• Chinese Optics Letters
  • Vol. 13, Issue Suppl., S21201 (2015)
Hui Xia*, Xiaoyun Wu, Hongjian Li, and Shaohua Tao
Author Affiliations
  • School of Physics and Electronics, Central South University, Changsha 410083, China
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    DOI: 10.3788/COL201513.S21201 Cite this Article Set citation alerts
    Hui Xia, Xiaoyun Wu, Hongjian Li, Shaohua Tao. Effective viscosity of concentrated colloidal suspensions measured by low-coherence fiber-optic dynamic light scattering[J]. Chinese Optics Letters, 2015, 13(Suppl.): S21201 Copy Citation Text show less
    Schematic diagram of the experimental setup. TC, temperature controller.
    Fig. 1. Schematic diagram of the experimental setup. TC, temperature controller.
    Amplitude power spectra of the singly backscattered light from suspension of particle with radius R=230 nm, ϕ=0.1, and L=40 μm, at T=281 K and T=292 K, respectively. Lines represent the Lorentzian fitting of the experimental data. Center frequency is shifted from 2 kHz to 0 Hz.
    Fig. 2. Amplitude power spectra of the singly backscattered light from suspension of particle with radius R=230nm, ϕ=0.1, and L=40μm, at T=281K and T=292K, respectively. Lines represent the Lorentzian fitting of the experimental data. Center frequency is shifted from 2 kHz to 0 Hz.
    Effective viscosity as a function of temperature T in colloidal suspensions. Solid line corresponds to Eq. (6).
    Fig. 3. Effective viscosity as a function of temperature T in colloidal suspensions. Solid line corresponds to Eq. (6).
    Effective viscosity as a function of the volume fraction ϕ in colloidal suspensions. Solid triangles, experimental results by low-coherence FODLS. Solid line corresponds to Eq. (6). Dashed line corresponds to Einstein’s equation.
    Fig. 4. Effective viscosity as a function of the volume fraction ϕ in colloidal suspensions. Solid triangles, experimental results by low-coherence FODLS. Solid line corresponds to Eq. (6). Dashed line corresponds to Einstein’s equation.
    Hui Xia, Xiaoyun Wu, Hongjian Li, Shaohua Tao. Effective viscosity of concentrated colloidal suspensions measured by low-coherence fiber-optic dynamic light scattering[J]. Chinese Optics Letters, 2015, 13(Suppl.): S21201
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