title: Optical nanotrapping using cloaking metamaterial.
abstract: We study the electromagnetic behavior of spherical semishell structures that have cloaking material properties proposed by Pendry, Schurig, and Smith [Science 312, 1780 (2006)]. We use three-dimensional full-wave time-harmonic field analysis to evaluate the field and dipolar force distribution produced by these structures in free-space under plane wave illumination. We show that the optical force in proximity to these structures is suitable for active and size-selective manipulation and trapping of neutral nanoscale particles.
authors.affiliation: The Institute for Lasers, Photonics and Biophotonics, State University of New York at Buffalo, Buffalo, New York 14260, USA. efurlani@buffalo.edu
authors.forename: Edward P
authors.initials: EP
authors.lastname: Furlani
authors.forename: Alexander
authors.initials: A
authors.lastname: Baev