Frequency-Domain Measurement of Cavity Ring-Down Spectroscopy
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概要
- 論文の詳細を見る
We have recorded the transmission spectrum of an optical cavity absorption cell filled with methane gas using a tunable continuous-wave light source in the mid-infrared region. To determine the absorption strength of the gas, we have measured the linewidth of the cavity fringe. This method corresponds to frequency-domain measurements of cavity ring-down spectroscopy (CRDS) because the linewidth is the Fourier transform of the photon lifetime from which the absorption strength is derived in CRDS. The absorption strengths determined from the present linewidth measurements indicate excellent agreements with both those derived from the transmittance measurements and those calculated from line parameters listed in the HITRAN 2004 database.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-03-15
著者
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Yoshida Naohiro
Departement Of Cardiology Kanazawa Cardiovascular Hospital
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Gao Xiaoming
Department Of Physics Faculty Of Science And Technology Keio University
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Anzai Kenji
Department Of Physics Faculty Of Science And Technology Keio University
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Sasada Hiroyuki
Department Of Physics Faculty Of Science And Technology Keio University
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Yoshida Naohiro
Department Of Environmental Science And Technology Interdisciplinary Graduate School Of Science And
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Xiaoming Gao
Department of Physics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku
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Xiaoming Gao
Department of Physics, Faculty of Science and Technology, Keio University
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Anzai Kenji
Department of Chemical Engineering, Shizuoka University
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