Impact of Residual Water Vapor on the Simultaneous Measurements of Trace CH<sub>4</sub> and N<sub>2</sub>O in Air with Cavity Ring-Down Spectroscopy

Impact of Residual Water Vapor on the Simultaneous Measurements of Trace CH<sub>4</sub> and N<sub>2</sub>O in Air with Cavity Ring-Down Spectroscopy

Methane (CH<sub>4</sub>) and nitrous oxide (N<sub>2</sub>O) are among the most important atmospheric greenhouse gases. A gas sensor based on a tunable 7.6 μm continuous-wave external-cavity mode-hop-free (EC-MHF) quantum cascade laser (from 1290 to 1350 cm<sup>−1</su...

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Bibliographic Details
Main Authors:	Qianhe Wei, Bincheng Li, Jing Wang, Binxing Zhao, Ping Yang
Format:	Article
Language:	English
Published:	MDPI AG 2021-02-01
Series:	Atmosphere
Subjects:	cavity ring-down spectroscopy trace gas detection residual water vapor drying
Online Access:	https://www.mdpi.com/2073-4433/12/2/221

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