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Investigation of MgCl, MgF, CaCl and CaF emission in LIBS for the quantification of chlorine and fluorine in Martian atmospheric conditions

Vogt, David and Schröder, Susanne and Rammelkamp, Kristin and Hansen, Peder Bagge and Kubitza, Simon and Hübers, Heinz-Wilhelm (2019) Investigation of MgCl, MgF, CaCl and CaF emission in LIBS for the quantification of chlorine and fluorine in Martian atmospheric conditions. In: Ninth International Conference on Mars. Ninth International Conference on Mars, 22.-25. Jul. 2019, Pasadena, USA.

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Abstract

Laser-Induced Breakdown Spectroscopy (LIBS) is an increasingly important tool in the exploration of Mars. The detection of Cl and F with LIBS has been a challenge due to their low-intensity emission lines. The detection via molecular emissions has been proposed as a way to enhance the level of detection for halogens. In this study, the suitability of molecular emissions of CaCl, CaF, MgCl, and MgF in LIBS spectra for the detection and quantification of Cl and F is investigated. Experiments are made in simulated Martian ambient conditions and numerical simulations are used to explain the observations. The CaCl and CaF emissions can lead to an improved detection while MgCl and MgF emissions are very weak and do not improve the limit of detection for these Cl and F.

Item URL in elib:https://elib.dlr.de/131204/
Document Type:Conference or Workshop Item (Poster)
Title:Investigation of MgCl, MgF, CaCl and CaF emission in LIBS for the quantification of chlorine and fluorine in Martian atmospheric conditions
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Vogt, DavidDavid.Vogt (at) dlr.deUNSPECIFIED
Schröder, SusanneSusanne.Schroeder (at) dlr.deUNSPECIFIED
Rammelkamp, KristinKristin.Rammelkamp (at) dlr.deUNSPECIFIED
Hansen, Peder BaggePederBagge.Hansen (at) dlr.deUNSPECIFIED
Kubitza, SimonSimon.Kubitza (at) dlr.deUNSPECIFIED
Hübers, Heinz-WilhelmHeinz-Wilhelm.Huebers (at) dlr.deUNSPECIFIED
Date:22 July 2019
Journal or Publication Title:Ninth International Conference on Mars
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Mars Spectroscopy Molecules Detection Quantification
Event Title:Ninth International Conference on Mars
Event Location:Pasadena, USA
Event Type:international Conference
Event Dates:22.-25. Jul. 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Vorhaben Robotischer Wissenschafts-Explorer, R - Vorhaben Optische Sensorik - Theorie, Kalibration, Verifikation
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems > Terahertz and Laser Spectroscopy
Deposited By: Vogt, David
Deposited On:26 Nov 2019 10:24
Last Modified:26 Nov 2019 10:24

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