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Tunable diode laser absorption sensor for the simultaneous measurement of water film thickness, liquid- and vapor-phase temperature

โœ Scribed by H. Yang; D. Greszik; I. Wlokas; T. Dreier; C. Schulz


Publisher
Springer
Year
2011
Tongue
English
Weight
700 KB
Volume
104
Category
Article
ISSN
0721-7269

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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