Articles | Volume 15, issue 15
https://doi.org/10.5194/amt-15-4463-2022
https://doi.org/10.5194/amt-15-4463-2022
Research article
 | 
02 Aug 2022
Research article |  | 02 Aug 2022

Cavity ring-down spectroscopy of water vapor in the deep-blue region

Qing-Ying Yang, Eamon K. Conway, Hui Liang, Iouli E. Gordon, Yan Tan, and Shui-Ming Hu

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Short summary
Water vapor absorption in the near-UV region is essential to describe the energy budget of Earth; however, there is little spectroscopic information available. And accurate near-UV water absorption is also required in both ground-based observations and satellite missions for trace gas species. Here, we provide the high-resolution spectra of water vapor around 415 nm measured with cavity ring-down spectroscopy. These absorption lines have never been experimentally verified before.
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