Articles | Volume 13, issue 5
Atmos. Meas. Tech., 13, 2425–2439, 2020
https://doi.org/10.5194/amt-13-2425-2020
Atmos. Meas. Tech., 13, 2425–2439, 2020
https://doi.org/10.5194/amt-13-2425-2020

Research article 15 May 2020

Research article | 15 May 2020

Single-photon laser-induced fluorescence detection of nitric oxide at sub-parts-per-trillion mixing ratios

Andrew W. Rollins et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Andrew Rollins on behalf of the Authors (04 Apr 2020)  Author's response    Manuscript
ED: Publish as is (07 Apr 2020) by Hendrik Fuchs
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Short summary
Nitric oxide (NO) is a key atmospheric constituent controlling atmospheric oxidation chemistry and tropospheric ozone formation. Existing instrumentation capable of quantifying NO at very low mixing ratios is uncommon and typically relies on chemiluminescence. We describe and demonstrate a new laser-based technique (LIF) with significant practical and technical advantages to CL. This technique is expected to allow for advances in understanding of atmospheric radical chemistry.