The INDI Instrument: A Miniaturized Implementation of the DASH Technique for Measuring Upper Atmospheric Oxygen Winds
Whitepaper #267 in the Decadal Survey for Solar and Space Physics (Heliophysics) 2024-2033. Main topics: basic research. Additional topics: planetary ionospheres / upper atmospheres.
by Kenneth Marr, Christoph Englert, and John Harlander
Published onJul 31, 2023
The INDI Instrument: A Miniaturized Implementation of the DASH Technique for Measuring Upper Atmospheric Oxygen Winds
The INDI instrument has been designed to measure red-line (λ = 630.0 nm) oxygen emissions in the upper atmosphere with a small footprint that will fit in a 6U cubesat or smallsat. INDI uses a Doppler Asymmetric Spatially Heterodyned (DASH) interferometer to observe the wind-induced Doppler shift of thermospheric airglow emission to determine horizontal wind vectors versus altitude.
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