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Detection of water vapor and some gases using a semiconductor laser | ||
| Journal of Education and Science | ||
| Article 22, Volume 19, Issue 3, 2007, Pages 143-155 PDF (0 K) | ||
| DOI: 10.33899/edusj.2007.51329 | ||
| Authors | ||
| Ammar Zaker; Mozahem Azzawi | ||
| Abstract | ||
| Abstract A laser sensor was designed in this work in order to detect water vapour and some chosen gases for the enviromented pollution or in the field of meteorology . The gases that had been studied were , , and . The results had been pointed out that the gas gave the lowest attenuation on laser radiation , while the gas the largest attenuation . we were able to detect the of an amount (23.5) part in athousant of volume when passing through the gas chamber in per second . | ||
| Keywords | ||
| water vapor; semiconductor laser | ||
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