Topics in Particle and Dispersion Science

Near-field light enhancement in the intermediate regime at forward scattering

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In the intermediate scattering regime, dielectric scatterers with a real refractive index greater than that of the medium may produce scattered fields with magnitude much higher than that of the incident EM wave; such as metallic nanoparticles in the electrostatic regime (see Near-field light enhancement in the electrostatic regime). Wavelength-sized dielectric particles can produce such high field amplification close to their shadow-side surface in the direction of propagation of the incident light, i.e. at the forward scattering (for example, Chen Z et al 2004). The spatial location and extent of the EM field enhancement can be controlled by the particle size, shape, and refractive index (Mendes MJ et al 2010).

Related topics: Near-field light enhancement in the electrostatic regime, Near-field scattering in photovoltaics, A scattering particle as an antenna.

CITATION: Mendes M. J. 2010. Near-field light enhancement in the intermediate regime at forward scattering (www.tpdsci.com/Tpc/ScaNfEnhInt.php). In: Top. Part. Disp. Sci. (www.tpdsci.com).

HISTORY: Published: 03-Dec-2010 Modified: 04-Dec-2010 Peer-reviewed: 30-Nov-2010

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