Optical Design and Engineering

Optical pulling force on a particle near the surface of a dielectric slab waveguide

[+] Author Affiliations
Nayan Kumar Paul, Brandon A. Kemp

Arkansas State University, College of Engineering, P.O. Box 1740, Jonesboro, Arkansas 72467, United States

Opt. Eng. 55(1), 015106 (Jan 27, 2016). doi:10.1117/1.OE.55.1.015106
History: Received September 3, 2015; Accepted December 28, 2015
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Abstract.  Optical forces on a Rayleigh particle near the surface of a dielectric slab waveguide are considered. A light wave of the lowest-order TE0 mode is used to excite the particle. The transverse and longitudinal forces acting on the particle are studied. The particle is always trapped near the surface of the slab, where the electric field intensity is high. The particle can be pushed away from or pulled toward the light source along the surface of the slab by tuning the frequency around a switching frequency. This phenomenon switches between scattering and gradient forces near the switching frequency of the dielectric slab waveguide.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Nayan Kumar Paul and Brandon A. Kemp
"Optical pulling force on a particle near the surface of a dielectric slab waveguide", Opt. Eng. 55(1), 015106 (Jan 27, 2016). ; http://dx.doi.org/10.1117/1.OE.55.1.015106


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