensystems (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Terahertz and Infrared Sensors
Deposited By: Dr. Sergey Pavlov
Deposited On:10 Jan 2012 10:46
Last Modified:12 Dec 2013 21:31

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