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Spatial resolved temperature measurement based on absorption spectroscopy using a single tunable diode laser

โœ Scribed by Xilong Yu; Fei Li; Lihong Chen; Xinyu Zhang


Publisher
The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of Sciences
Year
2009
Tongue
English
Weight
242 KB
Volume
26
Category
Article
ISSN
0567-7718

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A sensor for measurements of temperature
โœ Tingdong Cai; Hui Jia; Guishi Wang; Weidong Chen; Xiaoming Gao ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 1016 KB

Gas temperature and water concentration are measured by a tunable diode laser sensor using a single laser near 1.4 m. Temperature is determined from the ratio of absorption of a H 2 O line pair near 7079.176 and 7079.855 cm -1 , which are chosen using some selected criteria. The second harmonic dete