Longitudinal Forces on a Spherical Dielectric Particle Exerted by a Truncated Bessel Beam in the Ray Optics Regime

Autor(es)

Justino da Silva Arantes, Pedro Paulo ; Ambrosio, Leonardo Andre ; IEEE

• Tipo de documento: Artigo Científico
• Fonte: 2017 SBMO/IEEE MTT-S INTERNATIONAL MICROWAVE AND OPTOELECTRONICS CONFERENCE (IMOC); v. N/A, p. 5-pg., 2017-01-01.

Resumo

A first theoretical and numerical treatment of longitudinal forces in an extended geometrical optics model exerted by a truncated Bessel beam (TBB) on a spherical dielectric particle is presented in this work. To describe the TBB, we use a method for spatial beam shaping to describe truncated beams with simplicity and total analyticity in the paraxial approximation, which utilizes a discrete superposition of scalar Bessel Gauss beams. We present numerical examples of longitudinal forces that a TBB exerts on a scatterer and argue about the limitations of this method. We also briefly discuss about further possible analysis that can be done with TBB and other truncated beams. (AU)

• Processo FAPESP: 14/04867-1 - Ondas não-difrativas, frozen waves e feixes resistentes à atenuação e à difração para aplicações milimétricas e micrométricas
• Beneficiário: Leonardo Andre Ambrosio
• Modalidade de apoio: Auxílio à Pesquisa - Regular