Reciprocity relations for scattering from quasi-homogeneous anisotropic media |
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| Authors: | Xinyue Du Daomu Zhao |
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| Affiliation: | 1. Department of Physics, Hangzhou Normal University, Hangzhou 310036, China;2. Department of Physics, Zhejiang University, Hangzhou 310027, China;1. Laboratoire d''Ingénierie des Systèmes Automatisés (LISA), Université d''Angers, 62 avenue Notre Dame du Lac, 49000 ANGERS, France;2. Moltech Anjou, UMR CNRS 6200, Université d''Angers, 2 boulevard Lavoisier, 49000 ANGERS, France;1. Max Planck Institute for Physics of Complex Systems, D-01187 Dresden, Germany;2. Department of Physics, Faculty of Sciences, Ibn Zohr University, PO Box 8106, 80006 Agadir, Morocco;3. Theoretical Physics Group, Faculty of Sciences, Chouaïb Doukkali University, PO Box 20, 24000 El Jadida, Morocco;1. Composites Research Laboratory, Faculty of New Sciences & Technologies, University of Tehran, North Karegar St., Tehran 14399-55941, Iran;2. Faculty of Mechanical Engineering, Semnan University, Semnan, Iran;3. Mechanical Engineering Department, Islamic Azad University, Semnan Branch, Semnan, Iran |
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| Abstract: | Valid within the accuracy of the first-order Born approximation, we obtain the analytical expressions of the three-dimensional spatial Fourier transforms, which show the reciprocity relations for the scattering of a polychromatic plane wave incident upon a Gaussian-correlated, quasi-homogeneous, anisotropic scatterer. We find that the spectral degree of coherence of the scattered field is only related with the effective radius of the scatterer and the normalized spectral density of the scattered field is only related with the correlation length of the scatterer. |
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