Circular dichroism in magneto-optical forces
Entity
UAM. Departamento de Física de MaterialesPublisher
OpticaDate
2022-08-01Citation
10.1364/OE.464252
Optics Express 30.16 (2022): 28668 - 28685
ISSN
1094-4087 (online)DOI
10.1364/OE.464252Funded by
Comunidad de Madrid (SI1/PJI/2019-00052); Ministerio de Ciencia e Innovación (CEX2018-000805-M, PGC2018-095777-B-C21, PGC2018-095777-B-C22, PID2019-109905GA-C22)Project
Gobierno de España. CEX2018-000805-M; Gobierno de España. PGC2018-095777-B-C21; Gobierno de España. PGC2018-095777-B-C22; Comunidad de Madrid. SI1/PJI/2019-00052Editor's Version
https://doi.org/10.1364/OE.464252Subjects
Magneto-Optical; Gradient Force; Optical Force; Scattering Cross Section; FísicaRights
© 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing AgreementAbstract
In this article we use an exact method to resolve the fields scattered by a spherical magneto-optical particle and calculate the optical forces exerted on it. The resulting force and the contributing components, i.e. magneto-optical gradient force and magneto-optical extinction force, are presented in an analytical form. We also derive analytical expressions for the scattering and extinction cross sections of a magneto-optical particle, expressions which intuitively demonstrate the effect of circular dichroism in magneto-optical scattering and forces. Finally, we demonstrate that the magneto-optical extinction force is the result of circular dichroism in magneto-optical scattering. We show that it is possible to completely cancel the scattering in the forward or in the backward direction, when the incident field is composed of a circularly-polarized reflected beam. Moreover, the directional scattering is interrelated to the direction of the force exerted on the particle
Files in this item
Google Scholar:Edelstein, Shulamit
-
Garcia-Martin, Antonio
-
Serena, Pedro A.
-
Marqués Ponce, Manuel Ignacio
This item appears in the following Collection(s)
Related items
Showing items related by title, author, creator and subject.
-
Magneto-optical kerr effect in resonant subwavelength nanowire gratings
Marinchio, Hugues; Carminati, Rémi; García-Martín, Antonio; Sáenz, Juan José Ose
2014-01-09