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1 Optica Applicata

1 Gao X.
1 Huang W.
1 Ning L.
1 Pei S.
1 Shao J.
1 Yang Y.
1 Yuan Y.
1 Zhang W.

1 2005

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Highly sensitive dode laser absorption measurements of CO2 near 1.57 um at room temperature

Shao J., Gao X., Zhang W., Yuan Y., Ning L., Yang Y., Pei S., Huang W.

Optica Applicata

2005

Vol. 35, nr 1

49-57

The absolute absorption spectrum intensities of carbon dioxide sample have been recorded with a tunable diode laser spectrometer in the spectral range 6350-6364 cm -1, which is suitable for the in situ sensing of carbon dioxide in the lower stratosphere using a commercial telecommunication type diode laser. It was found that the typical uncertainty of experimental line intensities is about 1% compared with the values listed in the HITRAN database, ehich are calulated by direct numerical diagonalization (DND).