Laser photoacoustic sensor for air toxicity measurements

@inproceedings{Prasad2012LaserPS,
  title={Laser photoacoustic sensor for air toxicity measurements},
  author={C. Prasad and J. Lei and W. Shi and G. Li and I. Dunayevskiy and C. Patel},
  booktitle={Other Conferences},
  year={2012}
}
US EPA's Clean Air Act lists 187 hazardous air pollutants (HAP) or airborne toxics that are considered especially harmful to health, and hence the measurement of their concentration is of great importance. Numerous sensor systems have been reported for measuring these toxic gases and vapors. However, most of these sensors are specific to a single gas or able to measure only a few of them. Thus a sensor capable of measuring many of the toxic gases simultaneously is desirable. Laser photoacoustic… Expand
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Quantum cascade lasers: 25 years after the first demonstration
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