Accurate dipole modeling of forces on a metallic nanoparticle with a larger radius than skin depth

Weilin Liu; Euan McLeod

doi:10.1364/OMA.2019.AM3E.4

Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)
OSA Technical Digest (Optica Publishing Group, 2019),
paper AM3E.4
•https://doi.org/10.1364/OMA.2019.AM3E.4

Accurate dipole modeling of forces on a metallic nanoparticle with a larger radius than skin depth

Weilin Liu and Euan McLeod

Optical Manipulation and Its Applications 2019

Tucson, Arizona United States
15–17 April 2019
ISBN: 978-1-943580-54-5

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W. Liu and E. McLeod, "Accurate dipole modeling of forces on a metallic nanoparticle with a larger radius than skin depth," in Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP), OSA Technical Digest (Optica Publishing Group, 2019), paper AM3E.4.

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Abstract

Light scattered by and optical forces on metal nanoparticles are widely calculated using a dipole model. Often, an effective volume based on the skin depth is used. We show that this effective volume reduces accuracy.

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