Mithun Pal, Michael Stuhr, Nancy Faßheber, A. Petersen, F. Greiner, G. Friedrichs
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Mid-IR frequency modulation spectroscopy for sensing C2H2 in a dusty plasma
We have developed a 3 μm mid-IR continuous wave OPO-based two-tone frequency modulation laser absorption technique. The optical spectrometer was characterized and deployed for investigating C2H2 concentration dynamics in a particle forming dusty plasma environment.