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A reconfigurable mid-infrared dual-comb spectrometer for point and remote chemical sensing

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Abstract

We present a QCL-based mid-IR dual-comb spectrometer that can be automatically reconfigured between two sensing modalities: an extractive point sensing and a remote retroreflector-based sensing. A proof-of-concept field demonstration presents its adaptability to different sensing scenarios.

© 2021 The Author(s)

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