29 August 2008 Longitudinal force and torque exerted on a circular waveguide by rotating eigenmodes
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Abstract
It is demonstrated that waveguide eigenmodes with a rotating phase may exert a longitudinal force, positive or negative, as well as a torque on the guiding structure or part of it. A general formulation of the linear and angular momentum currents flowing in the waveguide is given. Several examples are considered, including a lossy dielectric cylinder bounded inside a hollow waveguide, and a lossy dielectric fiber. The results of this study may be used for a novel type of light driven rotating machines.
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Amit Mizrahi, Moshe Horowitz, Levi Schächter, "Longitudinal force and torque exerted on a circular waveguide by rotating eigenmodes", Proc. SPIE 7038, Optical Trapping and Optical Micromanipulation V, 70381U (29 August 2008); doi: 10.1117/12.794556; https://doi.org/10.1117/12.794556
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