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  • 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
  • (Optica Publishing Group, 2013),
  • paper CH_2_5

Application of a shaped, divergent Laser Beam for the optical Measurement of the Size and Density of ambient Particulate Matter

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Abstract

In optical particle detection systems the size of particles can easily be determined, e.g. from the scattered light, when the refractive index of the particle is known [1]. However, no information on the particle density or mass can be obtained. This information is especially interesting as environmental safety standards still consider the particle mass only. In our work we show a new method to measure particle size and mass based on a shaped, divergent laser beam using the inertia-dependent particle movement inside an optical measurement chamber.

© 2013 IEEE

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