Lidar signature from bubbles in the sea | Zendy

James H. Churnside | Zendy

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Lidar signature from bubbles in the sea

Author(s) -

James H. Churnside

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.008294

Subject(s) - optics , bubble , lidar , materials science , scattering , backscatter (email) , attenuation coefficient , mie scattering , coating , void (composites) , light scattering , volume fraction , physics , mechanics , composite material , telecommunications , computer science , wireless

The lidar signature from a collection of bubbles is proportional to the volume backscatter coefficient at a scattering angle of 180 degrees . This quantity, calculated using a combination of geometric optics and diffraction, is proportional to the void fraction of the bubbles in the water for any bubble size distribution. The constant of proportionality is 233 m(-1) sr(-1)for clean bubbles, slightly less for bubbles coated with a thin layer of organic material, and as large as 1445 m(-1) sr(-1) for a thick coating of protein.

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