1 October 2007 Remote sensing capacity of Raman spectroscopy in identification of mineral and organic constituents
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Abstract
We present design, integration and test results for a field Raman spectrometer science payload, integrated into the Mars Analog Research and Technology (MARTE) drilling platform. During the drilling operation, the subsurface Raman spectroscopy inspection system has obtained signatures of organic and mineral compositions. We also performed ground truth studies using both this field unit and a laboratory micro Raman spectrometer equipped with multiple laser excitation wavelengths on series of field samples including Mojave rocks, Laguna Verde salty sediment and Rio Tinto topsoil. We have evaluated laser excitation conditions and optical probe designs for further improvement. We have demonstrated promising potential for Raman spectroscopy as a non-destructive in situ, high throughput, subsurface detection technique, as well as a desirable active remote sensing tool for future planetary and space missions.
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Bin Chen, Bin Chen, Carol Stoker, Carol Stoker, Nathalie Cabrol, Nathalie Cabrol, Christopher P. McKay, Christopher P. McKay, } "Remote sensing capacity of Raman spectroscopy in identification of mineral and organic constituents", Proc. SPIE 6694, Instruments, Methods, and Missions for Astrobiology X, 66941D (1 October 2007); doi: 10.1117/12.745959; https://doi.org/10.1117/12.745959
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