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Measurements of angle-of-arrival fluctuations over an 11.8km urban path

  • Harbin Institute of Technology
  • Qiqihar University

Research output: Contribution to journalArticlepeer-review

Abstract

A laser transmission experiment is conducted to examine atmospheric turbulence-induced angle-of-arrival fluctuations over an 11.8km urban path. The variance of fluctuations, probability density function, power spectrum, and Fried coherence length are investigated based on the analysis of the experimental data collected in each season of a year, respectively. In addition, the daily variations characteristic of path-averaged optical turbulence intensity Cn2 is also studied. At last, the aperture averaging theory is validated. It is anticipated that this work is helpful to the research of optical wave atmospheric propagation and the design of free-space laser optics communication systems.

Original languageEnglish
Pages (from-to)91-99
Number of pages9
JournalLaser and Particle Beams
Volume28
Issue number1
DOIs
StatePublished - Mar 2010

Keywords

  • Atmospheric optics
  • Atmospheric propagation
  • Atmospheric turbulence
  • Free space laser optics communication
  • Laser beam transmission

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