Sensitive H_2 Detection Using a New Technique of Photoacoustic Raman Spectroscopy
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概要
- 論文の詳細を見る
A new technique of photoacoustic Raman spectroscopy (PARS) is proposed and demonstrated for the detection of trace gas molecules in the atmosphere. No tunable laser is required in the proposed method. Only a fixed-wavelength pulsed laser is used as a light source, and a Raman shifter, filled with the same gas as that to be detected, automatically generates the Raman-shifted radiation required for the detection by PARS. In the detection of trace H_2 gas in the atmospheric pressure mixture with N_2, the detection limit of 3 ppm (3×10^<-6> in partial pressure) was obtained using a Q-switched, frequency-doubled Nd:YAG laser.
- 社団法人応用物理学会の論文
- 1997-09-15
著者
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興 雄司
九州大学大学院システム情報科学研究院
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MAEDA Mitsuo
Department of Electrical Engineering,Kyushu University
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Ogawa Takashi
Departments Of Cardiology Tokyo Medical University
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Abe Yoshiteru
Hiroshima Research And Development Center Mitsubishi Heavy Industries Ltd.
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Abe Yoshiteru
Department Of Physics Biology And Informatics Faculty Of Science Yamaguchi University
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Abe Yoshiteru
Department Of Cardiology Shimada City Hospital
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OKI Yuji
Department of Electronic Device Engineering, Graduate School of Information Science and Electrical E
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Oki Yuji
Department Of Agricultural Chemistry University Of Osaka Prefecture
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Maeda Mitsuo
Department Of Electrical Engineering Faculty Of Engineering Kyushu University
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KAWADA Noriyuki
Mitsubishi Heavy Industry
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Ogawa Takashi
Department Of Electronic Device Engineering Graduate School Of Information Science And Electrical En
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Ogawa Takashi
Department of Chemistry, College of General Education, The University of Tokyo
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