Development of Field-deployable Diode-laser-based Water Vapor Dial
1 Graduate School of System Design, Tokyo Metropolitan University, Tokyo 191-0065, Japan
2 Meteorological Research Institute, Tsukuba, Ibaraki 305-0052, Japan
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Published online: 7 June 2016
In this paper, a field-deployable diode-laser-based differential absorption lidar (DIAL) has been developed for lower-tropospheric water vapor observation in Tokyo, Japan. A photoacoustic cell is used for spectroscopy experiment around absorption peaks of 829.022 nm and 829.054 nm. The water vapor density extracted from the observational data agrees with the referenced radiosonde data. Furthermore, we applied modulated pulse technique for DIAL transmitter. It enables DIAL to measure water vapor profile for both low and high altitude regions.
© Owned by the authors, published by EDP Sciences, 2016
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