Rapid Assessment of High Value Samples: A Miniature AOTF-LDTOF Spectrometer Suite for Planetary Surfaces

Mathematics – Logic

Scientific paper

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Scientific paper

We discuss the development of a miniature nearinfrared point spectrometer, operating in the 1.7-4 μm region, based on acousto-optic tunable filter (AOTF) technology. This instrument may be used to screen and corroborate analyses of samples containing organic biomarkers or mineralogical signatures suggestive of extant or extinct organic material collected in situ from planetary surfaces. The AOTF point spectrometer will be paired with a laser desorption time-offlight (LDTOF) mass spectrometer and will prescreen samples for evidence of volatile or refractory organics before the laser desorption and subsequent mass spectrometer measurement. We present laboratory analysis of geological samples of known astrobiological importance, with and without organic biomarkers.

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