Simulation analysis of evolution of hot-images induced bycoplanar multi-scatterers |
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| Authors: | Peng Tao Zhao Jian-Lin Li Dong Ye Zhi-Jun and Xie Liang-Ping |
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| Affiliation: | Institute of Optical Information Science and Technology, Shaanxi Key Laboratory of Optical Information Technology, School of Science, Northwestern Polytechnical University, Xi'an 710072, China |
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| Abstract: | Based on the diffraction theory model for hot-image formation, the
evolution of hot-images induced by multi-scatterers located in
the same plane perpendicular to the propagation axis is numerically
simulated. The simulation results show that hot-images induced
by coplanar multi-scatterers are also coplanar no matter whether
they exist simultaneously or severally. However, if they exist
simultaneously the peak intensity of the primary hot-images is
weaker than if they exist severally. The unequal competition
for energy between the scattered beams from the scatterers leads to
the fact that part of the corresponding hot-images are relatively
enhanced and the others are restrained. The results show that the
hot-images of certain scatterers become stronger when any of these
parameters, i.e. amplitude modulation coefficient, phase modulation
coefficient and size of the surrounding scatterer, decrease. |
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| Keywords: | hot-image small-scale
self-focusing optical damage scatterer |
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