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18 November 2014 Size-dependent amplitude and phase distribution under a high NA objective
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The interactions between light and sub-wavelength sized dielectric particles have been paid more attentions especially in biotechnology and photonics. Base on Mie scattering method, we calculate the electrical field distribution scattered by a single dielectric particle which is focused by a high numerical aperture (NA) objective. The theoretical result indicates a size dependent amplitude and phase distribution, which agrees well with the experimental measurement. This method provides a way to evaluate the particles size down to the range of less than diffraction limitation.
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Xin Hong and Huan Liu "Size-dependent amplitude and phase distribution under a high NA objective", Proc. SPIE 9268, Optics in Health Care and Biomedical Optics VI, 92680E (18 November 2014);

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