NASA NTRS · 20220012160
Dragonfly mass spectrometer titan environment optical damage testing
Abstract
The Dragonfly Mass Spectrometer (DraMS) being developed at NASA’s Goddard Space Flight Center will use a solid-state 266-nm pulsed Nd:YAG laser perform compositional analysis on the surface of Titan. Due to the high fluence of the focused pulse energy on the laser’s beam steering unit (BSU) and the mass spectrometer window, the damage threshold of these optics in a Titan atmosphere needed to be characterized. This paper details the test setup and the successful demonstration of testing the highest fluence optics for the expected mission duration of 2 million laser pulses in a Titan-relevant atmosphere.
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Matt Mullin, D. Barry Coyle, Melissa Trainer, Paul Stysley. Dragonfly mass spectrometer titan environment optical damage testing. https://ntrs.nasa.gov/citations/20220012160
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