Ghost imaging has attracted noteworthy interest and stimulated lots of studies, such as methods to improve imaging quality, and imaging through different circumstance. One can use the spatial correlation properties of fluctuating light fields (either thermal or entangled) to retrieve the information of the object via spatial intensity correlation measurements between two spatially correlated light beams (the reference beam and the test beam). Ghost imaging is a kind of nonlocal and indirect imaging technique. Recently, based on the idea of ghost imaging, we have proposed a kind of ghost scattering scheme to study light scattering with either scalar incoherent light fields or biphoton quantum states. Further development of novel light scattering techniques is important since it can provide new diagnostic methods in different research fields. Many other aspects of the application of light scattering also have been actively investigated, such as in particle characterization, material analysis, atmospheric optics, nanometer optics, condensed matter physics, physical chemistry, biomedicine, and astrophysics. Light scattering can be used to study a lot of phenomena related to the interaction of light waves with materials, and has been treated in Ref in great detail. © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement 1. We find under the condition of linear polarized incident beams the scalar ghost scattering results can be retrieved, while the deviation from linear polarization may significantly distort the electromagnetic ghost scattering results. When the incident beam belongs to the class of electromagnetic Gaussian Schell-model beams, we discuss the dependence of ghost scattering results on the parameters such as the coherence lengths, source widths, polarization amplitudes, and degree of coherence. We derive the expressions for the correlation of intensity fluctuations of the far-zone scattered fields and use them to study the properties of the scatterers. We generalize the theory of ghost scattering with scalar incoherent light sources to the case of stochastic electromagnetic beams under the first-order Born approximation.
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