RAMAN SPECTROSCOPY MEASUREMENT OF CH4 GAS AND CH4 DISSOLVED IN WATER FOR LASER REMOTE SENSING IN WATER

被引：3

作者：

Somekawa, Toshihiro ^{[1
]}

Fujita, Masayuki ^{[1
,2
]}

机构：

[1] Inst Laser Technol, Osaka, Japan

[2] Osaka Univ, Inst Laser Engn, Osaka, Japan

来源：

28TH INTERNATIONAL LASER RADAR CONFERENCE (ILRC 28) | 2018年 / 176卷

关键词：

D O I：

10.1051/epjconf/201817601021

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We examined the applicability of Raman spectroscopy as a laser remote sensing tool for monitoring CH4 in water. The Raman technique has already been used successfully for measurements of CO2 gas in water. In this paper, considering the spectral transmittance of water, third harmonics of Q-switched Nd:YAG laser at 355 nm (UV region) was used for detection of CH4 Raman signals. The Raman signal at 2892 cm(-1) from CH4 dissolved in water was detected at a tail of water Raman signal.

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页数：4

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