Influence of Sub-Wavelength Spherical Particle Center Offset on Spectral Density Distribution of Scattered Evanescent Waves

Feinan Chen; Jingjing Chen; Jun Qi

doi:10.3788/AOS201737.1029002

Journals >Acta Optica Sinica >Volume 37 >Issue 10 >Page 1029002 > Article

Acta Optica Sinica
Vol. 37, Issue 10, 1029002 (2017)

Influence of Sub-Wavelength Spherical Particle Center Offset on Spectral Density Distribution of Scattered Evanescent Waves

Feinan Chen¹, Jingjing Chen^2、*, and Jun Qi³

Author Affiliations

¹ Key Laboratory of General Optical Calibration and Characterization Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China

² School of Instrument Science and Opto-electronic Engineering, Hefei University of Technology, Hefei, Anhui 230009, China

³ Institute of Applied Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China

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DOI: 10.3788/AOS201737.1029002 Cite this Article Set citation alerts

Feinan Chen, Jingjing Chen, Jun Qi. Influence of Sub-Wavelength Spherical Particle Center Offset on Spectral Density Distribution of Scattered Evanescent Waves[J]. Acta Optica Sinica, 2017, 37(10): 1029002 Copy Citation Text

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Schematic of distribution of spherical scattering body with center offset. (a) Particle with center offset; (b) scattering potential distribution in x direction for M=1; (c) scattering potential distribution in x direction for M=6

Fig. 1. Schematic of distribution of spherical scattering body with center offset. (a) Particle with center offset; (b) scattering potential distribution in x direction for M=1; (c) scattering potential distribution in x direction for M=6

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Influences of position offsets and boundary conditions of spherical scattering particles on spectral densities of evanescent waves with increase of propagation distance. (a) M=1, ρ=0; (b) M=5, ρ=0; (c) M=1, ρ=0.5σ; (d) M=5, ρ=0.5σ

Fig. 2. Influences of position offsets and boundary conditions of spherical scattering particles on spectral densities of evanescent waves with increase of propagation distance. (a) M=1, ρ=0; (b) M=5, ρ=0; (c) M=1, ρ=0.5σ; (d) M=5, ρ=0.5σ

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Fig. 3. Influence of position offset of spherical particles on transverse spectral density distributions at different propagation distances when M=1. (a) z=0.1λ; (b) z=0.2λ; (c) z=0.3λ; (d) z=0.5λ

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Fig. 4. Influence of position offset of spherical particles on transverse spectral density distributions at different propagation distances when M=5. (a) z=0.1λ; (b) z=0.2λ; (c) z=0.3λ; (d) z=0.5λ

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