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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 15,
  • Issue 2,
  • pp. 020102-
  • (2017)

Optical and hygroscopic properties of Asian dust particles based on a horizontal Mie lidar: case study at Hefei, China

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Abstract

As an extension of the Mie lidar technique to measure the extinction coefficient of the surface particles, a horizontally pointing Mie lidar is used for determining the optical properties of Asian dust, which is an approach without knowing the actual lidar ratio. A long lasting dust event is observed based on this approach in May 2014. The “no dust,” “pure dust,” and “polluted dust” stage is observed during this event, and their optical and hygroscopic properties are discussed. Some new optical and hygroscopic features are observed, which benefit from the quantitative, multi-wavelength, and continuous measurement of the extinction related optical properties of dust particles.

© 2017 Chinese Laser Press

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