Vol. 11, issue 10, article # 1

Veretennikov V.V. Determination of the instrumental function in measurements of small-angle scattering phase functions. // Atmospheric and oceanic optics. 1998. V. 11. No. 10. P. 889-893.
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Abstract:

An exact analytical solution of the problem on determining the instrumental function from measurement data on scattering phase function is obtained in a small-angle approximation taking into account finite angular dimensions of a light source and a receiver. It is shown that the instrumental function can be described in terms of the integral of a product of Bessel functions. A method is proposed for representing instrumental function by elementary functions. The influence of the instrumental function on the accuracy of measurements of small-angle scattering phase functions is being discussed for the case of varying particle size.

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