Article (Scientific journals)
Raman spectroscopy on Mars: identification of geological and bio-geological signatures in Martian analogues using miniaturized Raman spectrometers
Hutchinson, Ian B.; Ingley, Richard; Edwards, Howell G. M. et al.
2014In Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Peer reviewed
 

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Abstract :
[en] The first Raman spectrometers to be used forin situ analysis of planetary material will be launched as part of powerful, rover-based analytical laboratories within the next 6 years. There are a number of significant challenges associated with building spectrometers for space applications, including limited volume, power and mass budgets, the need to operate in harsh environments and the need to operate independently and intelligently for long periods of time (due to communication limitations). Here, we give an overview of the technical capabilities of the Raman instruments planned for future planetary missions and give a review of the preparatory work being pursued to ensure that such instruments are operated successfully and optimally. This includes analysis of extremophile samples containing pigments associated with biological processes, synthetic materials which incorporate biological material within a mineral matrix, planetary analogues containing low levels of reduced carbon and samples coated with desert varnish that incorporate both geo-markers and biomarkers. We discuss the scientific importance of each sample type and the challenges using portable/flight-prototype instrumentation. We also report on technical development work undertaken to enable the next generation of Raman instruments to reach higher levels of sensitivity and operational efficiency.
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Author, co-author :
Hutchinson, Ian B.;  University of Leicester > Department of Physics and Astronomy
Ingley, Richard;  University of Leicester > Department of Physics and Astronomy
Edwards, Howell G. M.;  University of Leicester > Department of Physics and Astronomy
Harris, Liam V.;  University of Leicester > Department of Physics and Astronomy
McHugh, Melissa;  University of Leicester > Department of Physics and Astronomy
Malherbe, Cédric ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie analytique inorganique
Parnell, J.;  University of Aberdeen > Department of Geology & Petroleum Geology
Language :
English
Title :
Raman spectroscopy on Mars: identification of geological and bio-geological signatures in Martian analogues using miniaturized Raman spectrometers
Publication date :
2014
Journal title :
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Peer reviewed :
Peer reviewed
Available on ORBi :
since 08 December 2014

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