Based on Bethe’s complete Green function, we found an analytic expression for the diffracted field produced by a circular nanoaperture. The normalized intensity and the optical forces properties in the near field regime are discussed.
© 2006 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1220) Diffraction and gratings : Apertures
(260.0260) Physical optics : Physical optics
(260.1960) Physical optics : Diffraction theory
J. M. Merlo, E. A. Martí Panameño, and M. L. Arroyo Carrasco, "Nanoapertures Near Field Properties and Conditions for the Nanoparticles Optical Trapping," in Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2006), paper JWD79.
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