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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 20 — Sep. 28, 2009
  • pp: 17772–17783

Influence of characteristics of micro-bubble clouds on backscatter lidar signal

Wei Li, Kecheng Yang, Min Xia, Jionghui Rao, and Wei Zhang  »View Author Affiliations

Optics Express, Vol. 17, Issue 20, pp. 17772-17783 (2009)

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Marine micro-bubbles are one of those important constituents that influence scattering characteristics of water column. Monte Carlo Based simulations show that a water entrained bubble cloud generate a characteristic backscatter of incident laser light [M. Xia, J. Opt. A: Pure Appl. Opt. 8, 350 (2006)]. This characteristic can be used to detect and localize bubble clouds, leading to wide ranging applications, especially in optical remote sensing. This paper describes tests of an underwater lidar system applied to detecting cloud of micro-bubbles. Laboratory experiments demonstrate that the system is capable of detecting bubbles ranging from diameter 10 μm ~200 μm, over a distance of 7-12m from the detector. The dependence of the lidar return signal on size distribution of bubbles, concentration, thickness and location of bubble clouds is studied and compared with simulation results.

© 2009 OSA

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(010.7340) Atmospheric and oceanic optics : Water
(010.1615) Atmospheric and oceanic optics : Clouds
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(010.1350) Atmospheric and oceanic optics : Backscattering

ToC Category:
Atmospheric and Oceanic Optics

Original Manuscript: July 2, 2009
Revised Manuscript: August 17, 2009
Manuscript Accepted: August 26, 2009
Published: September 18, 2009

Wei Li, Kecheng Yang, Min Xia, Jionghui Rao, and Wei Zhang, "Influence of characteristics of micro-bubble clouds on backscatter lidar signal," Opt. Express 17, 17772-17783 (2009)

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