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Radiation pressure cross sections and optical forces over negative refractive index spherical particles by ordinary Bessel beams |
Applied Optics, Vol. 50, Issue 22, pp. 4489-4498 (2011)
http://dx.doi.org/10.1364/AO.50.004489
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Abstract
When impinged by an arbitrary laser beam, lossless and homogeneous negative refractive index (NRI) spherical particles refract and reflect light in an unusual way, giving rise to different scattered and internal fields when compared to their equivalent positive refractive index particles. In the generalized Lorenz–Mie theory, the scattered fields are dependent upon the Mie scattering coefficients, whose values must reflect the metamaterial behavior of an NRI scatterer, thus leading to new optical properties such as force and torque. In this way, this work is devoted to the analysis of both radial and longitudinal optical forces exerted on lossless and simple NRI particles by zero-order Bessel beams, revealing how the force profiles are changed whenever the refractive index becomes negative.
© 2011 Optical Society of America
OCIS Codes
(080.0080) Geometric optics : Geometric optics
(290.4020) Scattering : Mie theory
(350.3618) Other areas of optics : Left-handed materials
(160.3918) Materials : Metamaterials
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
ToC Category:
Geometric Optics
History
Original Manuscript: April 4, 2011
Revised Manuscript: June 15, 2011
Manuscript Accepted: June 16, 2011
Published: July 27, 2011
Virtual Issues
Vol. 6, Iss. 9 Virtual Journal for Biomedical Optics
Citation
Leonardo A. Ambrosio and Hugo E. Hernández-Figueroa, "Radiation pressure cross sections and optical forces over negative refractive index spherical particles by ordinary Bessel beams," Appl. Opt. 50, 4489-4498 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-22-4489
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