The fractional Brownian motion property of the atmospheric refraction index

DARIO GABRIEL PEREZ , M. Garavaglia

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper we inspected which properties the refraction index inherits from the turbulent atmosphere. Because it does not affect the velocity field and evolve under a diffusion equation it is found to be a passive scalar field. So it inherits the stochastic properties of the velocity field. We observed this behavior from the wandering of a laser beam that travels through air in turbulent motion, these deviations are found to be proportional to the refraction index.

Original languageEnglish
Pages (from-to)503-505
Number of pages3
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4419
DOIs
StatePublished - 1 Jan 2001

Keywords

  • Atmospheric optics
  • Fractional Brownian motion
  • Lightwave propagation

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