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Proceedings Paper

Investigation of transmission of light through rain
Author(s): Jiabi Chen; Zhonghua Hu; Dawei Zhang; Songlin Zhuang
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Paper Abstract

Transmission property of light through rain is discussed in this paper. Instead of the scattering methods usually used in predicting rainfall attenuation, the principle of the blotting-out effect of raindrops on light transmission is introduced. Based on this principle and an accurate raindrop size distribution, an initial model for predicting the attenuation due to rain is first set up. However, when it rains heavily, this initial model is not accurate enough because the overlap effect between the projected circles of raindrops is not considered. Therefore, by considering the blotting-out and overlap effect of raindrops together with an accurate raindrop size distribution, a more accurate model for predicting the attenuation due to rain is finally derived. Numerical simulations show that this model is in good agreement with experimental results.

Paper Details

Date Published: 19 August 2008
PDF: 9 pages
Proc. SPIE 7091, Free-Space Laser Communications VIII, 70910V (19 August 2008); doi: 10.1117/12.794668
Show Author Affiliations
Jiabi Chen, Univ. of Shanghai for Science and Technology (China)
Zhonghua Hu, Univ. of Shanghai for Science and Technology (China)
Dawei Zhang, Univ. of Shanghai for Science and Technology (China)
Songlin Zhuang, Univ. of Shanghai for Science and Technology (China)


Published in SPIE Proceedings Vol. 7091:
Free-Space Laser Communications VIII
Arun K. Majumdar; Christopher C. Davis, Editor(s)

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