Compact laser difference-frequency spectrometer for multicomponent trace gas detection |
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| Authors: | KP Petrov RF Curl FK Tittel |
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| Institution: | (1) Rice Quantum Institute, Rice University, 6100 Main, Houston, TX 77005, USA (Fax: +1-713/524-5237, E-mail: fkt@rice.edu), US |
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| Abstract: | 2 O), carbon dioxide (CO2), and sulfur dioxide (SO2). Real-time detection of CO, N2O, and CO2 was performed in open air over a path length of 5 to 18 m. The feasibility of DFG spectroscopic measurement of the 13C/12C and 18O/17O/16O isotopic ratios in atmospheric carbon dioxide was also investigated. We report what to our knowledge is the first simultaneous
spectroscopic measurement of all three isotopes of oxygen in ambient CO2.
Received: 14 August 1997/Revised version: 3 November 1997 |
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| Keywords: | PACS: 07:65 33 00 42 60 42 65 42 80 |
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