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espanolIn this work we show the results of, size distribution of water droplets measured in the lab, depolarization ratio, as well as extinction coefficient, of five lines from Ar laser and 632.8 nm of the He-Ne, when the beam laser pass through a fog chamber with different densities. The results obtained are in close agreement with those obtained in the literature. With the construction of a fog chamber, we could measure the angular width of the forward scattering lobule. We note that the best fit for the size distribution droplets was the generalized gamma function. Once obtained the value constants, of the gamma function, than better fitted the frequency histogram, we got the density number of droplets per volume unit. Although most studies have focused on the backscattering of light by different means, mostly clouds; however, the study of forward scattering lobule have been studied with great precision in many factors, such as the existence of single or multiple scattering and the amount that was performed. EnglishSe presentan los resultados de las mediciones en laboratorio de la distribucion del tamano de gotas de agua, la razon de despolarizacion, el ancho angular del lobulo de dispersion frontal; asi como el coeficiente de extincion de cinco diferentes lineas de un laser de Argon y una a 632.8 nm de un laser de He-Ne, cuando el haz laser pasa a traves de una camara de neblina de gotas de agua con diferentes densidades. Los resultados obtenidos estan en gran concordancia con los obtenidos en la literatura. Se observo que el mejor ajuste para la distribucion del tamano de las gotas, fue con la funcion gamma generalizada. Una vez que se obtuvieron el valor de las constantes, de la funcion gamma, que mejor ajustaron el histograma de frecuencia se obtuvo el numero de densidad de gotas por unidad de volumen. Aunque la mayoria de los estudios realizados, se han centrado en la retrodispersion de la luz por diferentes medios, principalmente nubes; sin embargo, el estudio del lobulo de dispersion frontal se han podido estudiar con extrema precision muchos factores, tales como la existencia de simple o multiple dispersion y la cantidad en que se llevo a cabo.

optica pura y aplicada/óptica pura y aplicada

Measurements of the forward and backward scattering lobules, in six different Ar and He-Ne laser lines, passing through fog with different densities and fitted with the Henyey-Greenstein phase function