Spatial distribution of the total field of a spherical scatterer

Papoff, Francesco and Kou, Hu-feng (2008) Spatial distribution of the total field of a spherical scatterer. Opto-Electronic Engineering, 35 (10). pp. 137-144.

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To better understand the characteristics of photonic jets which are generated at the shadow side surfaces of cylindrical or spherical scatterer with their diameters much larger than the wavelength, we used the rigorous Mie theory, with the software Matlab 7.1, to calculate the spatial distribution of the near-field external and internal electromagnetic field of a single spherical scatterer. The numerical errors of the boundary condition are checked and the basic properties of photonic jets outside the spheres in the linearly polarized case, namely the magnitude and location of the intensity peak and the decay length, are discussed. Two distinctive intensity peaks inside the sphere are also analyzed. Besides, the influence of the radius and the refractive index of the sphere on the total field are determined, and explanations are proposed.


Papoff, Francesco ORCID logoORCID: and Kou, Hu-feng;