Angle-of-arrival variance's dependence on the aperture size for indoor convective turbulence

Damián Gulich, Gustavo Funes, Luciano Zunino*, Darío G. Pérez, Mario Garavaglia

*Autor correspondiente de este trabajo

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

14 Citas (Scopus)


We analyze the angle-of-arrival variance of an expanded and collimated laser beam once it has traveled through an indoor convective turbulence. A continuous position detector is set at the focus of a lens collecting the laser beam. The effect of the different turbulent scales, between the inner and the outer scales, is studied by changing the diameter of a circular pupil before the collector lens. The experimental optical setup follows the design introduced by Masciadri and Vernin [Appl. Opt., 36(6) (1997) 1320]. Tilt data measurements are studied using the fractional Brownian motion model for the turbulent wave-front phase introduced in a previous paper [Pérez et al., J. Opt. Soc. Am. A 21(10) (2004) 1962]. The Hurst exponents associated to different strengths of turbulence are obtained from the here proposed D2H-2 dependence.

Idioma originalInglés
Páginas (desde-hasta)241-246
Número de páginas6
PublicaciónOptics Communications
EstadoPublicada - 15 sep. 2007
Publicado de forma externa


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