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Updated: May 28, 2026
Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
Published on: November 21, 2019
Optical field characteristics of nanofocusing by conical metal-coated dielectric probe
Kazuo Tanaka1, Kiyofumi Katayama, Masahiro Tanaka
1Department of Electronics and Computer Engineering, Gifu University, Yanagido 1-1,Gifu City 501-1193, Japan. tanakazu@.gifu-u.ac.jp
Abstract:
Nanofocusing of surface plasmon polariton by a conical metal-coated dielectric probe was investigated numerically using the three dimensional volume integral equation. The basic characteristics of the nanofocused optical fields generated by this probe were investigated in detail. The intensity distribution near the probe tip was found to be very sensitive to the shape of the probe tip. Enhanced local fields interfere near the tip for certain probe tip shapes.
