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Telecommunications and Radio Engineering
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

ISSN Imprimir: 0040-2508
ISSN En Línea: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v72.i14.60
pages 1339-1348

DIFFRACTION OF COHERENT RADIATION BY SURFACES HAVING NON‐GAUSSIAN STATISTICS OF ROUGHNESS

M. I. Dzyubenko
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine; V. Karazin National University of Kharkiv, 4 Svobody Sq., Kharkiv 61022, Ukraine; Kharkiv National University of Radio Electronics, 14 Nauka Ave, Kharkiv 61166, Ukraine
S. N. Kolpakov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine
I. V. Popov
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine
A. A. Priyemko
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine

SINOPSIS

The character of scattering surface is determined by distribution of diffraction maximums obtained by interaction of diffraction field and a reflecting plane. However, the question of forming of the speckle fields observed as a result of interaction of coherent radiation with the diffusely scattering surfaces described by non‐Gaussian distribution of roughness is studied insufficiently. In this paper distribution of amplitude of the speckle fields appearing as a result of diffraction of laser radiation on the mechanically finished surfaces is investigated experimentally and theoretically. Mathematical simulation of the speckle fields the amplitude distribution of which are not subject to the Gaussian statistics has been carried out. It is proven that speckle‐fields formed as a result of interaction between coherent radiation and rough surfaces are not absolutely random and contain information about the degree of organization that characterizes the object.


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