Highly sensitive tunable diode laser absorption spectroscopy of CO2 around 1.53 μm

被引：0
|
作者：
Liu, Yong [1 ]
Li, Baosheng [1 ]
Zhai, Yufeng [1 ]
Wang, An [1 ]
机构：
[1] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Hefei 230031, Peoples R China
来源：
OPTICA APPLICATA | 2006年 / 36卷 / 01期
关键词：
wavelength modulation; diode lasers; absorption spectroscopy;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The absolute absorption spectrum intensities of carbon dioxide sample have been recorded with a tunable diode laser spectrometer in the spectral range 6506-6520 cm(-1), which is suitable for the in situ sensing of carbon dioxide in the lower stratosphere, and were studied using a commercial telecommunication-type diode laser. The intensity of the weakest line we detected in this experiment is 9.116 x 10(-27) cm(-1)/(molecule-cm(-2)) at a pressure of 0.35 torr, and the corresponding absorption is 1.96 x 10(-6) with SNR of 2.67.
引用
收藏
页码：15 / 22
页数：8
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