The paper presents a new method for determining the degree of coherence of superposing plane linearly polarized waves
converging at the angle of 900. The spatial modulation of polarization, which causes the spatial modulation of the
averaged values of the Poynting vector, presets the modulation of the volume energy density. Such an inhomogeneous
optical field can affect nanosize particles, randomly caught in this field. It is shown that the maximum velocity of
“trapping” the particles into the regions of maximum averaged values of the Poynting vector determines the degree of
coherence of interacting waves.
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C. Y. Zenkova ; Mikhailo Gorsky ; Iryna V. Soltys and Pavel O. Angelsky
Using inhomogeneity in light energy distribution for estimating the degree of coherence of superposing waves
", Proc. SPIE 8411, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VI, 841108 (November 1, 2012); doi:10.1117/12.965530; http://dx.doi.org/10.1117/12.965530