29 October 2014 Amplitude and phase of single nanoparticle calculated using finite-difference time-domain method
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Abstract
In this work, we present a model to calculate the electric amplitude and phase field distribution of single nanoparticle by using finite-difference time-domain (FDTD) method. We model the light-nanoparticle interaction by using a liner polarization light to illuminate the single nanoparticle through immersion oil and glass substrate. The illumination is set as a cone of plane waves limited by the aperture of the objective. The scattering field summarized on a single detector is amplified by heterodyne interference with a reference light. The amplitude and phase distribution of particles with different diameters ranging from 50 nm to 2 micron are calculated.
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Xin Hong, Xin Hong, Huan Liu, Huan Liu, "Amplitude and phase of single nanoparticle calculated using finite-difference time-domain method", Proc. SPIE 9273, Optoelectronic Imaging and Multimedia Technology III, 92732H (29 October 2014); doi: 10.1117/12.2071326; https://doi.org/10.1117/12.2071326
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