High sensitivity CW-cavity ring down spe
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S. Kassi; K.F. Song; A. Campargue
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Article
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2009
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Elsevier Science
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English
⚖ 785 KB
The absorption spectrum of carbon dioxide in natural isotopic abundance has been investigated by CW-cavity ring down spectroscopy with a new setup based on fibred distributed feedback (DFB) laser diodes. By using a series of 25 DFB lasers, the CO 2 spectrum was recorded in the 7123-7793 cm À1 region