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Transport properties of random media composed of core-shell spheres

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Abstract

With the energy-density coherent potential approximation method, a series of calculations concerning the contribution from the morphology and dispersion of random media composed of core-shell spheres on the transport properties of random media are conducted in terms of the scattering-cross-section efficiency factor, mean free path, velocity of electromagnetic energy, and diffusion coefficient. It is found that the core layer introduces more complicated resonant modes which lead to diverse possibilities to sharply decrease the transport of light within random media.

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Acknowledgements

This work is supported in part by the National Science and Technology Major Project of the Ministry of Science and Technology of China under Grant No. 2011ZX02402, the National High Technology R&D Program of China (863 Program) under Grant No. 2012AA040406, and the Open Funding provided by State Key Laboratory of Transient Optics and Photonics under Grant No. SKLST201111.

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Authors and Affiliations

  1. Shanghai Engineering Center for Ultra-precision Optical Manufacturing, Department of Optical Science and Engineering, Fudan University, Shanghai, 200433, China

    Yuchen Xu, Hao Zhang, Xiangchao Zhang, Yongqiang Shen, Heyuan Zhu & Min Xu

  2. State Key Laboratory of Transient Optics and Photonics, Chinese Academy of Sciences, Xi’an, 710119, China

    Hao Zhang & Ming Lei

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  1. Yuchen Xu
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  2. Hao Zhang
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  3. Xiangchao Zhang
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  7. Min Xu
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Correspondence to Hao Zhang.

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Xu, Y., Zhang, H., Zhang, X. et al. Transport properties of random media composed of core-shell spheres. Appl. Phys. A 114, 1223–1231 (2014). https://doi.org/10.1007/s00339-013-7862-5

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