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Conferences > ES > 2020 > EM1C > EM1C.6

High-Resolution and Gapless Dual Comb Spectroscopy with Current-Tuned Quantum Cascade Lasers for Environmental Applications

Andreas Hugi, Michele Gianella, Akshay Nataraj, Béla Tuzson, Pierre Jouy, Filippos Kapsalidis, Mattias Beck, Markus Mangold, Jérôme Faist, and Lukas Emmenegger

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Abstract

Dual-comb spectrometers based on QCLs offer a unique tool for environmental sensing. We present high-resolution absorption and dispersion spectra covering 55 cm-' of methane and time-resolved spectroscopy of combustion diagnostics, stopped-flow reaction monitoring and photochemistiy.

© 2020 The Author(s)

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