EPJ Web of Conferences
Volume 119, 2016The 27th International Laser Radar Conference (ILRC 27)
|Number of page(s)||3|
|Section||Poster Session (Advances in Lidar Technologies and Techniques III)|
|Published online||07 June 2016|
Raman Spectroscopic Measurements of Co2 Dissolved in Seawater for Laser Remote Sensing in Water
1 Institute for Laser Technology, 2-6 Yamadaoka, Suita, Osaka 565-0871, Japan
2 Institute of Laser Engineering, Osaka Univ., 2-6 Yamadaoka, Suita, Osaka 565-0871, Japan
* Email: firstname.lastname@example.org
Published online: 7 June 2016
We examined the applicability of Raman lidar technique as a laser remote sensing tool in water. The Raman technique has already been used successfully for measurements of CO2 gas dissolved in water and bubbles. Here, the effect of seawater on CO2 Raman spectra has been evaluated. A frequency doubled Q-switched Nd:YAG laser (532 nm) was irradiated to CO2 gas dissolved in a standard seawater. In seawater, the Raman signals at 984 and 1060-1180 cm-1 from SO42- were detected, which shows no spectral interference caused by Raman signals derived from CO2.
© Owned by the authors, published by EDP Sciences, 2016
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