6 papers · 1 filter
Generalization of the coupled dipole method to periodic structures
Patrick C. Chaumet, Adel Rahmani, Garnett W. Bryant
We present a generalization of the coupled dipole method to the scattering of light by arbitrary periodic structures. This new formulation of the coupled dipole method relies on th…
Optical Trapping and Manipulation of Nano-objects with an Apertureless Probe
Patrick C. Chaumet, Adel Rahmani, Manuel Nieto-Vesperinas
We propose a novel way to trap and manipulate nano-objects above a dielectric substrate using an apertureless near-field probe. A combination of evanescent illumination and light s…
Optical binding of particles with or without the presence of a flat dielectric surface
P. C. Chaumet, M. Nieto-Vesperinas
Optical fields can induce forces between microscopic objects, thus giving rise to new structures of matter. We study theoretically these optical forces between two spheres, either…
Electromagnetic force on a metallic particle in presence of a dielectric surface
P. C. Chaumet, M. Nieto-Vesperinas
By using a method, previously established to calculate electromagnetic fields, we compute the force of light upon a metallic particle. This procedure is based on both Maxwell's Str…
Coupled Dipole Method Determination of the Electromagnetic Force on a Particle over a Flat Dielectric Substrate
P. C. Chaumet, M. Nieto-Vesperinas
We present a theory to compute the force due to light upon a particle on a dielectric plane by the Coupled Dipole Method (CDM). We show that, with this procedure, two equivalent wa…
Selective nanomanipulation using optical forces
Patrick C. Chaumet, Adel Rahmani, Manuel Nieto-Vesperinas
We present a detailed theoretical study of the recent proposal for selective nanomanipulation of nanometric particles above a substrate using near-field optical forces [Chaumet {\i…