Abstract
Optical tweezing system arises from light-matter interactions which provide light driving force capable of directing a particle to a potential well and to maintain it in a stable position [1]. Recently it has been shown that the use of plasmonic structures makes it possible to overcome the problems of diffraction limit in dielectric since these structures are able to concentrate light in deep subwavelength volumes. The excitation of localized surface plasmons (LSPs) at metal nanoparticles (MNPs) can significantly amplify the electromagnetic field in the vicinity of the nanoantennas, providing an optical gradient force for near-field optical trapping. In such a way, by introducing plasmonic resonators inside tweezing systems, very deep and narrow potential well can be tailored to achieve optical tweezing down to subwavelength particles [2].
© 2019 IEEE
PDF ArticleMore Like This
Aurore Ecarnot, Giovanni Magno, Xavier Leroux, Béatrice Dagens, and Vy Yam
FM4Q.4 CLEO: QELS_Fundamental Science (CLEO:FS) 2020
Theodoros D. Bouloumis, Xue Han, Domna Kotsifaki, Viet Giang Truong, and Síle Nic Chormaic
FM4F.2 Frontiers in Optics (FiO) 2019
Aurore Ecarnot, Giovanni Magno, Vy Yam, Philippe Gogol, Robert Mégy, and Béatrice Dagens
AS2G.3 Asia Communications and Photonics Conference (ACP) 2016