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Conferences > CLEO_SI > 2018 > STh1L > STh1L.5

Quantum cascade laser-based dual-comb spectroscopy in the mid-infrared

Jonas Westberg, Lukasz A. Sterczewski, Filippos Kapsalidis, Yves Bidaux, Johanna Wolf, Mattias Beck, Jérôme Faist, and Gerard Wysocki

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Abstract

We demonstrate sub-millisecond response time dual-comb spectroscopy using quantum cascade lasers by measurements of Bromomethane and Freon 134a around 7.7 µm. The system achieves a noise-equivalent absorption of <1×10−3 Hz−1/2 and an optical bandwidth of ~25 cm−1.

© 2018 The Author(s)

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