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Angle-of-arrival variance behavior and scale filtering in indoor turbulence

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Autor Gulich D.
Autor Funes G.
Autor Zunino L.
Autor Perez D.G.
Autor Garavaglia M.
Fecha Ingreso 2014-04-05T00:18:09Z
Fecha Disponible 2014-04-05T00:18:09Z
Fecha en Repositorio 2014-04-04
dc.identifier 10.1117/12.723049
dc.description.abstract We analyze the angle-of-arrival variance of an expanded and collimated laser beam after it has traveled through indoor convective turbulence. A continuous position detector is set at the focus of a lens collecting the light coming from this collimated laser beam. The effect of the different turbulent scales, above the inner scale, is studied changing the diameter of a circular pupil before the lens. The experimental setup follows the design introduced by Masciadri and Vernin (Appl. Opt., Vol. 36, No 6, pp. 1320-1327, February 2004). Tilt data measurements are studied within the fractional Brownian motion model for the turbulent wave-front phase. In a previous paper the turbulent wave-front phase was modeled by using this stochastic process (J. Opt. Soc. Am. A, Vol. 21,No 10, pp. 1962-1969, October 2004). The Hurst exponents associated to the different degree of turbulence are obtained from the new D2H-2 dependence. en_US
dc.source Proceedings of SPIE - The International Society for Optical Engineering
Link Descarga dc.source.uri
Title dc.title Angle-of-arrival variance behavior and scale filtering in indoor turbulence en_US
Tipo dc.type Conference Paper
dc.description.keywords Atmospheric turbulence; Detectors; Lenses; Mathematical models; Optical filters; Fractional brownian motion; Hurst exponent; Non-Kolmogorov turbulence; Turbulent wave-front phase; Laser beams en_US

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