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Conferences > ES > 2022 > ETu4H > ETu4H.6

QCL-based Cavity-Enhanced Absorption Spectroscopy of N2O at 4.5 μm

Min Yang, Zhen Wang, Qinxue Nie, and Wei Ren

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Abstract

We present a cavity-enhanced absorption sensor for ambient N2O detection. The Pound-Drever-Hall technique was implemented to lock a quantum cascade laser to a high-finesse cavity by directly modulating the laser injection current.

© 2022 The Author(s)

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