Radiation force exerted on subwavelenth particles near a nanoaperture

Kenji Okamoto; Satoshi Kawata

doi:10.1117/12.347828

7 May 1999 Radiation force exerted on subwavelenth particles near a nanoaperture

Kenji Okamoto, Satoshi Kawata

Proceedings Volume 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99); (1999) https://doi.org/10.1117/12.347828
Event: Optical Engineering for Sensing and Nanotechnology (ICOSN '99), 1999, Yokohama, Japan

Abstract

We investigate the possibility of optical trapping by evanescent photons localized near a subwavelength aperture. The radiation force exerted on a dielectric sphere near the aperture is numerically analyzed, and the result shows that the force on the sphere is attractive to the aperture. It is also found that the magnitude of the radiation force is larger than those of two other forces, the gravity and the force due to thermal fluctuation in water.

Citation Download Citation

Kenji Okamoto and Satoshi Kawata "Radiation force exerted on subwavelenth particles near a nanoaperture", Proc. SPIE 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99), (7 May 1999); https://doi.org/10.1117/12.347828

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