| Cavity enhanced absorption spectroscopy for N_2O detection at 2.86 μm using a continuous tunable color center laser |
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| 引用本文： | 李少成,于清旭.Cavity enhanced absorption spectroscopy for N_2O detection at 2.86 μm using a continuous tunable color center laser[J].Chinese Optics Letters,2003,1(6). |
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| 作者姓名： | 李少成 于清旭 |
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| 作者单位： | Department of Physics，Dalian University of Technology，Dalian 116024，Department of Physics，Dalian University of Technology，Dalian 116024，Life Science Trace Gas Exchange Facility，Department of Molecular and Laser Physics，University of Nijmegen，6525 ED Nijmegen，The Netherlands，Life Science Trace Gas Exchange Facility，Department of Molecular and Laser Physics，University of Nijmegen，6525 ED Nijmegen，The Netherlands，Life Science Trace Gas Exchange Facility，Department of Molecular and Laser Physics，University of Nijmegen，6525 ED Nijmegen，The Netherlands |
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| 基金项目： | This work was supported by the Doctoral Scientific Research Fund of Education Ministry of China(1999014106) |
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| 摘 要： | The cavity enhanced absorption technique is applied to N2O detection around 2.86 μm using a continuous-wave color center laser. A high-finesse triangular ring cavity is used in this technology. Transmission through the cavity is obtained by jittering the cavity-length with a piezo on one of the cavity mirrors. A minimum detectable absorption coefficient of 2 × 10-6 cm-1 is achieved with a mirror reflectivity of 99.24%, corresponding to a N2O detection limit of 600 parts per billion.
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Cavity enhanced absorption spectroscopy for N2O detection at 2.86μm using a continuous tunable color center laser |
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| Maarten van Herpen,Sacco te Lintel Hekkert,Frans J.M.Harren.Cavity enhanced absorption spectroscopy for N2O detection at 2.86μm using a continuous tunable color center laser[J].中国光学快报(英文版),2003,1(6). |
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| Authors: | Maarten van Herpen Sacco te Lintel Hekkert Frans JMHarren |
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| Abstract: | The cavity enhanced absorption technique is applied to N2O detection around 2.86 μm using a continuouswave color center laser. A high-finesse triangular ring cavity is used in this technology. Transmission through the cavity is obtained by jittering the cavity-length with a piezo on one of the cavity mirrors.A minimum detectable absorption coefficient of 2 × 10-6 cm-1 is achieved with a mirror reflectivity of 99.24%, corresponding to a N2O detection limit of 600 parts per billion. |
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