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

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

Resultado de la investigación: Contribución a una conferenciaArtículo

2 Citas (Scopus)

Resumen

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.
Idioma originalInglés estadounidense
DOI
EstadoPublicada - 1 dic. 2006
Publicado de forma externa
EventoProceedings of SPIE - The International Society for Optical Engineering -
Duración: 1 ene. 2019 → …

Conferencia

ConferenciaProceedings of SPIE - The International Society for Optical Engineering
Período1/01/19 → …

Palabras clave

  • Fractional brownian motion
  • Hurst exponent
  • Non-Kolmogorov turbulence
  • Turbulent wave-front phase

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